Convert millimeter to meter
1 mm = 0.001 m
sig figs
1 mm = 0.001 m
1 mm in every length unit
| Planck length | 6.19e+31 lP |
| femtometer | 1,000,000,000,000 fm |
| picometer | 1,000,000,000 pm |
| bohr radius | 18,900,000 a0 |
| angstrom | 10,000,000 Å |
| nanometer | 1,000,000 nm |
| micrometer | 1,000 μm |
| thou | 39.4 thou |
| point | 2.83 pt |
| millimeter | 1 mm |
| pica | 0.236 pc |
| centimeter | 0.1 cm |
| inch | 0.0394 in |
| decimeter | 0.01 dm |
| hand | 0.00984 hh |
| link | 0.00497 li |
| foot | 0.00328 ft |
| US survey foot | 0.00328 ftUS |
| yard | 0.00109 yd |
| meter | 0.001 m |
| fathom | 0.000547 ftm |
| rod | 0.000199 rd |
| chain | 0.0000497 ch |
| cable length | 0.0000054 cb |
| furlong | 0.00000497 fur |
| kilometer | 0.000001 km |
| mile | 6.21e-07 mi |
| nautical mile | 5.40e-07 nmi |
| league | 2.07e-07 lea |
| megameter | 1.00e-09 Mm |
| Earth radius | 1.57e-10 REarth |
| light-second | 3.34e-12 ls |
| lunar distance | 2.60e-12 LD |
| solar radius | 1.44e-12 Rsun |
| light-minute | 5.56e-14 lmin |
| astronomical unit | 6.68e-15 AU |
| light-year | 1.06e-19 ly |
| parsec | 3.24e-20 pc |
| kiloparsec | 3.24e-23 kpc |
| megaparsec | 3.24e-26 Mpc |
| gigaparsec | 3.24e-29 Gpc |
How the conversion works
Multiply by 0.001 to go from millimeter to meter, or divide by it to go back. Every conversion on this site routes through the SI value (m) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? meter to millimeter: 1 m = 1,000 mm.
millimeter to meter: common values
| 1 mm | 0.001 m |
| 2 mm | 0.002 m |
| 3 mm | 0.003 m |
| 5 mm | 0.005 m |
| 10 mm | 0.01 m |
| 15 mm | 0.015 m |
| 20 mm | 0.02 m |
| 25 mm | 0.025 m |
| 50 mm | 0.05 m |
| 75 mm | 0.075 m |
| 100 mm | 0.1 m |
| 250 mm | 0.25 m |
| 500 mm | 0.5 m |
| 1000 mm | 1 m |