Millimetres to Metres
Convert millimetres (mm) to metres (m) instantly — with formula and reference table.
mm
m
Quick answer: 1 mm = 0.001 m. To convert millimetres to metres, multiply by mm × 0.001.
Converting millimetres to metres
This converter changes a value in millimetres (mm) into metres (m). One millimetre equals 0.001 m. One metre equals 1,000 millimetres, so converting millimetres to metres means dividing by 1,000. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
m = mm × 0.001
Example
Convert 10 mm to m: 10 × 0.001 = 0.01 m.
Millimetres to Metres conversion table
| Millimetres (mm) | Metres (m) |
|---|---|
| 1 mm | 0.001 m |
| 2 mm | 0.002 m |
| 3 mm | 0.003 m |
| 5 mm | 0.005 m |
| 10 mm | 0.01 m |
| 20 mm | 0.02 m |
| 25 mm | 0.025 m |
| 50 mm | 0.05 m |
| 100 mm | 0.1 m |
How to use this converter
- Enter a value in the millimetres (mm) field.
- Read the converted value in metres (m) below.
- Type into the m field instead to convert in reverse, or use the swap button.
Frequently asked questions
How many metres is 1,000 mm?
1,000 millimetres equals exactly 1 metre.
How do I convert 500 mm to metres?
500 divided by 1,000 = 0.5 metres.
Why use millimetres?
Millimetres give fine precision for engineering, construction and manufacturing measurements.