Convert inch to kilometer
1 in = 0.0000254 km
sig figs
1 in = 0.0000254 km
1 in in every length unit
| Planck length | 1.57e+33 lP |
| femtometer | 25,400,000,000,000 fm |
| picometer | 25,400,000,000 pm |
| bohr radius | 480,000,000 a0 |
| angstrom | 254,000,000 Å |
| nanometer | 25,400,000 nm |
| micrometer | 25,400 μm |
| thou | 1,000 thou |
| point | 72 pt |
| millimeter | 25.4 mm |
| pica | 6 pc |
| centimeter | 2.54 cm |
| inch | 1 in |
| decimeter | 0.254 dm |
| hand | 0.25 hh |
| link | 0.126 li |
| foot | 0.0833 ft |
| US survey foot | 0.0833 ftUS |
| yard | 0.0278 yd |
| meter | 0.0254 m |
| fathom | 0.0139 ftm |
| rod | 0.00505 rd |
| chain | 0.00126 ch |
| cable length | 0.000137 cb |
| furlong | 0.000126 fur |
| kilometer | 0.0000254 km |
| mile | 0.0000158 mi |
| nautical mile | 0.0000137 nmi |
| league | 0.00000526 lea |
| megameter | 2.54e-08 Mm |
| Earth radius | 3.99e-09 REarth |
| light-second | 8.47e-11 ls |
| lunar distance | 6.61e-11 LD |
| solar radius | 3.65e-11 Rsun |
| light-minute | 1.41e-12 lmin |
| astronomical unit | 1.70e-13 AU |
| light-year | 2.68e-18 ly |
| parsec | 8.23e-19 pc |
| kiloparsec | 8.23e-22 kpc |
| megaparsec | 8.23e-25 Mpc |
| gigaparsec | 8.23e-28 Gpc |
How the conversion works
Multiply by 0.0000254 to go from inch to kilometer, 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? kilometer to inch: 1 km = 39,370.07874 in.
inch to kilometer: common values
| 1 in | 0.0000254 km |
| 2 in | 0.0000508 km |
| 3 in | 0.0000762 km |
| 5 in | 0.000127 km |
| 10 in | 0.000254 km |
| 15 in | 0.000381 km |
| 20 in | 0.000508 km |
| 25 in | 0.000635 km |
| 50 in | 0.00127 km |
| 75 in | 0.001905 km |
| 100 in | 0.00254 km |
| 250 in | 0.00635 km |
| 500 in | 0.0127 km |
| 1000 in | 0.0254 km |