Find the cost per square foot from a total price and area — or estimate a job's total from a per-foot rate.
Useful for rent, construction, flooring, and remodels. For leases, check whether the quoted rate is annual or monthly. Estimate only.
Dividing total cost by area gives a per-foot rate you can compare across bids, spaces, or projects — the great equalizer for construction estimates and commercial rent alike.
Cost per sq ft = total cost ÷ area
Often yes — commercial leases frequently quote an annual rate per square foot, so divide by 12 for the monthly figure (shown above).
Convert both to cost per square foot. It normalizes for size so you're comparing rates, not just totals.
Related: square footage calculator · home affordability calculator · real estate ROI calculator · all free calculators.
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Browse all 300+ free calculators →Yes. The Cost Per Square Foot Calculator is completely free, runs in your browser, and never asks for a signup, email, or download. Enter your numbers and the result updates instantly.
It uses standard formulas and recalculates the moment you change a value, so the math is exact for the inputs you enter. Treat the result as a reliable planning estimate; for decisions with legal or tax consequences, confirm the figures with a qualified professional.
Yes. The calculator is mobile-friendly and works on any phone, tablet, or computer — there is no app to install and nothing to save.
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Last reviewed: September 2026. Free to use, no signup — Cost Per Square Foot Calculator by ToolWise Digital.
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