Bookkeeping, invoicing, and the operational core of a business.
Everything to run the numbers of a small business — free bookkeeping and profit calculators plus the spreadsheets that keep income, expenses, and clients on track.
SubcategoryRun clean books, track clients and deadlines, and give clients templates that hold up — free financial calculators plus bookkeeping and P&L spreadsheets.
Expanding into: Invoicing, Expense Tracking, Cash Flow, Payroll.
Run the numbers in your browser — no signup.
Estimate self-employment tax, set-aside, and quarterly payments
Free toolenter your real revenue and split it into Profit, Owner's Pay, Tax, and Operating Expenses using Mike Michalowicz's target allocation percentages
Free toolenter revenue and cost to instantly see gross profit, profit margin %, and markup %
Free toolenter your fixed costs, price, and variable cost per sale to see how many units and how much revenue you need to break even
Free toolenter your assets and liabilities to see total assets, total liabilities, owner's equity, and your current ratio instantly
Free toolenter your business miles and the IRS standard mileage rate to see your deduction and roughly the tax it saves you
Google Sheets & Excel, each with a free phone version.
Categories, formulas, and a profit dashboard — a bookkeeping system you'll actually keep up with, no accounting software required.
Small BusinessYou can be profitable on paper and still bounce a payment. Cash flow is the timing of money in and out — here's how to see it coming.
Small BusinessA P&L is just Revenue − Costs = Profit over a period. Here are the exact rows and formulas to build one in Google Sheets or Excel — and how to read what it tells you.
Small BusinessCategorizing spending right is what turns a pile of receipts into numbers you can use. Here's a clean, practical category list and what goes where.
Self-EmployedThe system that turns tax season from a lost weekend into a 10-minute export — track expenses as you go, sorted by category.
Small BusinessThe exact tabs, columns and three formulas that turn a blank sheet into a profit tracker you'll actually keep — no accounting software required.
See all 30 categories, or jump into the full catalog of 250+ templates.
All categories →Subscribe and we'll email you our Simple Monthly Budget (Google Sheets & Excel, plus a phone version) — free. Then the occasional short note on pricing, bookkeeping, and the money side of a small business. No spam — unsubscribe anytime.