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Free calculators

Free business & money calculators.

173 calculators — price a job, find your break-even, size up a rental, estimate materials, or see your real payout after fees. Every one runs in your browser, free, no signup, each paired with a ready-made spreadsheet.

Pricing & profit

Pricing & profit calculators

Set prices and rates that actually make money — before you quote the job.

Free tool

Freelance Hourly Rate Calculator

enter your target take-home, billable hours, and expenses to find the hourly rate you actually need to charge

Free · instant · no signup
Free tool

Profit Margin Calculator

enter revenue and cost to instantly see gross profit, profit margin %, and markup %

Free · instant · no signup
Free tool

Markup Calculator

enter your cost and markup percentage to get the selling price, profit, and the resulting profit margin

Free · instant · no signup
Free tool

Cost-Plus Pricing Calculator

enter your unit cost and markup percentage to get the selling price, profit per unit, and margin

Free · instant · no signup
Free tool

Price Per Square Foot Calculator

enter total price and square footage to instantly see the price per square foot

Free · instant · no signup
Free tool

Sales Commission Calculator

enter sales, commission rate, and any base pay to see the commission earned and total pay

Free · instant · no signup
Free tool

Invoice Total Calculator

enter a subtotal, tax rate, and any discount to get the invoice total

Free · instant · no signup
Free tool

Late Fee Calculator

enter an invoice amount, monthly late fee rate, and months overdue to see the late fee and new total owed

Free · instant · no signup
Free tool

Revenue Growth Calculator

enter a previous and current period revenue to see the growth rate percentage and the dollar change

Free · instant · no signup
Free tool

Cash Flow Calculator

enter cash coming in and cash going out to see your net cash flow and cash-flow margin

Free · instant · no signup
Free tool

Gross Profit Calculator

enter revenue and cost of goods sold to get gross profit, gross margin percentage, and markup

Free · instant · no signup
Free tool

Break-Even Calculator

enter your fixed costs, price, and variable cost per sale to see how many units and how much revenue you need to break even

Free · instant · no signup
Free tool

Break-Even Units Calculator

enter fixed costs, price, and variable cost per unit to see how many units you must sell to break even, plus the break-even revenue

Free · instant · no signup
Free tool

Job Estimate & Quote Calculator

add materials, labor, and overhead, set your markup, and get the price to quote plus your profit and margin

Free · instant · no signup
Free tool

ROI Calculator

enter what you invested and what you got back to see net profit, ROI percentage, and annualized return

Free · instant · no signup
Free tool

Commission Calculator

enter a sale amount, commission rate, and number of sales to see your commission per sale and total earnings

Free · instant · no signup
Free tool

Markdown Calculator

enter an original price and markdown percent to get the sale price and savings, plus your margin after the markdown if you add cost

Free · instant · no signup
Free tool

Job Cost Calculator

add materials, labor, and other costs, set a target profit margin, and get the bid price and profit for a job

Free · instant · no signup
Free tool

Labor Cost Calculator

enter crew size, hours, and hourly rate plus a labor burden percentage to get the true cost of labor for a job

Free · instant · no signup
Free tool

Overhead & Profit Calculator

apply an overhead percentage and a profit percentage to a job's cost to get the price, the classic contractor O&P method

Free · instant · no signup
Free tool

Margin to Markup Calculator

convert a profit margin into the equivalent markup, and a markup into the equivalent margin

Free · instant · no signup
Free tool

Wholesale Price Calculator

set wholesale and retail (keystone) prices from your unit cost and target margins, with the markup at each step

Free · instant · no signup
Business metrics

Business metrics calculators

The numbers that tell you whether the business is really working.

Free tool

Customer Lifetime Value Calculator

enter average order, purchase frequency, retention, and margin to see what a customer is worth over their lifetime

Free · instant · no signup
Free tool

LTV:CAC Ratio Calculator

CAC ratio calculator: enter customer lifetime value and acquisition cost to see your LTV:CAC ratio and CAC payback signal

Free · instant · no signup
Free tool

Churn Rate Calculator

enter customers at the start and how many you lost to get your churn rate and retention rate

Free · instant · no signup
Free tool

MRR & ARR Calculator

enter subscribers and average revenue per user to get monthly and annual recurring revenue

Free · instant · no signup
Free tool

Average Order Value Calculator

divide total revenue by number of orders to get your AOV, a key ecommerce and retail metric

Free · instant · no signup
Free tool

Inventory Turnover Calculator

enter cost of goods sold and average inventory to get your turnover ratio and days inventory on hand

Free · instant · no signup
Free tool

Labor Cost Percentage Calculator

enter labor cost and revenue to see labor as a percentage of sales — a key health metric for service and food businesses

Free · instant · no signup
Free tool

Revenue Per Employee Calculator

enter annual revenue and headcount to see revenue per employee, a simple productivity benchmark

Free · instant · no signup
Free tool

Contribution Margin Calculator

find contribution margin per unit and as a ratio from price and variable cost, plus the break-even units to cover fixed costs

Free · instant · no signup
Free tool

Operating Margin Calculator

find operating margin from revenue and operating expenses, plus operating income and what's left per dollar of sales

Free · instant · no signup
Free tool

EBITDA Calculator

add back interest, taxes, depreciation, and amortization to net income to get EBITDA and the EBITDA margin

Free · instant · no signup
Free tool

Payback Period Calculator

find how long an investment takes to pay for itself from its cost and expected annual cash flow, with the ROI

Free · instant · no signup
Free tool

Sell-Through Rate Calculator

find what percent of received inventory sold in a period, plus units remaining and weeks of stock left at the current pace

Free · instant · no signup
Free tool

Current Ratio Calculator

divide current assets by current liabilities to measure short-term liquidity, with the working capital figure

Free · instant · no signup
Free tool

Quick Ratio Calculator

measure a business's ability to cover short-term liabilities with its most liquid assets, excluding inventory

Free · instant · no signup
Free tool

Debt-to-Equity Calculator

divide total liabilities by shareholder equity to gauge financial leverage and risk, with the debt ratio

Free · instant · no signup
Free tool

Return on Equity Calculator

divide net income by shareholder equity to see how efficiently a business turns owners' capital into profit

Free · instant · no signup
Free tool

Economic Order Quantity Calculator

find the order size that minimizes total inventory cost from annual demand, order cost, and holding cost

Free · instant · no signup
Free tool

Days Sales Outstanding Calculator

find the average number of days it takes to collect payment after a sale, from receivables and revenue

Free · instant · no signup
Free tool

Days Inventory Outstanding Calculator

find the average number of days inventory sits before it sells, from inventory value and COGS

Free · instant · no signup
Free tool

Working Capital Calculator

subtract current liabilities from current assets to measure the short-term financial cushion running the business day to day

Free · instant · no signup
Free tool

Cash Conversion Cycle Calculator

combine days inventory, days receivable, and days payable to find how long cash is tied up in operations

Free · instant · no signup
Free tool

P/E Ratio Calculator

divide share price by earnings per share to value a stock, with the earnings yield and PEG context

Free · instant · no signup
Marketing & ads

Marketing & ads calculators

Know what your reach, clicks, and customers really cost.

Free tool

Customer Acquisition Cost Calculator

enter your marketing spend and new customers to see your cost per customer, and how it compares to a first order

Free · instant · no signup
Free tool

ROAS Calculator

enter ad spend and revenue to see return on ad spend, profit after margin, and the break-even ROAS you need

Free · instant · no signup
Free tool

Conversion Rate Calculator

enter visitors and conversions to see your conversion rate, plus what each 1% improvement is worth in revenue

Free · instant · no signup
Free tool

CPM Calculator

enter ad spend and impressions to get CPM (cost per thousand impressions), or solve for spend or impressions

Free · instant · no signup
Free tool

CPC Calculator

enter ad spend and clicks to get your cost per click, plus click-through rate if you add impressions

Free · instant · no signup
Free tool

Email Marketing ROI Calculator

estimate revenue, ROI, and revenue per email from list size, open rate, click rate, conversion, and order value

Free · instant · no signup
Free tool

Cost Per Lead Calculator

find your cost per lead from ad spend and leads, plus cost per customer at your lead-to-sale conversion rate

Free · instant · no signup
Free tool

Engagement Rate Calculator

find your social media engagement rate by followers or by reach, from likes, comments, shares, and saves

Free · instant · no signup
Taxes & bookkeeping

Taxes & bookkeeping calculators

Know what to set aside and where the business stands.

Free tool

Income Tax Calculator

estimate your 2025 federal income tax, effective and marginal rate, and take-home from gross income and filing status

Free · instant · no signup
Free tool

Self-Employed Tax Calculator

Estimate self-employment tax, set-aside, and quarterly payments

Free · instant · no signup
Free tool

Self-Employment Tax Calculator

estimate your 15

Free · instant · no signup
Free tool

Time Card Calculator

total your weekly hours from daily hours worked, subtract breaks, split regular and overtime, and estimate gross pay

Free · instant · no signup
Free tool

Hours Calculator

enter a start time, end time, and break to see hours worked (in hours-and-minutes and decimal) plus pay

Free · instant · no signup
Free tool

Overtime Calculator

enter your hourly rate, regular hours, and overtime hours to see regular pay, overtime pay (time-and-a-half or double time), and total pay

Free · instant · no signup
Free tool

Time and a Half Calculator

enter your hourly rate to see your time-and-a-half (1

Free · instant · no signup
Free tool

Business Days Calculator

count the working days (Mon–Fri) between two dates, excluding weekends, with total days and weeks

Free · instant · no signup
Free tool

Capital Gains Tax Calculator

estimate federal long-term capital gains tax (0%, 15%, or 20%) from your gain, taxable income, and filing status

Free · instant · no signup
Free tool

Tax Bracket Calculator

find your 2025 federal marginal tax bracket and effective rate from taxable income and filing status

Free · instant · no signup
Free tool

Sales Tax Calculator

Free sales tax calculator — no sign-up, works with any US state's rate

Free · instant · no signup
Free tool

Take-Home Pay Calculator

Free take-home pay calculator — no sign-up, no email, updated for 2026

Free · instant · no signup
Free tool

Business Mileage Deduction Calculator

enter your business miles and the IRS standard mileage rate to see your deduction and roughly the tax it saves you

Free · instant · no signup
Free tool

Depreciation Calculator

enter asset cost, salvage value, and useful life to get annual depreciation and book value after any year

Free · instant · no signup
Free tool

Balance Sheet Calculator

enter your assets and liabilities to see total assets, total liabilities, owner's equity, and your current ratio instantly

Free · instant · no signup
Free tool

Profit First Calculator

enter your real revenue and split it into Profit, Owner's Pay, Tax, and Operating Expenses using Mike Michalowicz's target allocation percentages

Free · instant · no signup
Free tool

HSA Contribution Calculator

find your 2025 HSA contribution limit by coverage and age, room left after payroll contributions, and the estimated tax savings

Free · instant · no signup
Free tool

Gross-Up Calculator

find the gross amount needed so an employee nets a target take-home after taxes — for bonuses and reimbursements

Free · instant · no signup
Free tool

PTO Accrual Calculator

find how much paid time off you earn per pay period and per hour worked, from an annual PTO allowance

Free · instant · no signup
Free tool

VAT Calculator

Free VAT calculator — no sign-up, works with any VAT rate

Free · instant · no signup
Everyday money

Everyday money calculators

Quick everyday math — tips, discounts, pay, and percentages.

Free tool

Discount Calculator

enter a price and discount percentage to see the sale price and how much you save

Free · instant · no signup
Free tool

Percent Off Calculator

apply a discount to a price to get the sale price and amount saved, or find what percent off a sale represents

Free · instant · no signup
Free tool

Hourly to Salary Calculator

enter your hourly rate and hours to see your annual, monthly, and weekly pay

Free · instant · no signup
Free tool

Pay Raise Calculator

enter your current salary and a raise percentage to see your new salary and the increase per year, month, and paycheck

Free · instant · no signup
Free tool

Paycheck Calculator

turn an hourly wage and hours into gross pay per week, biweekly, semimonthly, month, and year, including overtime

Free · instant · no signup
Free tool

50/30/20 Budget Calculator

split your monthly take-home pay into needs (50%), wants (30%), and savings (20%), with custom percentages too

Free · instant · no signup
Free tool

APY Calculator

enter a nominal interest rate and compounding frequency to see the annual percentage yield (APY) and the interest earned on your balance

Free · instant · no signup
Free tool

Unit Price Calculator

enter the price and quantity of two items to see the price per unit of each and which is the better deal

Free · instant · no signup
Free tool

Overtime Pay Calculator

enter your hourly rate, regular hours, and overtime hours to get regular pay, overtime pay, and total gross

Free · instant · no signup
Free tool

Salary to Hourly Calculator

convert an annual salary into an hourly, weekly, and monthly rate based on your hours per week

Free · instant · no signup
Free tool

Subscription Cost Calculator

add up all your monthly subscriptions to see the real monthly and yearly total — and what cutting them could save

Free · instant · no signup
Free tool

Cost Per Use Calculator

divide an item's price by how many times you'll use it to judge whether a purchase is really worth it

Free · instant · no signup
Free tool

Late Payment Interest Calculator

work out the interest and late fee owed on an overdue invoice from the amount, annual rate, and days late

Free · instant · no signup
Mortgage & home buying

Mortgage & home buying calculators

The numbers behind buying a home — what you can afford, the payment, the down payment, and whether to buy or refinance.

Free tool

Home Affordability Calculator

enter your income, monthly debts, down payment, rate, and term to see the home price and monthly payment you can realistically afford (28/36 rule)

Free · instant · no signup
Free tool

Mortgage Payment Calculator

enter home price, down payment, rate, and term to see your monthly principal & interest, loan amount, and total interest paid

Free · instant · no signup
Free tool

Amortization Calculator

see your monthly payment and how much of your loan goes to interest vs principal over the life of the loan, plus total interest paid

Free · instant · no signup
Free tool

Down Payment Calculator

enter a home price and target percent to see your down payment, loan amount, and whether you'll likely owe PMI (under 20% down)

Free · instant · no signup
Free tool

Rent vs. Buy Calculator

compare the monthly cost of renting against owning (mortgage, taxes, insurance, maintenance) to see which comes out ahead for your situation

Free · instant · no signup
Free tool

Rent Affordability Calculator

enter your income and monthly debts to see how much rent you can afford using the 30% rule and the 3x-income guideline

Free · instant · no signup
Free tool

Refinance Calculator

compare your current payment to a new rate, see monthly savings, closing-cost break-even, and lifetime interest saved

Free · instant · no signup
Free tool

Debt-to-Income Ratio Calculator

add your monthly debts and income to see your DTI ratio and how lenders read it (under 36% is strong, 43% is a common ceiling)

Free · instant · no signup
Free tool

Home Equity Calculator

see your current equity and how much you could likely borrow via a HELOC or home equity loan at a given loan-to-value limit

Free · instant · no signup
Free tool

PMI Calculator

estimate monthly private mortgage insurance from your loan amount and home value, and see the balance where PMI can be removed

Free · instant · no signup
Free tool

Closing Cost Calculator

estimate a home buyer's closing costs as a percentage of the price, plus cash to close with your down payment

Free · instant · no signup
Free tool

Biweekly Mortgage Calculator

see how paying half your mortgage every two weeks shortens the loan and cuts total interest versus monthly payments

Free · instant · no signup
Free tool

Mortgage Payoff Calculator

see how an extra monthly principal payment shortens your loan and cuts total interest, with and without the extra

Free · instant · no signup
Free tool

HELOC Payment Calculator

estimate interest-only draw-period payments and the higher repayment-period payment once principal kicks in

Free · instant · no signup
Free tool

Mortgage Points Calculator

see the cost of buying discount points, the monthly savings, and how many months until the buydown pays for itself

Free · instant · no signup
Free tool

Home Sale Proceeds Calculator

estimate your net cash from selling a home after agent commission, closing costs, and paying off the mortgage

Free · instant · no signup
Free tool

Mortgage Recast Calculator

see your new lower monthly payment after applying a lump sum to principal and re-amortizing over the remaining term

Free · instant · no signup
Free tool

ARM Mortgage Calculator

compare the initial payment to the payment after the rate adjusts, and see the worst-case cap payment

Free · instant · no signup
Free tool

Home Equity Loan Calculator

find your available equity, how much you can borrow, and the fixed monthly payment on a home equity loan

Free · instant · no signup
Real estate & rentals

Real estate & rentals calculators

Run the numbers on a property before you buy — cash flow, returns, coverage, and payments.

Free tool

Rental Property Calculator

enter a deal and instantly see monthly cash flow, cash-on-cash return, cap rate, DSCR, and the 1% rule

Free · instant · no signup
Free tool

Real Estate ROI Calculator

enter price, down payment, rent, and expenses to see cash-on-cash return, cap rate, and monthly cash flow instantly

Free · instant · no signup
Free tool

DSCR Calculator

enter rental income, operating expenses, and your mortgage payment to see your debt service coverage ratio and whether it clears a lender's 1

Free · instant · no signup
Free tool

Cap Rate Calculator

divide net operating income by property price to get the capitalization rate, plus monthly NOI and gross rent multiplier

Free · instant · no signup
Free tool

Rental Yield Calculator

get gross and net rental yield from purchase price, annual rent, and costs — a quick read on a rental's income return

Free · instant · no signup
Free tool

Cash-on-Cash Return Calculator

divide annual pre-tax cash flow by cash invested to measure a leveraged rental's real return on your money

Free · instant · no signup
Free tool

1% Rule Calculator

check whether a rental's monthly rent is at least 1% of the purchase price — a fast first-pass screen for cash-flow potential

Free · instant · no signup
Free tool

Gross Rent Multiplier Calculator

divide property price by annual gross rent to quickly compare rental properties, with the implied years to gross payback

Free · instant · no signup
Free tool

Price-to-Rent Ratio Calculator

divide home price by annual rent to gauge whether an area favors buying or renting

Free · instant · no signup
Free tool

Net Effective Rent Calculator

find your true average monthly rent when a lease includes free months, plus what you actually pay in the paid months

Free · instant · no signup
Free tool

Rent Increase Calculator

find your new rent after a percentage increase, the monthly and annual dollar change, and the effective annual rate

Free · instant · no signup
Free tool

Moving Cost Calculator

estimate the cost of a move from home size and distance, comparing professional movers to a DIY truck rental

Free · instant · no signup
Retirement & investing

Retirement & investing calculators

Project long-term growth — retirement accounts, compounding, and what inflation does to it.

Free tool

401(k) Calculator

project your retirement balance from your contributions, employer match, and expected return

Free · instant · no signup
Free tool

Roth IRA Calculator

project your tax-free balance at retirement from annual contributions and expected return, and see total contributions vs

Free · instant · no signup
Free tool

Retirement Savings Calculator

enter your age, savings, monthly contribution, and expected return to project your balance at retirement

Free · instant · no signup
Free tool

Compound Interest Calculator

enter a starting amount, monthly contribution, rate, and years to see future value, total contributions, and interest earned

Free · instant · no signup
Free tool

Inflation Calculator

see what an amount of money will be worth in future years at a given inflation rate, and how much you'd need to keep the same buying power

Free · instant · no signup
Free tool

Future Value Calculator

find what a lump sum plus optional monthly contributions will grow to at a given rate over time — the time-value-of-money future value

Free · instant · no signup
Free tool

Present Value Calculator

discount a future amount back to today's dollars at a given rate — the time-value-of-money present value

Free · instant · no signup
Free tool

College Savings Calculator

project a 529 balance from current savings and monthly contributions, and compare it to your college cost goal

Free · instant · no signup
Free tool

Annuity Payout Calculator

enter a starting amount, rate, and length to see the regular payment it can provide, plus total paid and interest

Free · instant · no signup
Free tool

Rule of 72 Calculator

enter a rate of return to see roughly how many years it takes to double your money, with the exact figure too

Free · instant · no signup
Free tool

RMD Calculator

estimate your required minimum distribution from a traditional IRA or 401(k) using the IRS Uniform Lifetime Table for your age

Free · instant · no signup
Free tool

401(k) Match Calculator

see your employer's matching contribution, your total annual contribution, and whether you're leaving free money on the table

Free · instant · no signup
Free tool

401(k) Early Withdrawal Calculator

estimate the 10% penalty, income tax, and net cash you'd actually keep from cashing out before age 59½

Free · instant · no signup
Free tool

CAGR Calculator

find the compound annual growth rate between a starting and ending value over a number of years, plus total growth

Free · instant · no signup
Free tool

Dividend Yield Calculator

find a stock's dividend yield from its price and annual dividend, plus your annual income and yield on cost

Free · instant · no signup
Free tool

Dividend Reinvestment Calculator

project a holding's value with dividends reinvested and growing, versus taking the dividends as cash

Free · instant · no signup
Free tool

Dollar-Cost Averaging Calculator

project the value of investing a fixed amount every month at an expected return, with total contributions and growth

Free · instant · no signup
Free tool

Stock Profit Calculator

find your profit or loss, total return, and break-even price on a stock trade, including buy and sell commissions

Free · instant · no signup
Free tool

Stock Average Calculator

find your average cost per share after buying at two different prices, plus total shares, cost, and break-even

Free · instant · no signup
Free tool

Bond Yield Calculator

find a bond's current yield and approximate yield to maturity from its face value, price, coupon rate, and years to maturity

Free · instant · no signup
Free tool

Real Rate of Return Calculator

find your inflation-adjusted return from a nominal return and inflation rate, using the exact Fisher equation

Free · instant · no signup
Free tool

Future Salary Calculator

project your salary years into the future with annual raises, plus total earnings and inflation-adjusted value

Free · instant · no signup
Selling online

Selling online calculators

See what you really keep after the marketplace takes its cut.

Free tool

Etsy Fee Calculator

enter your price, shipping, and costs to see Etsy's listing, transaction, and payment fees, your real payout, and your actual profit

Free · instant · no signup
Free tool

Ecommerce Profit Calculator

enter your sale price, product cost, shipping, and marketplace fees to see net profit, profit margin, and ROI per sale

Free · instant · no signup
Saving, debt & loans

Saving, debt & loans calculators

Hit a savings goal, grow with compound interest, or get out of debt — with a number you can act on.

Free tool

Savings Goal Calculator

enter your target, what you've saved, your timeline, and interest rate to see exactly how much to set aside each month

Free · instant · no signup
Free tool

Sinking Fund Calculator

find how much to set aside each month to reach a planned expense by its due date, with or without interest

Free · instant · no signup
Free tool

Emergency Fund Calculator

enter your monthly expenses and target months of coverage to see your emergency fund goal and how far your current savings gets you

Free · instant · no signup
Free tool

Net Worth Calculator

enter your assets and liabilities to see your net worth and debt-to-asset ratio

Free · instant · no signup
Free tool

Loan Calculator

enter amount, interest rate, and term to get your monthly payment, total interest, and total cost

Free · instant · no signup
Free tool

Debt Payoff Calculator

enter your balance, interest rate, and monthly payment to see how many months until you're debt-free and how much interest you'll pay

Free · instant · no signup
Free tool

Credit Card Payoff Calculator

see how long it takes to pay off a card, the total interest, and how much time and interest an extra monthly payment saves

Free · instant · no signup
Free tool

Auto Loan Calculator

enter vehicle price, down payment, trade-in, rate, and term to see your monthly car payment, loan amount, and total interest

Free · instant · no signup
Free tool

Business Loan Calculator

enter amount, rate, and term to get your monthly payment, total interest, and total cost of a business loan

Free · instant · no signup
Free tool

Student Loan Calculator

see your monthly payment, total interest, and how much time and interest an extra monthly payment saves

Free · instant · no signup
Free tool

Car Affordability Calculator

enter a monthly payment budget, rate, term, and down payment to see the car price you can afford

Free · instant · no signup
Free tool

CD Calculator

enter a deposit, APY, and term to see your maturity value and total interest earned on a certificate of deposit

Free · instant · no signup
Free tool

Simple Interest Calculator

enter a principal, rate, and time to get the simple interest and total amount (I = P × r × t)

Free · instant · no signup
Free tool

Debt Consolidation Calculator

compare your current debts to a single consolidation loan and see the new payment and how much interest you'd save

Free · instant · no signup
Free tool

APR Calculator

enter a loan amount, fees, interest rate, and term to get the true annual percentage rate including fees

Free · instant · no signup
Free tool

Savings Withdrawal Calculator

see how many years a nest egg lasts at a given monthly withdrawal and interest rate, or the sustainable withdrawal

Free · instant · no signup
Free tool

Credit Utilization Calculator

find your credit utilization ratio from balances and limits, and how much to pay down to reach a target

Free · instant · no signup
Free tool

Loan Comparison Calculator

compare two loans side by side on monthly payment and total interest to see which really costs less

Free · instant · no signup
Free tool

Minimum Payment Calculator

see how long a credit card takes to pay off making only minimum payments, and the interest that costs you

Free · instant · no signup
Free tool

Down Payment Savings Calculator

find how much to save each month to reach your home down payment by a target date, including closing-cost cushion

Free · instant · no signup
Trades & construction

Trades & construction calculators

Estimate materials and price jobs — square footage, concrete, paint, tile, flooring, and more.

Free tool

Square Footage Calculator

enter length and width to get area in square feet and square yards, plus total material cost at a price per square foot

Free · instant · no signup
Free tool

Concrete Calculator

enter slab length, width, and thickness to get cubic yards, cubic feet, and the number of 60 lb or 80 lb bags of concrete needed

Free · instant · no signup
Free tool

Cost Per Square Foot Calculator

divide a total cost by area to get the price per square foot, or estimate a job's total from a rate

Free · instant · no signup
Free tool

Stud Calculator

enter wall length and stud spacing to get the number of studs and the linear feet of top and bottom plates needed

Free · instant · no signup
Financial independence & FIRE

Financial independence & FIRE calculators

Find your number, your savings rate, and how soon work becomes optional.

Free tool

FIRE Calculator

enter your annual expenses, savings, and savings rate to get your FIRE number and roughly how many years to financial independence

Free · instant · no signup
Free tool

Coast FIRE Calculator

see whether your current investments will grow to your retirement number on their own, without any more contributions

Free · instant · no signup
Free tool

Savings Rate Calculator

enter your take-home income and expenses to get your savings rate — the single biggest driver of how soon you reach financial independence

Free · instant · no signup
Free tool

Retirement Withdrawal Calculator

see the safe annual income from your portfolio (4% rule) and how many years it lasts at a chosen withdrawal amount

Free · instant · no signup
Free tool

Millionaire Calculator

see how many years of monthly investing it takes to reach $1 million, and what you'd need to save to get there by a target year

Free · instant · no signup
Unit converters

Unit converters calculators

Convert length, weight, volume, temperature, and more — instant and exact.

Free tool

Unit Converter

Convert length, weight, volume, area, temperature, speed, time, digital storage, energy, power, pressure, and cooking units

Free · instant · no signup
Free tool

Temperature Converter

convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly, with the exact conversion formulas

Free · instant · no signup
Business intelligence

Business intelligence calculators

Score your whole business and find the one thing to fix first.

Free tool

Business Health Check

Score your business and get your biggest opportunities to fix

Free · instant · no signup

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