720 mm = 0.00072 km. To convert millimeters to kilometers, divide by 1,000,000: 720 ÷ 1,000,000 = 0.00072.
How to convert millimeters to kilometers
km = mm × 0.000001
- 1 mm = 0.000001 km (and 1 km = 1,000,000 mm).
- Multiply the amount by the factor: 720 × 0.000001 = 0.00072.
- Answer: 720 mm = 0.00072 km.
Shortcut: dividing by 1,000,000 gives the same result as multiplying by 0.000001.
Millimeters to Kilometers table
| Millimeters (mm) | Kilometers (km) |
|---|---|
| 715 mm | 0.000715 km |
| 716 mm | 0.000716 km |
| 717 mm | 0.000717 km |
| 718 mm | 0.000718 km |
| 719 mm | 0.000719 km |
| 720 mm | 0.00072 km |
| 721 mm | 0.000721 km |
| 722 mm | 0.000722 km |
| 723 mm | 0.000723 km |
| 724 mm | 0.000724 km |
| 725 mm | 0.000725 km |
| mm | km |
|---|---|
| 1 mm | 0.000001 km |
| 5 mm | 0.000005 km |
| 10 mm | 0.00001 km |
| 50 mm | 0.00005 km |
| 100 mm | 0.0001 km |
| 1,000 mm | 0.001 km |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.