CM to Inches Converter
Convert a centimeter measurement to inches instantly. Enter a value below, or check the reference table for common heights and measurements.
Formula: inches = cm ÷ 2.54
Common centimeters to inches conversions
| Centimeters | Inches |
|---|---|
| 1 cm | 0.393701 in |
| 2.54 cm | 1 in |
| 5 cm | 1.9685 in |
| 10 cm | 3.93701 in |
| 15 cm | 5.90551 in |
| 20 cm | 7.87402 in |
| 30 cm | 11.811 in |
| 50 cm | 19.685 in |
| 100 cm | 39.3701 in |
| 180 cm | 70.8661 in |
Need the other direction? Convert inches to centimeters or use the full Unit Converter for length, weight, temperature, area, volume and speed.
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How to use cm to inches converter
- 1Enter a value in centimeters.
- 2The equivalent in inches appears instantly below.
- 3Use the swap button if you'd rather start from inches.
- 4Copy the result, or check the reference table for common sizes.
About this tool
One inch is defined as exactly 2.54 centimeters, so converting cm to inches is a simple division: divide the centimeter value by 2.54. This exact ratio is set by international agreement, not rounded, so the conversion here is precise rather than an approximation.
Centimeters are the everyday metric unit for body measurements, clothing and small objects, while inches remain standard in the US for the same things — this comes up constantly when reading a height, a screen size, or a furniture dimension listed in the "wrong" unit for where you live.
The reference table below covers common heights and measurements so you can check a familiar value at a glance without typing anything.
Frequently asked questions
1 centimeter equals exactly 0.3937 inches (1 ÷ 2.54).