4.2 mm = 0.0042 m. To convert millimeters to meters, divide by 1,000: 4.2 ÷ 1,000 = 0.0042.
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: 4.2 × 0.001 = 0.0042.
- Answer: 4.2 mm = 0.0042 m.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Millimeters to Meters table
| Millimeters (mm) | Meters (m) |
|---|---|
| 3.7 mm | 0.0037 m |
| 3.8 mm | 0.0038 m |
| 3.9 mm | 0.0039 m |
| 4 mm | 0.004 m |
| 4.1 mm | 0.0041 m |
| 4.2 mm | 0.0042 m |
| 4.3 mm | 0.0043 m |
| 4.4 mm | 0.0044 m |
| 4.5 mm | 0.0045 m |
| 4.6 mm | 0.0046 m |
| 4.7 mm | 0.0047 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.