| Centimetres (cm) | Inches (in) | Feet & Inches |
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To convert centimetres to inches, multiply by 0.393701. One inch is exactly 2.54 centimetres, so the conversion is:
This is an exact conversion — there is no rounding in the definition. One inch = 2.54 cm exactly.
Some useful reference points to help you visualise the conversion:
Converting centimetres to inches is straightforward. One inch is defined as exactly 2.54 centimetres, which means one centimetre equals approximately 0.3937 inches. To convert any measurement in centimetres to inches, simply multiply the number of centimetres by 0.393701.
For example, 10 centimetres is 10 × 0.393701 = 3.937 inches. 30 centimetres (roughly the length of a standard ruler) equals 11.81 inches. 180 centimetres (a typical adult height) equals 70.87 inches, or 5 feet 11 inches.
The centimetre is the standard unit of length in the metric system, used across most of the world. The inch is the standard unit in the imperial system, used primarily in the United States, United Kingdom, and a handful of other countries. You'll commonly need to convert between the two when shopping for clothing or shoes with international sizing, measuring furniture for a room, reading product specifications from overseas manufacturers, or following recipes or craft patterns from another country.
1 centimetre is equal to 0.393701 inches, or approximately 25/64 of an inch. The exact conversion is 1 inch = 2.54 cm, so 1 cm = 1 ÷ 2.54 = 0.393701 inches.
There are exactly 2.54 centimetres in one inch. This is an exact definition — the inch was officially redefined in terms of the metre in 1959, making 1 inch = 2.54 cm exactly.
First convert cm to total inches (multiply by 0.393701). Then divide by 12 to get feet and take the remainder as inches. For example, 175 cm = 68.898 inches = 5 feet 8.9 inches.
Yes. One centimetre equals exactly 10 millimetres. So to convert millimetres to inches, divide by 10 first to get centimetres, then multiply by 0.393701.
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