Meters to millimeters
millimeters = meters × 1,000
Reverse: millimeters to meters
How to convert meters to millimeters
One meter is 1,000 millimeters, so multiply the number of meters by 1,000. For example, 20 meters is 20 × 1,000 = 20,000 millimeters. To go back, divide by the same number, or multiply by 0.001.
Quick estimate
Multiplying by about 1000 gets within 0.0% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.
| meters | millimeters |
|---|---|
| 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 |
| 11 m | 11,000 mm |
| 12 m | 12,000 mm |
| 13 m | 13,000 mm |
| 14 m | 14,000 mm |
| 15 m | 15,000 mm |
| 16 m | 16,000 mm |
| 17 m | 17,000 mm |
| 18 m | 18,000 mm |
| 19 m | 19,000 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 |
| 60 m | 60,000 mm |
| 70 m | 70,000 mm |
| 75 m | 75,000 mm |
| 80 m | 80,000 mm |
| 90 m | 90,000 mm |
| 100 m | 100,000 mm |
| 120 m | 120,000 mm |
| 150 m | 150,000 mm |
| 200 m | 200,000 mm |
| 250 m | 250,000 mm |
| 300 m | 300,000 mm |
| 400 m | 400,000 mm |
| 500 m | 500,000 mm |
| 750 m | 750,000 mm |
| 1,000 m | 1,000,000 mm |
| 1,500 m | 1,500,000 mm |
| 2,000 m | 2,000,000 mm |
| 5,000 m | 5,000,000 mm |
| 10,000 m | 10,000,000 mm |
Questions
How many millimeters are in a meter?
1,000 millimeters.
How do I convert meters to millimeters in a spreadsheet?
Put the value in A1 and type =A1*1000, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.