Convert inch (in) to centimeter (cm), or swap the units to reverse the calculation.
Printed from Calxy · https://www.calxy.net/conversion/inches-to-cm
Inch → Centimeter
2.54 cm
1 inch = 2.54 centimeters
1 inch = 2.54 centimeters (exact definition; display rounded)
Millimeter (mm)25.4
Centimeter (cm)2.54
Meter (m)0.0254
Kilometer (km)0.000025
Micrometer (µm)25400
Nanometer (nm)25400000
Inch (in)1
Foot (ft)0.083333
Yard (yd)0.027778
Mile (mi)0.000016
Nautical mile (nmi)0.000014
Light-year (ly)2.684782e-18
How to convert inches to centimeters
Multiply in by 2.54 to get cm. The displayed factor is rounded; the calculator uses the full stored conversion factor.
Multiply inches by exactly 2.54. For feet-and-inches, first multiply feet by 12 and add the remaining inches.
Worked example
12 in = 30.48 cm. To reverse it, enter the unrounded output and select Swap units. Round only the final result; converting an already-rounded result back may not reproduce the original exactly.
Conversion table in both directions
in and cm reference values
Input
in → cm
cm → in
1
2.54
0.3937007874
2
5.08
0.7874015748
5
12.7
1.968503937
10
25.4
3.937007874
20
50.8
7.874015748
25
63.5
9.842519685
50
127
19.6850393701
100
254
39.3700787402
500
1,270
196.8503937008
1000
2,540
393.7007874016
Last updated . Results are estimates for informational purposes only.