Convert inch to kilometer
1 in = 0.0000254 km
1 in = 0.0000254 km
1 in in every length unit
| Planck length | 1.5715e+33 lP |
| femtometer | 25,400,000,000,000 fm |
| picometer | 25,400,000,000 pm |
| bohr radius | 479,990,000 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 | 0.12626 li |
| foot | 0.083333 ft |
| US survey foot | 0.083333 ftUS |
| yard | 0.027778 yd |
| meter | 0.0254 m |
| fathom | 0.013889 ftm |
| rod | 0.0050505 rd |
| chain | 0.0012626 ch |
| cable length | 0.00013715 cb |
| furlong | 0.00012626 fur |
| kilometer | 0.0000254 km |
| mile | 0.000015783 mi |
| nautical mile | 0.000013715 nmi |
| league | 0.0000052609 lea |
| megameter | 2.5400e-08 Mm |
| Earth radius | 3.9868e-09 REarth |
| light-second | 8.4725e-11 ls |
| lunar distance | 6.6077e-11 LD |
| solar radius | 3.6510e-11 Rsun |
| light-minute | 1.4121e-12 lmin |
| astronomical unit | 1.6979e-13 AU |
| light-year | 2.6848e-18 ly |
| parsec | 8.2316e-19 pc |
| kiloparsec | 8.2316e-22 kpc |
| megaparsec | 8.2316e-25 Mpc |
| gigaparsec | 8.2316e-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 |