170 mm = 17 cm. To convert millimeters to centimeters, divide by 10: 170 ÷ 10 = 17.
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: 170 × 0.1 = 17.
- Answer: 170 mm = 17 cm.
Shortcut: dividing by 10 gives the same result as multiplying by 0.1.
Millimeters to Centimeters table
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 165 mm | 16.5 cm |
| 166 mm | 16.6 cm |
| 167 mm | 16.7 cm |
| 168 mm | 16.8 cm |
| 169 mm | 16.9 cm |
| 170 mm | 17 cm |
| 171 mm | 17.1 cm |
| 172 mm | 17.2 cm |
| 173 mm | 17.3 cm |
| 174 mm | 17.4 cm |
| 175 mm | 17.5 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.