4 cm to mm
4 centimeters in millimeters
4 cm = 40 mm
mm = cm × 10
4 centimeters is 40 millimeters. To get there, multiply by 10.
Values either side
| Centimeters | Millimeters |
|---|---|
| 1.5 cm | 15 |
| 2 cm | 20 |
| 2.5 cm | 25 |
| 3 cm | 30 |
| 4 cm ← | 40 |
| 5 cm | 50 |
| 6 cm | 60 |
| 7 cm | 70 |
| 8 cm | 80 |
How the conversion works
The relationship is mm = cm × 10. Both units measure length, so the conversion is a fixed factor that never changes.
Common questions
- What is 4 cm in millimeters?
- 4 cm is 40 mm.
- How do you convert centimeters to millimeters?
- Multiply by 10.
Related pages
- Centimeters to millimeters Full table and converter
- 4 mm to cm The other direction
- 1.5 cm to mm 15 mm
- 2 cm to mm 20 mm
- 2.5 cm to mm 25 mm
- 3 cm to mm 30 mm
- 5 cm to mm 50 mm
- 6 cm to mm 60 mm
- 7 cm to mm 70 mm
- 8 cm to mm 80 mm
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place