inches to cm converter - fractional or decimal format

Centimeter or centimetre [cm] is a unit of length from the SI system of units. It is defined as one hundredth (1/100) of the meter. The meter [m], is the base unit of length in SI system, defined as the distance traveled by light in vacuum in seconds.

Besides [cm], other multiple and fraction units of the metre are defined through the decimal SI prefixes, as shown in the table:

Unit	Symbol	[m]
Nanometer	nm	10^-9
Micrometer	μm	10^-6
Millimeter	mm	0.001
Centimeter	cm	0.01
Hectometer	hm	100
Kilometer	km	1000
Megameter	Mm	10⁶

Unit of inch

Inch [in] is a unit of length for the Imperial and US customary system of units. It was historically conceived as the length of 3 barley-corns. Today, it is defined through the meter SI unit as: 1 in = 0.0254 m (= 2.54 cm = 25.4 mm).

Multiple units of the inch are defined as shown in the table:

Unit	Symbol	[in]
Foot	ft	12
Yard	yd	36
Mile	mi	63360

How to convert inches to cm

Multiply distance in [in] with 2.54
The result is the distance in cm

For example to convert 20 inches to cm: cm

How to convert cm to inches

Divide distance in [cm] by 2.54
The result is the distance in inches

For example to convert 50 cm to inches: inches

Conversion chart - inches to cm

The following chart can be used to convert from inches to cm. A typical cell in the table gives the conversion in cm for X Y/Z inches, defined as:

X (whole inches) given in the 1st cell of the row
Y/Z (fractional part) given in column head

inch to cm
	0	1/16"	1/8"	3/16"	1/4"	5/16"	3/8"	7/16"	1/2"	9/16"	5/8"	11/16"	3/4"	13/16"	7/8"	15/16"
0"	0	0.159	0.318	0.476	0.635	0.794	0.953	1.11	1.27	1.43	1.59	1.75	1.91	2.06	2.22	2.38	0"
1"	2.54	2.7	2.86	3.02	3.17	3.33	3.49	3.65	3.81	3.97	4.13	4.29	4.45	4.6	4.76	4.92	1"
2"	5.08	5.24	5.4	5.56	5.71	5.87	6.03	6.19	6.35	6.51	6.67	6.83	6.99	7.14	7.3	7.46	2"
3"	7.62	7.78	7.94	8.1	8.26	8.41	8.57	8.73	8.89	9.05	9.21	9.37	9.53	9.68	9.84	10	3"
4"	10.2	10.3	10.5	10.6	10.8	11	11.1	11.3	11.4	11.6	11.7	11.9	12.1	12.2	12.4	12.5	4"
5"	12.7	12.9	13	13.2	13.3	13.5	13.7	13.8	14	14.1	14.3	14.4	14.6	14.8	14.9	15.1	5"
6"	15.2	15.4	15.6	15.7	15.9	16	16.2	16.4	16.5	16.7	16.8	17	17.1	17.3	17.5	17.6	6"
7"	17.8	17.9	18.1	18.3	18.4	18.6	18.7	18.9	19.1	19.2	19.4	19.5	19.7	19.8	20	20.2	7"
8"	20.3	20.5	20.6	20.8	21	21.1	21.3	21.4	21.6	21.7	21.9	22.1	22.2	22.4	22.5	22.7	8"
9"	22.9	23	23.2	23.3	23.5	23.7	23.8	24	24.1	24.3	24.4	24.6	24.8	24.9	25.1	25.2	9"
10"	25.4	25.6	25.7	25.9	26	26.2	26.4	26.5	26.7	26.8	27	27.1	27.3	27.5	27.6	27.8	10"
11"	27.9	28.1	28.3	28.4	28.6	28.7	28.9	29.1	29.2	29.4	29.5	29.7	29.8	30	30.2	30.3	11"
12"	30.5	30.6	30.8	31	31.1	31.3	31.4	31.6	31.8	31.9	32.1	32.2	32.4	32.5	32.7	32.9	12"
	0	1/16"	1/8"	3/16"	1/4"	5/16"	3/8"	7/16"	1/2"	9/16"	5/8"	11/16"	3/4"	13/16"	7/8"	15/16"
1inch = 2.54cm **** 10 cm ≈ 4 in

How to use the above chart

Let's say that we want to convert 3 ¼ inches to cm. First we select 3 whole inches by the respective row in the chart (row starting with 3"). Then, we look for the column having ¼ at its head. The selected cell has a value of 8.26. Therefore, we conclude that 3 ¼ inches are equal to 8.26cm.

Conversion table from cm to inches

In the following table some typical distances in centimeters are converted to inches:

[cm]	[in]
0.1	0.03937
0.25	0.09843
0.5	0.1969
0.75	0.2953
1	0.3937
2	0.7874
3	1.181
5	1.969
10	3.937
12	4.724
20	7.874
30	11.81
40	15.75
50	19.69

Conversion table from inches to cm

In the following table some typical distances in inches are converted to centimeters:

[in]	[cm]
0.125	0.3175
0.25	0.635
0.375	0.9525
0.5	1.27
1	2.54
2	5.08
3	7.62
5	12.7
10	25.4
12	30.48
20	50.8
30	76.2
50	127

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Inches to Centimeters - converter

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Unit of centimeter