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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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