Metres to Millimetres
Convert metres (m) to millimetres (mm) instantly — with formula and reference table.
m
mm
Quick answer: 1 m = 1000 mm. To convert metres to millimetres, multiply by m × 1000.
Converting metres to millimetres
This converter changes a value in metres (m) into millimetres (mm). One metre equals 1000 mm. One metre equals exactly 1,000 millimetres. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
mm = m × 1000
Example
Convert 10 m to mm: 10 × 1000 = 10000 mm.
Metres to Millimetres conversion table
| Metres (m) | Millimetres (mm) |
|---|---|
| 1 m | 1000 mm |
| 2 m | 2000 mm |
| 3 m | 3000 mm |
| 5 m | 5000 mm |
| 10 m | 10000 mm |
| 20 m | 20000 mm |
| 25 m | 25000 mm |
| 50 m | 50000 mm |
| 100 m | 100000 mm |
How to use this converter
- Enter a value in the metres (m) field.
- Read the converted value in millimetres (mm) below.
- Type into the mm field instead to convert in reverse, or use the swap button.
Frequently asked questions
How many millimetres are in a metre?
1 metre equals 1,000 millimetres.
How do I convert 2 m to mm?
2 times 1,000 = 2,000 mm.
How many mm in a centimetre?
1 centimetre equals 10 millimetres, so 1 metre is 1,000 mm.