How to convert meters to millimeters
mm = m × 1,000Multiply the value in meters by 1,000. To go the other way, multiply by 0.001 (or divide by 1,000).
A meter is larger than a millimeter: one meter contains 1,000 millimeters.
Worked examples
- 1 meter1 m × 1,000 = 1,000 mm
- 5 meters5 m × 1,000 = 5,000 mm
- 10 meters10 m × 1,000 = 10,000 mm
- 20 meters20 m × 1,000 = 20,000 mm
- 100 meters100 m × 1,000 = 100,000 mm
Meters to millimeters conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Meters (m) | Millimeters (mm) |
|---|---|
| 0.1 m | 100 mm |
| 0.25 m | 250 mm |
| 0.5 m | 500 mm |
| 1 m | 1,000 mm |
| 2 m | 2,000 mm |
| 3 m | 3,000 mm |
| 4 m | 4,000 mm |
| 5 m | 5,000 mm |
| 6 m | 6,000 mm |
| 7 m | 7,000 mm |
| 8 m | 8,000 mm |
| 9 m | 9,000 mm |
| 10 m | 10,000 mm |
| Meters (m) | Millimeters (mm) |
|---|---|
| 12 m | 12,000 mm |
| 15 m | 15,000 mm |
| 20 m | 20,000 mm |
| 25 m | 25,000 mm |
| 30 m | 30,000 mm |
| 40 m | 40,000 mm |
| 50 m | 50,000 mm |
| 75 m | 75,000 mm |
| 100 m | 100,000 mm |
| 250 m | 250,000 mm |
| 500 m | 500,000 mm |
| 1,000 m | 1,000,000 mm |
About the units
Meter (m)
The SI base unit of length, defined as the distance light travels in a vacuum in 1/299,792,458 of a second. A typical interior door is about 2 m tall.
Millimeter (mm)
One thousandth of a metre. Millimetres are the standard unit on engineering drawings, rulers and rainfall gauges; a credit card is about 0.76 mm thick. One millimeter equals 0.001 meters (m).
Frequently asked questions
How many millimeters are in one meter?
There are 1,000 millimeters in one meter, and this value is exact by definition.
How do I convert meters to millimeters?
Multiply the number of meters by 1,000. For example, 10 m × 1,000 = 10,000 mm.
How many meters are in one millimeter?
One millimeter equals 0.001 meters. That is the reverse factor, 1 ÷ 1,000.
What is 10 meters in millimeters?
10 m = 10,000 mm.
Is this m to mm converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.