Price Per Square Foot Calculator

Price per square foot calculator: divide a property price or build cost by area to compare cost per sq ft across homes or quotes. Free, private, no signup.

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Every figure above is calculated locally in your browser from the assumptions shown. No inputs are sent anywhere. See the methodology section below for the formulas used.
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Planning estimate only, not financial, tax, or legal advice. Verify assumptions and current rules before making decisions.

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What does this calculator estimate?

Price per square foot calculator: divide a property price or build cost by area to compare cost per sq ft across homes or quotes. Free, private, no signup.

Bar chart of five per-square-foot rates from worked examples
Definition alone swings the rate 10.7%, from $281.82 to $251.62
Transparent methodology

How this calculator works

Formula

Price per sq ft = price / area; inverse: area = price / rate.

Worked example

A $250,000 property at $138.89 per sq foot covers about 1,800 sq ft; invert the formula to size a budget.

Sources

Frequently asked questions

What is a price per square foot calculator and how does it work?

A price per square foot calculator is a free online tool that estimates the cost of a property or renovation by dividing the total price or budget by the total square footage. Simply enter the price and area, and it instantly returns the per-square-foot cost.

Do I need to create an account or sign up to use this price per square foot calculator?

No. This is a no-signup, browser-based tool that runs entirely on your device. Your data never leaves your browser, so you can use it privately without providing any personal information or creating an account.

How accurate are the results from a price per square foot calculator?

The results are only as accurate as the data you input. A price per square foot calculator gives you a useful average for comparing properties or estimating costs, but it does not account for variables like location, condition, or market fluctuations that affect real-world pricing.

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Cite this tool

BoringToolsKit. “Price Per Square Foot Calculator.” boringtoolskit.com/price-per-square-foot/. Free to reference in articles, syllabi, and answer posts with a link.

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Worked example: quoting a 850 sq ft laminate job

Take the middle mode (total price). A contractor quotes laminate at $3.75 per sq ft and the room measures 850 sq ft. The plan needs 8% extra for cuts and waste. Multiply first: 3.75 x 850 = 3,187.50. Then apply waste: 3,187.50 x 1.08 = 3,442.50. The calculator returns $3,442.50, and the breakdown line shows the same two steps: rate times area, then the 8% uplift.

Check it in reverse with the third mode: hand the calculator $3,442.50 and $3.75 per sq ft and it computes 3,442.50 / 3.75 = 918 sq ft. That is the 850 sq ft room plus the 68 sq ft (8%) waste allowance, so the round trip closes exactly. The first mode is the same arithmetic with the division done for you: a $2,125 sale on 850 sq ft is 2,125 / 850 = $2.50 per sq ft. If a quote lands near $2.75 instead, the seller has either padded the rate or added a line the per-foot figure hides.

What a per-square-foot number quietly excludes

The pps mode divides two numbers and nothing else, so every real-world wrinkle stays inside them. On a $310,000 condo with 1,100 sq ft of interior area, 310,000 / 1,100 = $281.82 per sq ft. But if $9,000 of that price is a parking space, the housing-only rate is (310,000 - 9,000) / 1,100 = 301,000 / 1,100 = $273.64, about $8 lower. Appraisers typically back out such non-area items before comparing comps.

Area definitions drift too. The same 1,100 sq ft unit might be marketed at 1,232 sq ft gross including walls and balcony share, which drops the quoted rate to 310,000 / 1,232 = $251.62. That is a 10.7% swing from definition alone, larger than typical negotiation room. For flooring and paint, the calculator's waste input covers offcuts but not transitions, trim, or substrate repair; a 12x12 tile at 8% waste can still run short on diagonal layouts, where installers commonly use 15%. Use the output as a comparison baseline, then itemize what each quote adds on top.