Millimetres to metres converter
Metres (m)
1 millimetre = 0.001 metres
How to convert millimetres to metres
m = mm × 0.001
Multiply the number of millimetres by 0.001 to get metres. Going the other way, divide by 0.001 (or multiply by 1000).
One millimetre is exactly defined as 0.001 metres (to 12 significant figures), and one metre is 1000 millimetres.
Worked examples
- Convert 5 millimetres: 5 × 0.001 = 0.005 0.005 metres.
- Convert 12.5 millimetres: 12.5 × 0.001 = 0.0125 0.0125 metres.
- Convert 250 millimetres: 250 × 0.001 = 0.25 0.25 metres.
Quick-reference table
| mm | m |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 1,000 | 1 |
| m | mm |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
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Frequently asked questions
How many metres are in 1 millimetre?
1 millimetre equals 0.001 metres.
What is the formula to convert millimetres to metres?
Use m = mm × 0.001. Multiply the number of millimetres by 0.001 to get metres. Going the other way, divide by 0.001 (or multiply by 1000).
What is 100 millimetres in metres?
100 millimetres is 0.1 metres.