Price Per Square Foot Calculator

Price per square foot is the fastest way to compare homes that come in different sizes. A $400,000 house at 2,000 square feet works out to $200 per square foot, while a $465,000 house at 2,400 square feet is only about $194 per square foot - so the more expensive home is actually the better value by area. That single number cuts through sticker prices and lets you line up listings on an apples-to-apples basis, which is exactly what this price per square foot calculator is built to do.

The formula

The math is simple division:

You can also rearrange it to estimate a price from a target rate:

So a 2,000 sq ft home at $220/sq ft would be priced around $440,000. The calculator handles both directions for you.

A worked example

Imagine you are weighing two listings. Home A is $400,000 for 2,000 square feet; Home B is $465,000 for 2,400 square feet. Divide each price by its area: Home A is $200/sq ft and Home B is about $193.75/sq ft. Despite the higher sticker price, Home B is roughly 3.1% cheaper per square foot. If the two homes are otherwise comparable - same neighborhood, similar condition - Home B gives you more house for each dollar. That is the kind of insight the comparison mode surfaces in one click.

How to use this calculator

1. Pick a mode: calculate price per square foot, work a price backward from a $/sq ft target, or compare two homes.
2. Enter the price (the asking or sale price) and the square footage (the finished living area).
3. In compare mode, fill in both Property A and Property B.
4. Press Calculate. The big number at the top is your answer; the breakdown and table show the supporting figures.

Use the same definition of square footage for every home you compare - usually above-grade finished living area - so the numbers are truly comparable.

Who this calculator is for

• Home buyers screening listings and deciding which homes are worth touring.
• Sellers pricing their home against recent comparable sales in the neighborhood.
• Investors quickly ranking deals by cost per square foot before deeper analysis.
• Renters and small businesses comparing rent per square foot across spaces.
• Builders and remodelers sanity-checking a budget against a target dollar-per-square-foot.

Key terms explained

• Gross living area (GLA): the above-grade finished living space most listings and appraisers use as the square footage.
• Finished vs. unfinished space: garages and unfinished basements are usually excluded; finished basements are often listed separately.
• Comparable sales (comps): recently sold, similar nearby homes - the right benchmark for "good" price per square foot.
• Sticker price: the headline list price, which says nothing about size until you divide by square footage.
• Lot value: the land is included in the price but not the square footage, which skews per-square-foot numbers on premium lots.

Scenario 1: smaller home, higher rate

A 1,200 sq ft starter home listed at $360,000 is $300/sq ft, while a 2,400 sq ft home next door at $600,000 is only $250/sq ft. The smaller home looks "cheaper" on the sticker but costs more per square foot - because kitchens, baths, and the lot are fixed costs spread over less space. This is normal and does not mean the small home is a bad deal; it means size and price scale differently.

Scenario 2: comparing across neighborhoods

Suppose a condo downtown is $500,000 for 1,000 sq ft ($500/sq ft) and a suburban house is $500,000 for 2,500 sq ft ($200/sq ft). The dollar-per-square-foot gap mostly reflects location, not a better building - downtown land is far more expensive. Price per square foot is most meaningful within a neighborhood, not across very different ones.

Scenario 3: new construction budget

If local builders quote around $180/sq ft for new construction and you want a 2,200 sq ft home, switch to the reverse mode: $180 × 2,200 = about $396,000 for the build (land, permits, and upgrades extra). It is a fast way to turn a per-square-foot rate into a realistic budget number.

What affects price per square foot

• Location: the single biggest driver - the same house costs far more per square foot in a high-demand area.
• Home size: smaller homes usually have a higher per-square-foot price because fixed costs are concentrated.
• Condition and upgrades: a renovated kitchen, new roof, or modern systems push the number up.
• Lot and view: a large or premium lot is paid for in the price but not the square footage.
• Age and construction type: new builds and higher-end materials raise the rate.
• How square footage is measured: including or excluding basements and garages changes the result.

Tips for using price per square foot well

• Compare homes in the same neighborhood and price tier for the number to mean anything.
• Confirm how square footage was measured on each listing before comparing.
• Pair it with recent comparable sales, not list prices, for a real market read.
• Adjust for obvious differences - a fixer-upper at the same $/sq ft as a remodeled home is not the same deal.
• Use it to shortlist homes, then rely on a tour and appraisal for the final call.

Limitations and assumptions

• It treats every square foot as equal value, but a finished basement square foot is not worth a main-floor one.
• It ignores location, condition, lot, layout, and view - the things that often matter most.
• It depends on accurate square footage; listing measurements vary and are sometimes wrong.
• It is not an appraisal and should not be the sole basis for an offer or a sale price.
• Results assume the price and square footage you enter are for the same definition of living area.

How price per square foot is used in real life

Real-estate agents lean on price per square foot when they build a comparative market analysis (CMA): they pull recently sold homes nearby, calculate each one's dollar-per-square-foot, and use the range to suggest a list price or a competitive offer. Appraisers reference it too, though they adjust heavily for differences. As a buyer, the practical workflow is to gather three to five recent comparable sales, compute each one's price per square foot with this tool, and see where a target home falls. If a listing is well above the local range with no obvious reason - no remodel, no premium lot, no view - that is a signal to negotiate or look closer. If it sits below the range, either you have found a deal or there is a catch worth investigating, such as deferred maintenance or a tough location. The number turns vague gut-feel pricing into a defensible starting point.

Price per square foot vs. total price vs. monthly cost

It helps to keep three different "prices" straight. Price per square foot measures value density - how much you pay for each unit of space - and is best for comparing homes of different sizes. Total price is the sticker that determines your loan size and the cash you bring to closing. Monthly cost is what actually fits (or does not fit) your budget once you add interest, taxes, insurance, and any HOA dues. A home can win on one of these and lose on another: a large house might have an attractive price per square foot yet a total price and monthly payment that stretch you too far. Use price per square foot to shortlist, the total price to gauge the cash and loan, and a payment estimate to confirm it is livable month to month. Lining up all three is how experienced buyers avoid falling for a number that looks great in isolation.

How square footage is measured (and why it varies)

Because price per square foot is just a ratio, the square-footage figure in the denominator decides the answer - and that figure is measured less consistently than most buyers assume. The closest thing to a national rulebook is the ANSI Z765 standard, which Fannie Mae now requires appraisers to follow for most conventional home appraisals. Under ANSI, square footage means finished, above-grade living area measured to the exterior walls, with minimum ceiling-height rules and a separate accounting for below-grade space. A finished basement, even a beautiful one, is reported on its own line and is not folded into the headline square footage.

Public sources rarely match that discipline. A county tax assessor may count or exclude a basement differently than the listing agent; an old MLS entry might include a converted garage that ANSI would not. The practical effect: two listings can describe the "same" home with square footage that differs by hundreds of feet, which swings the dollar-per-square-foot number enough to flip which home looks cheaper. When you compare properties with this calculator, use the appraisal's gross living area if you have it, fall back to the listing's stated finished above-grade area, and note when a figure obviously includes basement or garage space so you are not comparing apples to oranges. This is also why a per-square-foot number from a real appraisal carries more weight than one computed from a tax record.

How it compares to related calculators

Price per square foot tells you whether a home is priced competitively for its size. To answer the next questions, a sister tool fits better:

• To turn a price into a monthly payment, use the Mortgage Calculator.
• To find the maximum price you can afford, use the Home Affordability Calculator.
• To weigh renting against buying over time, use the Rent vs. Buy Calculator.
• To estimate the cash you need up front, use the Down Payment Calculator and Closing Cost Calculator.
• To estimate the yearly tax bill, use the Property Tax Calculator.

Sources

• Fannie Mae - ANSI Z765 measuring standard requirement for appraisals.
• U.S. Department of Housing and Urban Development (HUD) - Buying a Home: appraisals and home value.
• Consumer Financial Protection Bureau (CFPB) - Owning a Home: pricing and comparing properties.