Convert inches to cm
1 inches = 2.54 cm. Type any value below, or use the chart.
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Inches to cm chart
| Inches | Cm |
|---|---|
| 1 inches | 2.54 cm |
| 2 inches | 5.08 cm |
| 3 inches | 7.62 cm |
| 4 inches | 10.16 cm |
| 5 inches | 12.7 cm |
| 6 inches | 15.24 cm |
| 8 inches | 20.32 cm |
| 10 inches | 25.4 cm |
| 12 inches | 30.48 cm |
| 24 inches | 60.96 cm |
| 36 inches | 91.44 cm |
| 48 inches | 121.92 cm |
Formula
cm = inches × 2.54. To go the other way, divide by 2.54 (1 cm = 0.3937 inches).
Since 1959 the inch has been defined as exactly 2.54 cm, so this conversion is exact, not rounded.
Units here: Inches → Centimetres. The converter above also handles every other length unit.
Frequently asked questions
How many centimetres are in an inch?
Exactly 2.54 cm. The inch has been defined that way since 1959.
How do I convert kg to lbs?
Multiply kilograms by 2.20462. For example, 23 kg × 2.20462 ≈ 50.7 lb.
What’s the formula for Celsius to Fahrenheit?
°F = °C × 9/5 + 32. So 20 °C is 68 °F and 37 °C is 98.6 °F.
Are these US or imperial gallons?
Both are available. “Gallons (US)” is 3.785 L and “Gallons (UK)” is 4.546 L.
Why does my 1 TB drive show less space?
The drive is sold in decimal terabytes, but your computer reports binary tebibytes. 1 TB = 0.909 TiB, so you see about 931 GB.