Square Footage Calculator

Area Calculator

Square Footage Calculator

Compute the square footage of any room, lot, slab, or wall. Supports rectangles, circles, triangles, trapezoids, and L-shaped rooms — with cost and coverage estimates built in.

Choose a shape

Switch shapes any time — your other inputs are remembered.

Length

Width

Optional cost & coverage

Useful for flooring, paint, sod, sealers — any per-sqft material.

Price per ft²

$/ft²

Coverage per unit (ft² / unit)

ft²/u

Square footage

240ft²

Square meters

22.297 m²

Square yards

26.667 yd²

Acres

0.00551 ac

Perimeter

64 ft

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<iframe src="https://calculators.is/constr-square-footage-calculator" title="Square Footage Calculator" width="100%" height="620" style="max-width:720px;border:0;border-radius:12px;display:block" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>

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Calculator By Adil Balti, Content Proofread and Verify by Muhammad Kumail & Gulzar Abbas.

Square Footage Calculator