680 mm = 0.68 m. To convert millimeters to meters, divide by 1,000: 680 ÷ 1,000 = 0.68.
How to convert millimeters to meters
m = mm × 0.001
- 1 mm = 0.001 m (and 1 m = 1,000 mm).
- Multiply the amount by the factor: 680 × 0.001 = 0.68.
- Answer: 680 mm = 0.68 m.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Millimeters to Meters table
| Millimeters (mm) | Meters (m) |
|---|---|
| 675 mm | 0.675 m |
| 676 mm | 0.676 m |
| 677 mm | 0.677 m |
| 678 mm | 0.678 m |
| 679 mm | 0.679 m |
| 680 mm | 0.68 m |
| 681 mm | 0.681 m |
| 682 mm | 0.682 m |
| 683 mm | 0.683 m |
| 684 mm | 0.684 m |
| 685 mm | 0.685 m |
| mm | m |
|---|---|
| 1 mm | 0.001 m |
| 5 mm | 0.005 m |
| 10 mm | 0.01 m |
| 50 mm | 0.05 m |
| 100 mm | 0.1 m |
| 1,000 mm | 1 m |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.