How it's calculated
in = cm × 0.393701
factor converts the chosen metric unit to inches: mm × 0.03937, cm × 0.393701, m × 39.3701. Reverse: metric = in ÷ factor.
Common values
| Metric | Inches |
|---|---|
| 25.4 mm | 1 in |
| 10 cm | 3.937 in |
| 30 cm | 11.811 in |
| 1 m | 39.370 in |
Common questions
How many inches is one centimeter?
One centimeter is about 0.3937 inches, so roughly two and a half centimeters make an inch.
What factor converts millimeters to inches?
Divide millimeters by 25.4, which is the exact number of millimeters in an inch.