Convert CM to Inches

Convert centimetres to inches, with a fraction option.

Direction

Value in centimetre (cm)

Decimal places

175 cm in inch

68.8976 in

Conversion factor

1 cm = 0.39370079 in

Reverse factor

1 in = 2.54 cm

Also written as

5 ft 8.9 in

in = cm × 0.39370079 — 175 × 0.39370079 = 68.8976

One inch is exactly 2.54 centimetres by international definition, so this conversion involves no approximation.

Quick reference table.
cm	in
0.5	0.1969
1	0.3937
2	0.7874
3	1.1811
4	1.5748
5	1.9685
10	3.937
15	5.9055
20	7.874
25	9.8425
30	11.811
40	15.748
50	19.685
75	29.5276
100	39.3701
150	59.0551
200	78.7402
500	196.8504
1000	393.7008

What does CM to Inches Converter do?

Convert centimetres to inches using the exact 2.54 definition. Results are available as a decimal and as the nearest sixteenth of an inch, which is what tape measures and workshop drawings actually use.

How to Use CM to Inches Converter

1
Enter a value in centimetresDecimals are fine.
2
Read the inchesDecimal and fractional forms are shown.
3
Check the tableFor common values at a glance.

Key Features

Exact conversion using 1 inch = 2.54 cm
Decimal inches and the nearest 1/16, 1/8 or 1/4 fraction
Feet and inches breakdown for larger values
Reference table from 1 cm to 200 cm
Reverse conversion in the same tool

Frequently Asked Questions

How many inches is 1 cm?

0.393701 inches, from dividing by exactly 2.54. Roughly, four centimetres is a little over an inch and a half.

How do I convert my height from cm to feet and inches?

Divide by 2.54 for total inches, then divide by 12 for feet with the remainder as inches. 175 cm is 68.9 inches, which is 5 feet 8.9 inches. The feet-and-inches output does this for you.

Why are inches shown as fractions?

Because imperial tape measures and workshop drawings are marked in sixteenths, not decimals. 12.7 cm is 5 inches exactly; 13 cm is 5 1/8 inches to the nearest sixteenth.

Is 2.54 exact or rounded?

Exact. The international yard and pound agreement of 1959 defined the inch as precisely 25.4 millimetres, so this conversion has no approximation in it at all.