Meters to Millimeters Converter
Convert meters to millimeters instantly. 1 m = 1,000 mm. Free two-way converter with the formula and a quick reference table.
How to convert meters to millimeters
millimeters = meters × 1,000
One meter equals 1,000 millimeters, so to convert meters to millimeters you multiply by 1,000. Going the other way, one millimeter is 0.001 meters. Both units measure length, so the conversion is an exact ratio that never changes.
10 meters = 10,000 millimeters. Multiply your meter figure by the factor above (or just type it into the box) to convert any amount.
meters to millimeters table
| meters (m) | millimeters (mm) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
Frequently asked questions
How many millimeters are in a meter?
One meter equals 1,000 millimeters. So to convert, multiply the number of meters by 1,000.
How do I convert meters to millimeters?
Multiply by 1,000, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.