Convert inch to centimeter

1 in = 2.54 cm

1 in = 2.54 cm
1 in in every length unit
Planck length1.5715e+33 lP
femtometer25,400,000,000,000 fm
picometer25,400,000,000 pm
bohr radius479,990,000 a0
angstrom254,000,000 Å
nanometer25,400,000 nm
micrometer25,400 μm
thou1,000 thou
point72 pt
millimeter25.4 mm
pica6 pc
centimeter2.54 cm
inch1 in
decimeter0.254 dm
hand0.25 hh
link0.12626 li
foot0.083333 ft
US survey foot0.083333 ftUS
yard0.027778 yd
meter0.0254 m
fathom0.013889 ftm
rod0.0050505 rd
chain0.0012626 ch
cable length0.00013715 cb
furlong0.00012626 fur
kilometer0.0000254 km
mile0.000015783 mi
nautical mile0.000013715 nmi
league0.0000052609 lea
megameter2.5400e-08 Mm
Earth radius3.9868e-09 REarth
light-second8.4725e-11 ls
lunar distance6.6077e-11 LD
solar radius3.6510e-11 Rsun
light-minute1.4121e-12 lmin
astronomical unit1.6979e-13 AU
light-year2.6848e-18 ly
parsec8.2316e-19 pc
kiloparsec8.2316e-22 kpc
megaparsec8.2316e-25 Mpc
gigaparsec8.2316e-28 Gpc
How the conversion works

Multiply by 2.54 to go from inch to centimeter, 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? centimeter to inch — 1 cm = 0.3937007874 in.

inch to centimeter — common values
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
5 in12.7 cm
10 in25.4 cm
15 in38.1 cm
20 in50.8 cm
25 in63.5 cm
50 in127 cm
75 in190.5 cm
100 in254 cm
250 in635 cm
500 in1,270 cm
1000 in2,540 cm