Convert foot to millimeter
1 ft = 304.8 mm
sig figs
1 ft = 305 mm
1 ft in every length unit
| Planck length | 1.89e+34 lP |
| femtometer | 305,000,000,000,000 fm |
| picometer | 305,000,000,000 pm |
| bohr radius | 5,760,000,000 a0 |
| angstrom | 3,050,000,000 Å |
| nanometer | 305,000,000 nm |
| micrometer | 305,000 μm |
| thou | 12,000 thou |
| point | 864 pt |
| millimeter | 305 mm |
| pica | 72 pc |
| centimeter | 30.5 cm |
| inch | 12 in |
| decimeter | 3.05 dm |
| hand | 3 hh |
| link | 1.52 li |
| foot | 1 ft |
| US survey foot | 1 ftUS |
| yard | 0.333 yd |
| meter | 0.305 m |
| fathom | 0.167 ftm |
| rod | 0.0606 rd |
| chain | 0.0152 ch |
| cable length | 0.00165 cb |
| furlong | 0.00152 fur |
| kilometer | 0.000305 km |
| mile | 0.000189 mi |
| nautical mile | 0.000165 nmi |
| league | 0.0000631 lea |
| megameter | 3.05e-07 Mm |
| Earth radius | 4.78e-08 REarth |
| light-second | 1.02e-09 ls |
| lunar distance | 7.93e-10 LD |
| solar radius | 4.38e-10 Rsun |
| light-minute | 1.69e-11 lmin |
| astronomical unit | 2.04e-12 AU |
| light-year | 3.22e-17 ly |
| parsec | 9.88e-18 pc |
| kiloparsec | 9.88e-21 kpc |
| megaparsec | 9.88e-24 Mpc |
| gigaparsec | 9.88e-27 Gpc |
How the conversion works
Multiply by 304.8 to go from foot to millimeter, 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? millimeter to foot: 1 mm = 0.003280839895 ft.
foot to millimeter: common values
| 1 ft | 304.8 mm |
| 2 ft | 609.6 mm |
| 3 ft | 914.4 mm |
| 5 ft | 1,524 mm |
| 10 ft | 3,048 mm |
| 15 ft | 4,572 mm |
| 20 ft | 6,096 mm |
| 25 ft | 7,620 mm |
| 50 ft | 15,240 mm |
| 75 ft | 22,860 mm |
| 100 ft | 30,480 mm |
| 250 ft | 76,200 mm |
| 500 ft | 152,400 mm |
| 1000 ft | 304,800 mm |