Centimeters to inches

inches = centimeters × 0.39370079

How to convert centimeters to inches

One centimeter is 0.39370079 inches, so multiply the number of centimeters by 0.39370079. For example, 20 centimeters is 20 × 0.39370079 = 7.874016 inches. To go back, divide by the same number, or multiply by 2.54.

Quick estimate

Multiplying by about 0.4 gets within 1.6% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

centimeters	inches
1 cm	0.39370079 in
2 cm	0.78740157 in
3 cm	1.181102 in
4 cm	1.574803 in
5 cm	1.968504 in
6 cm	2.362205 in
7 cm	2.755906 in
8 cm	3.149606 in
9 cm	3.543307 in
10 cm	3.937008 in
11 cm	4.330709 in
12 cm	4.724409 in
13 cm	5.11811 in
14 cm	5.511811 in
15 cm	5.905512 in
16 cm	6.299213 in
17 cm	6.692913 in
18 cm	7.086614 in
19 cm	7.480315 in
20 cm	7.874016 in
25 cm	9.84252 in
30 cm	11.811024 in
40 cm	15.748031 in
50 cm	19.685039 in
60 cm	23.622047 in
70 cm	27.559055 in
75 cm	29.527559 in
80 cm	31.496063 in
90 cm	35.433071 in
100 cm	39.370079 in
120 cm	47.244094 in
150 cm	59.055118 in
200 cm	78.740157 in
250 cm	98.425197 in
300 cm	118.110236 in
400 cm	157.480315 in
500 cm	196.850394 in
750 cm	295.275591 in
1,000 cm	393.700787 in
1,500 cm	590.551181 in
2,000 cm	787.401575 in
5,000 cm	1,968.5 in
10,000 cm	3,937.01 in

Questions

How many inches are in a centimeter?

0.39370079 inches.

How do I convert centimeters to inches in a spreadsheet?

Put the value in A1 and type =A1*0.39370079, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.