64.2 mm = 6.42 cm. To convert millimeters to centimeters, divide by 10: 64.2 ÷ 10 = 6.42.
How to convert millimeters to centimeters
cm = mm × 0.1
- 1 mm = 0.1 cm (and 1 cm = 10 mm).
- Multiply the amount by the factor: 64.2 × 0.1 = 6.42.
- Answer: 64.2 mm = 6.42 cm.
Shortcut: dividing by 10 gives the same result as multiplying by 0.1.
Millimeters to Centimeters table
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 63.7 mm | 6.37 cm |
| 63.8 mm | 6.38 cm |
| 63.9 mm | 6.39 cm |
| 64 mm | 6.4 cm |
| 64.1 mm | 6.41 cm |
| 64.2 mm | 6.42 cm |
| 64.3 mm | 6.43 cm |
| 64.4 mm | 6.44 cm |
| 64.5 mm | 6.45 cm |
| 64.6 mm | 6.46 cm |
| 64.7 mm | 6.47 cm |
| mm | cm |
|---|---|
| 1 mm | 0.1 cm |
| 5 mm | 0.5 cm |
| 10 mm | 1 cm |
| 50 mm | 5 cm |
| 100 mm | 10 cm |
| 1,000 mm | 100 cm |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.