CM to Inches Converter
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Need to convert centimeters (cm) to inches (in) for a measurement, product size, height, or DIY project? This cm to inches converter gives you an accurate result immediately—no manual math required. Enter any value in centimeters and you’ll get the equivalent in inches, including a decimal-friendly result for precise measurements.
Centimeters and inches are both common length units, but they’re used in different systems: centimeters are part of the metric system, while inches are used in the US customary and imperial systems. If you prefer to do the calculation yourself, the conversion is simple: 1 inch = 2.54 cm, so inches = centimeters ÷ 2.54. On this page you’ll also find examples and a small conversion table for common values, which is helpful when you need quick estimates.
For related tools, see the reverse conversion (inches to cm), plus other length converters like mm to inches and meters to feet.
Formula
in = cm ÷ 2.54
Examples
- 10 cm = 10 ÷ 2.54 = 3.9370 in
- 50 cm = 19.6850 in
- 170 cm ≈ 66.9291 in
Quick conversion table
FAQ
What is 1 cm in inches?
1 cm is about 0.3937 inches.
How do I convert cm to inches?
Divide centimeters by 2.54.
Why is 2.54 used in the formula?
Because 1 inch is defined as exactly 2.54 centimeters.
Can I convert height like 170 cm to inches?
Yes—enter 170 cm to get the inch value (and you can round as needed).