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CM to inches●

Centimetres in. Inches out. Convert dimensions in a moment.

Length

VALUE

Use a decimal point (2.54), scientific notation (1e3), or feet + inches (5 ft 11 in).

FROM

RESULTPrecision

24 cm =

9.44881889764 in

1 cm = 0.393700787402 in

Try a value

Pick an example to start

The formula

inches = centimetres ÷ 2.54

One international inch is exactly 2.54 centimetres. Divide the number of centimetres by 2.54 to get inches.

A worked example

For 24 cm, divide 24 by 2.54. The result is approximately 9.448819 inches.

24 ÷ 2.54 ≈ 9.448819 in

Quick reference

Reference values are rounded to 6 decimal places. Use the converter above for other values or precision.

CM to inches
Centimetres (cm)	Inches (in)
1	0.393701
2.54	1
5	1.968504
10	3.937008
20	7.874016
24	9.448819
30	11.811024
50	19.685039
100	39.370079

All equivalent units15 supported units

The same value, in every supported unit.

Picometres240,000,000,000 pm

Ångströms2,400,000,000 Å

Nanometres240,000,000 nm

Micrometres240,000 µm

Millimetres240 mm

Centimetres24 cm

Decimetres2.4 dm

Metres0.24 m

Kilometres0.00024 km

Thou / mil (0.001 inch)9,448.81889764 thou

Inches9.44881889764 in

Feet0.787401574803 ft

Yards0.262467191601 yd

Miles0.000149129086137 mi

Nautical miles0.000129589632829 nmi

Length conversions

GOOD TO KNOW

For the dimensions in front of you.

Use this conversion for product dimensions, screen diagonals and everyday measurements. By default, results use decimal inches: 9.5 inches means nine and a half inches. Choose Fractions in Precision to display inches rounded to the nearest 1/16.

Calculation details & precision

Length conversions use metres as the base unit. The international inch is exactly 0.0254 m; a foot is 12 inches, an international mile is 1,609.344 m, and an international nautical mile is 1,852 m.

Automatic displays up to 12 significant digits. Choose 2, 4 or 6 decimal places in Precision for a shorter result. Displayed results are rounded; very large or small values use scientific notation.

Common questions

Do I multiply or divide by 2.54?

Divide centimetres by 2.54 to get inches. In the other direction, multiply inches by 2.54 to get centimetres.

How many inches are in 100 cm?

100 cm is approximately 39.370079 inches. The converter can display more significant digits or round the result to a chosen number of decimal places.