Roof Square Footage Calculator

Find out exactly how many square feet of roofing your Tulsa-area home needs — and how many roofing squares to order. Enter your home’s footprint, roof pitch, and overhang below for an instant, accurate roof area calculation.

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Calculate Your Roof Area

Enter your home’s footprint and roof profile — your roof area in square feet and roofing squares updates instantly.

Total Roof Surface Area

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including pitch & overhang

Roofing Squares

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1 square = 100 sq ft

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Footprint w/ Overhang

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Effective Size (L × W)

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Overhang Added

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Pitch Multiplier

Based on your home’s footprint, overhang, and roof pitch.

Call (918) 734-4444 Get a Free Measured Quote

How It Works — 3 Simple Steps

Measure Your Footprint

Measure the length and width of your home at the exterior walls in feet. Your property survey, floor plan, or a simple tape measure works — most Tulsa homes run 30–50 ft by 25–40 ft.

Set Pitch & Overhang

Select your roof pitch from 4/12 to 12/12 and enter your eave overhang in inches. The calculator applies the correct pitch multiplier (up to ×1.41 at 12/12) so your area is accurate.

Get Exact Numbers

See your roof area in square feet and roofing squares instantly. Then call (918) 734-4444 or request a free quote for a laser-measured roof report — no obligation. Get a free roof estimate from Proof Construction. Explore all roofing solutions from Proof Construction.

Frequently Asked Questions

Quick Answers

Why does accurate roof square footage matter for an insurance claim? Roof square footage drives the material and labor line items on an insurance estimate, so an accurate measurement prevents both underpayments and inflated claims. Our team documents your roof’s exact square count for your adjuster. Request a free inspection through our contact page to get started.

How much does roof pitch affect my roof’s square footage? Roof pitch is the rise in inches per 12 inches of run. A 4/12 pitch adds about 5% to your home’s footprint area, 6/12 adds about 12%, 9/12 adds 25%, and a 12/12 pitch adds about 41%. The steeper your roof, the more surface area — and the more material and labor — it takes to cover it.

How do I calculate the square footage of my roof? Measure the length and width of your home’s footprint in feet and multiply them together. Add your eave overhang (usually 6–12 inches per side), then multiply by your roof pitch multiplier — 1.118 for a 6/12 pitch, up to 1.414 for a 12/12 pitch. That gives your roof’s true surface area in square feet. Use the calculator above for an instant answer, or call (918) 734-4444 for a free laser-measured estimate.

What is a roofing square? A roofing square is 100 square feet of roof surface. Roofing materials are priced and ordered by the square — a 1,500 sq ft roof is 15 squares. Shingles are sold in bundles of about one-third of a square (3 bundles per square), so a 15-square roof needs roughly 45 bundles.

How do I calculate the square footage of my roof?

Measure the length and width of your home’s footprint in feet and multiply them together. Add your eave overhang (usually 6–12 inches per side), then multiply by your roof pitch multiplier — 1.118 for a 6/12 pitch, up to 1.414 for a 12/12 pitch. That gives your roof’s true surface area in square feet. Use the calculator above for an instant answer, or call (918) 734-4444 for a free laser-measured estimate.

What is a roofing square?

A roofing square is 100 square feet of roof surface. Roofing materials are priced and ordered by the square — a 1,500 sq ft roof is 15 squares. Shingles are sold in bundles of about one-third of a square (3 bundles per square), so a 15-square roof needs roughly 45 bundles.

How much does roof pitch affect my roof’s square footage?

Roof pitch is the rise in inches per 12 inches of run. A 4/12 pitch adds about 5% to your home’s footprint area, 6/12 adds about 12%, 9/12 adds 25%, and a 12/12 pitch adds about 41%. The steeper your roof, the more surface area — and the more material and labor — it takes to cover it.

Does the roof overhang count in the square footage?

Yes. The eave overhang extends past your home’s exterior walls, so the roof surface is larger than your home’s footprint. A 12-inch overhang adds 2 feet total across each dimension (1 foot per side), which can add 5–10% to your total roof area on a typical Tulsa home.

How many roofing squares does a typical Tulsa home need?

A typical Tulsa-area home has a footprint of roughly 1,200–1,400 sq ft. With a 12-inch overhang and a 6/12 pitch, that comes to about 15–18 roofing squares. Proof Construction measures every roof with satellite imagery and on-site laser tools for an exact count — call (918) 734-4444 for a free measurement.

Why does accurate roof square footage matter for an insurance claim?

Roof square footage drives the material and labor line items on an insurance estimate, so an accurate measurement prevents both underpayments and inflated claims. Our team documents your roof’s exact square count for your adjuster. Request a free inspection through our contact page to get started.

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