ft²
square foot
Areaexact by definition
The square foot is the area of a square one foot on a side, exactly 0.09290304 m². It is the standard unit of floor area, glazing area and heat transfer surface in the United States. The factor is exact by definition.
Watch out: Floor area quoted in square feet may be gross, rentable or usable, and the three can differ by 20% or more for the same office. The unit is unambiguous; the measurement convention behind it is not.
| 1 ft² | 0.09290304 m² |
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