cm to inches converter

1 cm = 0.393701 in; 1 in = 2.54 cm (exact). To convert cm to inches, divide by 2.54.

Open the interactive OmniConvert tool →

Formula: in = cm / 2.54

Conversion table

Common cm to in conversions:

1 cm0.393701 in
2 cm0.787402 in
3 cm1.1811 in
4 cm1.5748 in
5 cm1.9685 in
6 cm2.3622 in
7 cm2.75591 in
8 cm3.14961 in
9 cm3.54331 in
10 cm3.93701 in
15 cm5.90551 in
20 cm7.87402 in
25 cm9.84252 in
50 cm19.685 in
100 cm39.3701 in
1000 cm393.701 in

Reverse: in to cm

1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
4 in10.16 cm
5 in12.7 cm
6 in15.24 cm
7 in17.78 cm
8 in20.32 cm
9 in22.86 cm
10 in25.4 cm
15 in38.1 cm
20 in50.8 cm
25 in63.5 cm
50 in127 cm
100 in254 cm
1000 in2540 cm

Key facts

1 centimetre0.393701 in
1 inch2.54 cm (exact)
Formulain = cm / 2.54
10 cm3.93701 in

Frequently asked questions

How many inches is 1 cm?

1 cm equals 0.393701 inches. Divide any centimetre value by 2.54 to get inches.

Is the inch exactly 2.54 cm?

Yes. Since 1959 the international inch is defined as exactly 2.54 cm, so the conversion is exact.

How do I convert cm to inches?

Divide the centimetre value by 2.54. For example, 30 cm / 2.54 = 11.811 in.

Related pages

cm to inches is part of OmniConvert on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.

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