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Length conversion

Centimetre to Inch

One centimetre is 0.3937 inches. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.

1 cm = 0.3937 inInstantFree

Conversion rate

1 cm = 0.3937 in

in = cm × 0.3937

Result0.3937

1 cm = 0.3937 in

1 cm in every length unit
nm10,000,000
µm10,000
mm10
cm1
m0.01
km0.00001
in0.3937
ft0.032808
yd0.010936
mi0.0000062137
nmi0.0000053996
pt28.34646
pc2.362205
px37.79528

Reference

Centimetre to Inch table

The values people look up most often, rounded for practical use.

Centimetre (cm)Inch (in)
1 cm0.3937 in
2 cm0.7874 in
3 cm1.181102 in
5 cm1.968504 in
10 cm3.937008 in
15 cm5.905512 in
20 cm7.874016 in
25 cm9.84252 in
50 cm19.68504 in
100 cm39.37008 in
250 cm98.4252 in
500 cm196.85 in
1,000 cm393.701 in

How to convert centimetres to inches

Multiply the number of centimetres by 0.3937. That is the whole calculation: in = cm × 0.3937. To go back the other way, divide instead, or multiply by 2.54.

Worked example: 12 centimetres × 0.3937 = 4.724409 inches.

Where this conversion comes up

Length conversions show up constantly in printing, DIY, engineering drawings and anything bought from a country using the other measurement system. If you are converting in order to set a page or grid size, the graph paper generator accepts spacing in millimetres directly — and the on-screen ruler lets you check a printed result against both scales.

Quick answers

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Answers

Frequently asked questions

One centimetre equals 0.3937 inches. Going the other way, one inch is 2.54 centimetres.

Use in = cm × 0.3937. The converter above applies it for you, but the formula is useful in a spreadsheet — put your value in column A and the formula in column B.

The underlying factor is the exact internationally defined value. Results are rounded for readability, so very long decimals are trimmed — but the calculation itself carries full double precision.

Yes — press the ⇄ swap button in the converter, or use the dedicated Inch to Centimetre page.

No. The converter runs entirely in your browser, there is no account, and nothing you type is sent anywhere.

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