How to convert area units
Square millimetres × 0.000001 ÷ 0.0001 = Square centimetres. Factors are relative to square metres.
Multiply your input by its scale factor, then divide by the output unit’s factor. All factors below are expressed in square metres per one unit. Some factors have been rounded to the precision shown.
| Unit | Factor in square metres |
|---|---|
| Square millimetres | 0.000001 |
| Square centimetres | 0.0001 |
| Square metres | 1 |
| Square kilometres | 1000000 |
| Square inches | 0.00064516 |
| Square feet | 0.09290304 |
| Square yards | 0.83612736 |
| Square miles | 2589988.110336 |
| Acres | 4046.8564224 |
| Hectares | 10000 |
Conventions
These are scale conversions within a single measurement dimension. They do not convert between different physical quantities.
Example conversion routes
- Square millimetres to Square centimetres
- Square millimetres to Square metres
- Square millimetres to Square kilometres
- Square millimetres to Square inches
- Square millimetres to Square feet
- Square millimetres to Square yards
- Square millimetres to Square miles
- Square millimetres to Acres
- Square millimetres to Hectares
- Square centimetres to Square millimetres
- Square centimetres to Square metres
- Square centimetres to Square kilometres
- Square centimetres to Square inches
- Square centimetres to Square feet
- Square centimetres to Square yards
- Square centimetres to Square miles
The directory lists each direction as a conversion route. These routes share this workspace and canonical page to avoid creating repetitive pages for the same converter.