Inches to CM Converter
Convert inches to centimeters using the exact definition that 1 inch equals 2.54 centimeters.
in
Centimeters
2.54cm
Formulacentimeters = inches × 2.54
Quick values
Quick conversion table
| Inches | Centimeters |
|---|---|
| 1 in | 2.54 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 30 in | 76.2 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
| 180 in | 457.2 cm |
How to use the Inches to CM Converter
- Enter a measurement in inches.
- The converter multiplies the inch value by 2.54.
- Adjust decimal precision if needed.
- Copy the result or swap units for the reverse conversion.
Examples
1 inch to cm
1 inch × 2.54 = exactly 2.54 cm.
12 inches to cm
12 inches × 2.54 = 30.48 cm.
24 inches to cm
24 inches × 2.54 = 60.96 cm.
Frequently asked questions
How many centimeters are in one inch?
There are exactly 2.54 centimeters in one inch.
How do I convert inches to centimeters?
Multiply the number of inches by 2.54.
How many centimeters is 12 inches?
Twelve inches equals exactly 30.48 centimeters.
Can this calculator convert cm back to inches?
Yes. Tap Swap to reverse the conversion.
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