Cm to inches conversion is simple once you know the fixed rate: 1 inch equals exactly 2.54 centimetres. The box above opens already set to centimetres to inches, so you get the answer without doing the maths by hand.
How to convert cm to inches
- Type the number of centimetres into the box above.
- Leave the units as they are; the box opens set to centimetres to inches by default.
- Read the answer in inches, which updates as you type.
Why you need a cm to inches converter
- Checking a US or UK clothing or shoe size chart that lists inches, not centimetres.
- Seeing if a suitcase, box or piece of furniture will fit a space measured in inches.
- Reading a screen size, phone size or photo frame size given in inches.
- Following a woodworking, tailoring or DIY plan that mixes cm and inch measurements.
One box, every unit
The same unit converter handles more than cm to inches. Switch it to mm to inches for smaller measurements, feet to meters for room sizes, or kg to lbs and celsius to fahrenheit for weight and temperature. It also covers volume, area, including gaj, cent and guntha, speed, time, data and 60 more kinds of unit, working as a length converter, weight converter and temperature converter all in one page.
What you get
The tool runs in your browser, on Toolsitz’s own servers, with no account to create and no watermark on the result. Any file you convert alongside it is deleted within an hour. It works the same whether you need a metric converter for a school project or a quick check at home.
Questions people ask
What is the formula for cm to inches?
Divide the centimetre value by 2.54. So 10 cm is 10 divided by 2.54, which is 3.94 inches. The box above does this for you instantly.
Is the cm to inches conversion on this page exact?
Yes. It uses the exact definition, 1 inch equals 2.54 cm, so the answer is not rounded off unless you round it yourself.
Does this unit converter also do kg to lbs?
Yes. Switch the box above from length to weight and choose kilograms and pounds; it converts the same way it does cm to inches.
Can I convert mm to inches on the same page?
Yes. Millimetres are part of the same length converter, so change the left-hand unit from centimetres to millimetres and the box updates at once.
Does the tool convert feet to meters and celsius to fahrenheit too?
Yes. The same unit converter covers feet to meters, celsius to fahrenheit, and dozens of other unit types beyond length.
Is there a fee to use this converter?
No. It is free, needs no account or sign-up, and does not add a watermark to any result.
Updated 24 September 2026.