Square foot Converter

Created by: tinycalcs.com/en
Number of supported units: 17
Last update: 2026

The Square foot Converter supports 17 different area units. This makes it possible to convert freely between square feet [ft²], American, British, metric, and other area units. All area units are converted in real time and displayed with up to 20 decimal places, ensuring sufficient accuracy.


Conversion of square feet

To convert square feet [ft²] into another unit of area, a conversion value is required. This value can be determined using a conversion table. However, the table is relatively large, confusing, and difficult for inexperienced users to understand. The following tool provides a solution to this problem by allowing the rounded conversion values for square feet [ft²] to be queried directly from the conversion table.

Determine conversion factor

≈ 10.7639
Calculation example:
Square meters = Square feet * 0.09290304
Square feet = Square meters ÷ 0.09290304

Conversion between square feet and square millimeters

A quick and precise conversion between square feet [ft²] and square millimeters [mm²] is straightforward and requires only multiplication or division by 92,903.04. The conversion from square feet [ft²] to square millimeters [mm²] is done by multiplying the value in square feet [ft²] by 92,903.04. To reverse the conversion, divide the value in square millimeters [mm²] by 92,903.04 to obtain square feet [ft²].

  • Square millimeters [mm²] = square feet [ft²] * 92,903.04
  • Square feet [ft²] = square millimeters [mm²] ÷ 92,903.04

Conversion between square feet and square centimeters

Conversions between square feet [ft²] and square centimeters [cm²] are straightforward and can be performed with simple math. The required conversion factor is 929.0304. To convert a value from square feet [ft²] to square centimeters [cm²], multiply the number of square feet [ft²] by 929.0304. For values in square centimeters [cm²], divide by 929.0304 to get the equivalent in square feet [ft²].

  • Square centimeters [cm²] = square feet [ft²] * 929.0304
  • Square feet [ft²] = square centimeters [cm²] ÷ 929.0304

Conversion between square feet and square decimeters

You can easily convert between square decimeters [dm²] and square feet [ft²] using the formulas provided below. For accurate results, it is important to follow the correct order of mathematical operations.

  • Square feet [ft²] = square decimeters [dm²] ÷ 9.290304
  • Square decimeters [dm²] = square feet [ft²] * 9.290304

Conversion between square feet and square meters

The fastest and easiest way to convert between square meters [m²] and square feet [ft²] is to use the converter above. Manual conversions are also possible and can be done using the formulas provided below.

  • Square feet [ft²] = square meters [m²] ÷ 0.09290304
  • Square meters [m²] = square feet [ft²] * 0.09290304

Conversion between square feet and square kilometers

The two formulas below provide an easy way to convert between square kilometers [km²] and square feet [ft²]. To ensure precise conversion results, it is important to follow the correct order of math operations.

  • Square feet [ft²] = square kilometers [km²] ÷ 9.290304 * 108
  • Square kilometers [km²] = square feet [ft²] * 9.290304 ÷ 108

Square foot

Decimal places

Metric units

American / British

Further units

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