📏 Length converter
Inches to Centimeters Converter
Convert inches (in) to centimeters (cm) instantly. Includes formula, worked example, and a full reference chart from 1 to 1000 in.
Inches
in
Centimeters
cm
How to convert inches to centimeters
An inch is exactly 2.54 centimeters by international agreement (since 1959). To convert any length in inches to centimeters, multiply the number of inches by 2.54.
Formula
centimeters = inches × 2.54
Worked example
Convert 5 in to cm:
5 in × 2.54 → 12.7 cm
5 in × 2.54 → 12.7 cm
Common inches to centimeters values
Quick reference for common inch values:
- 1 in = 2.54 cm
- 5 in = 12.7 cm
- 10 in = 25.4 cm
- 100 in = 254 cm
Inches to Centimeters conversion table
Full reference chart — useful for cooking, fitness, engineering, or homework.
| Inches | Centimeters |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 75 in | 190.5 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1,270 cm |
| 1000 in | 2,540 cm |
Centimeters to Inches table (reverse)
Looking the other way? Here's the reverse conversion:
| Centimeters | Inches |
|---|---|
| 1 cm | 0.393701 in |
| 2 cm | 0.787402 in |
| 3 cm | 1.181102 in |
| 5 cm | 1.968504 in |
| 10 cm | 3.937008 in |
| 20 cm | 7.874016 in |
| 25 cm | 9.84252 in |
| 50 cm | 19.685039 in |
| 75 cm | 29.527559 in |
| 100 cm | 39.370079 in |
| 250 cm | 98.425197 in |
| 500 cm | 196.850394 in |
| 1000 cm | 393.700787 in |
Frequently asked questions
How many centimeters are in 1 inch?
There are 2.54 cm in 1 in.
How many centimeters are in 10 inches?
10 in = 25.4 cm.
How many inches are in 1 centimeter?
1 cm = 0.393701 in.
What is the formula to convert inches to centimeters?
The formula is centimeters = inches × 2.54.