EngiRef / Length conversion
Convert Meters to Millimeters (m to mm)
1 m = 1000 mm. Convert meters to millimeters with the exact factor, a common-values table and a free converter.
Conversion factor
mm = m × 1000
1 m = 1000 mm
Multiply by 1000 mm to go from meters to millimeters, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
m to mm table
| Meters (m) | Millimeters (mm) |
|---|---|
| 1 m | 1000 mm |
| 2 m | 2000 mm |
| 5 m | 5000 mm |
| 10 m | 10000 mm |
| 20 m | 20000 mm |
| 50 m | 50000 mm |
| 100 m | 100000 mm |
Every figure is computed at build time by the site’s own converter from the length unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many millimeters are in one meter?
One meter is 1000 mm, so 100 m is 100000 mm.
What is the formula to convert meters to millimeters?
mm = m × 1000. Multiply the value in meters by 1000 to get millimeters.
How do I convert millimeters back to meters?
m = mm × 0.001, so 1 mm is 0.001 m. The mm to m page carries the same table in that direction.