Square millimetres to Square feet Converter
Convert square millimetres (mm²) to square feet (sq ft) instantly. Area conversions are everyday maths in Singapore property: HDB flats are listed in square metres while condo listings and PSF prices use square feet.
Result
- Square feet
- 1.076391e-5 sq ft
How to use the square millimetres to square feet converter
- Enter the square millimetres (mm²).
- The results update as you type, or press Calculate.
- Read the square feet first, then the supporting figures below it.
Formula
Square feet = square millimetres × 1.076391e-05
Worked example
For example, with these inputs:
- Square millimetres (mm²): 1
the calculator returns:
- Square feet: 1.076391e-5 sq ft
Square millimetres to Square feet table
| Square millimetres | Square feet |
|---|---|
| 1 mm² | 1.076391e-5 sq ft |
| 2 mm² | 2.152782e-5 sq ft |
| 5 mm² | 5.381955e-5 sq ft |
| 10 mm² | 0.000108 sq ft |
| 20 mm² | 0.000215 sq ft |
| 25 mm² | 0.000269 sq ft |
| 50 mm² | 0.000538 sq ft |
| 100 mm² | 0.001076 sq ft |
| 250 mm² | 0.002691 sq ft |
| 500 mm² | 0.005382 sq ft |
| 1,000 mm² | 0.010764 sq ft |
About this conversion
Area conversions are everyday maths in Singapore property: HDB flats are listed in square metres while condo listings and PSF prices use square feet.
Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.
A conversion table is handy for common values, but a calculator is faster and avoids interpolation errors for anything in between.
Frequently asked questions
How many square feet are in one square millimetre?
1 mm² = 1.076391e-5 sq ft.
How do I convert mm² to sq ft?
Square feet = square millimetres × 1.076391e-05.