Area
Square millimetres to Square kilometres Converter
1 mm² = 1.000e-12 km²
0 km²
1 mm² = 0 km²
Square millimetres to Square kilometres conversion table
| Square millimetres (mm²) | Square kilometres (km²) |
|---|---|
| 1 | 1.000e-12 |
| 2 | 2.000e-12 |
| 5 | 5.000e-12 |
| 10 | 1.000e-11 |
| 25 | 2.500e-11 |
| 50 | 5.000e-11 |
| 100 | 1.000e-10 |
| 250 | 2.500e-10 |
| 500 | 5.000e-10 |
| 1,000 | 1.000e-9 |
How to convert square millimetres to square kilometres
Multiply the number of square millimetres by 1.000e-12 to get the equivalent in square kilometres. The full converter above handles decimals, negative values and the reverse direction automatically.
Need the other way? Convert square kilometres to square millimetres.
More square millimetres conversions
Square millimetres → Square centimetres
1 mm² = 0.01000 cm²
Square millimetres → Square metres
1 mm² = 0.000001000 m²
Square millimetres → Hectares
1 mm² = 1.000e-10 ha
Square millimetres → Square inches
1 mm² = 0.001550 in²
Square millimetres → Square feet
1 mm² = 0.00001076 ft²
Square millimetres → Square yards
1 mm² = 0.000001196 yd²
Square millimetres → Acres
1 mm² = 2.471e-10 ac
Square millimetres → Square miles
1 mm² = 3.861e-13 mi²