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Square Footage Calculator

Area in ft² or m²

Quickly calculate the square footage of any room, wall, floor or outdoor surface. Enter length and width in feet or meters and get instant area in both ft² and m² — perfect for flooring, paint and material estimates.

Units
Square feet
120.00
Square meters
11.15

Formula

Area = length × width.

Frequently asked questions

What is square footage?

Square footage measures area: length × width of a flat surface.

How do I convert ft² to m²?

Multiply square feet by 0.0929 to get square meters.

Example calculations

Bedroom: 12 ft × 14 ft

Area = 168 ft² (15.6 m²).

Patio: 20 ft × 16 ft

Area = 320 ft² (29.7 m²).

Accent wall: 12 ft × 9 ft

Area = 108 ft² (10.0 m²).

Square Footage Calculator FAQ

How do I calculate square footage?

Multiply length × width in feet. For rectangular rooms, that gives total square footage. For L-shaped rooms, split into rectangles and add the areas.

How do I convert square feet to square meters?

Multiply ft² by 0.0929 to get m². Multiply m² by 10.764 to get ft².

How do I handle feet and inches?

Convert inches to a decimal of a foot (inches ÷ 12), then multiply length × width.

Also known as

square footage calculatorsquare feet to square metersfeet and inches calculatorarea calculator
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