1 inch to centimeters
1 in = 2.54 cm. Change the amount below, or read the formula and the reference table further down.
1 inch equals
centimeters
1 in = 2.54 cm
The formula
Inches and centimeters both measure length from the same zero, so a single multiplier does the job.
cm = in × 2.54
Going the other way? Convert centimeters to inches.
Inches to centimeters table
Values either side of 1 in.
| Inches (in) | Centimeters (cm) |
|---|---|
| -4 | -10.16 |
| -3.5 | -8.89 |
| -3 | -7.62 |
| -2.5 | -6.35 |
| -2 | -5.08 |
| -1.5 | -3.81 |
| -1 | -2.54 |
| -0.5 | -1.27 |
| 0 | 0 |
| 0.5 | 1.27 |
| 1 | 2.54 |
| 1.5 | 3.81 |
| 2 | 5.08 |
| 2.5 | 6.35 |
| 3 | 7.62 |
| 3.5 | 8.89 |
| 4 | 10.16 |
| 4.5 | 11.43 |
| 5 | 12.7 |
| 5.5 | 13.97 |
| 6 | 15.24 |
Questions people ask
- How many centimeters are in a inch?
- One inch equals 2.54 centimeters.
- How do I convert inches to centimeters by hand?
- Multiply the number of inches by 2.54. For a rough check, 2.5 is close enough for most everyday use.
- What is 1 inch in centimeters?
- 1 inch is 2.54 centimeters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.