Enter a total area to convert square feet to square meters, or switch directions to convert square meters to square feet.
Table of contents
How to use our Square Feet to Square Meters Converter
- Choose the conversion direction that matches the unit printed on your listing, plan, lease, or measurement.
- Enter one total area in the active box. You can include a matching suffix such as sq ft, sqft, sf, or m2.
- Select Calculate to see the same area in the destination unit.
- Sanity-check the result: converting square feet to square meters makes the number smaller, while converting square meters to square feet makes it larger.
Definitions
Square foot (ft2): A unit of area equal to a square 1 foot long and 1 foot wide.
Square meter (m2): A unit of area equal to a square 1 meter long and 1 meter wide.
Area: The amount of flat surface inside a boundary. Area uses squared units, unlike length.
Conversion factor: A number used to change from one unit to another. One square foot equals exactly 0.09290304 square meters. [1]
Common mistakes and quick fixes
Mistake: Entering one side length, such as 12 feet.
Fix: Enter total area. For a rectangle, multiply length by width first.
Mistake: Typing dimensions such as 10 x 12 into the area box.
Fix: Calculate the area first, then enter one total, such as 120 square feet.
Mistake: Using the feet-to-meters length factor for an area.
Fix: Use the square-foot area factor because area has two dimensions.
Mistake: Writing commas incorrectly, such as 1,01 or 1,,000.
Fix: Use commas only for thousands, such as 1,000. Use a decimal point for decimals.
Mistake: Entering a negative area.
Fix: Enter 0 or a positive total area. Negative physical area is not valid for this converter.
Limitations & Key Assumptions / Boundary Conditions
- This converter changes units only. It does not measure a room or decide which parts of a property count toward a reported area.
- Enter one total area in the active source unit, not length, width, a formula, a range, or mixed dimensions.
- Zero area is valid. Negative areas are outside the physical area domain used by this converter.
- Displayed results may be rounded for readability, but the calculation uses 0.09290304 square meters per square foot.
Methodology
Conversion method
The calculator uses the exact international-foot relationship:
1 foot equals 0.3048 meter. Squaring that length relationship gives 1 square foot = 0.09290304 square meters. [1]
area (m2) = area (ft2) x 0.09290304
area (ft2) = area (m2) / 0.09290304
Worked example
For 100 ft2, multiply 100 by 0.09290304. The converted area is 9.290304 m2.
Calculation detail
The calculator applies the same area factor in reverse by dividing. It uses an area factor, not the length factor for feet and meters. Very small nonzero answers should show extra decimal places or scientific notation so they do not appear as zero.