Inches to centimeters converter
Convert inches to centimeters, or the other way round. For screen sizes, clothing, furniture and hardware listed in US measurements.
Formula
cm = inches × 2.54
Multiply by 2.5 and add a little. 10 inches is 25 cm plus 0.4, so 25.4 cm.
Conversion chart
| inches | cm |
|---|---|
| 0.25 inches | 0.64 cm |
| 0.5 inches | 1.27 cm |
| 1 inches | 2.54 cm |
| 2 inches | 5.08 cm |
| 3 inches | 7.62 cm |
| 4 inches | 10.16 cm |
| 6 inches | 15.24 cm |
| 8 inches | 20.32 cm |
| 10 inches | 25.4 cm |
| 12 inches | 30.48 cm |
| 15.6 inches | 39.62 cm |
| 24 inches | 60.96 cm |
| 32 inches | 81.28 cm |
| 55 inches | 139.7 cm |
| 60 inches | 152.4 cm |
| 72 inches | 182.88 cm |
Good to know
- One inch is exactly 2.54 cm.
- One foot is 12 inches, which is 30.48 cm.
- A 15.6-inch laptop screen measures 39.6 cm across the diagonal.
- Someone who is 5 ft 10 in tall is 70 inches, or 177.8 cm.
Never convert by hand again
Herewise is a free Chrome extension that puts the converted value next to measurements on every web page, in the units you prefer. No account, and nothing you read leaves your browser.
Questions
How many cm is 1 inch?
One inch is exactly 2.54 cm.
How many cm is 6 feet?
6 feet is 72 inches, which is 182.88 cm.
How many inches is 30 cm?
30 cm is 11.81 inches.
Can I see cm automatically on web pages?
Yes. Herewise is a free Chrome extension that adds the converted value next to measurements on any page you read, in the system you prefer.