1 square centimeter to square inches
1 cm² = 0.15500031 in². Change the amount below, or read the formula and the reference table further down.
1 square centimeter equals
square inches
1 cm² = 0.15500031 in²
The formula
Square centimeters and square inches both measure area from the same zero, so a single multiplier does the job.
in² = cm² × 0.15500031
Going the other way? Convert square inches to square centimeters.
Square centimeters to square inches table
Values either side of 1 cm².
| Square centimeters (cm²) | Square inches (in²) |
|---|---|
| -4 | -0.620001 |
| -3.5 | -0.542501 |
| -3 | -0.465001 |
| -2.5 | -0.387501 |
| -2 | -0.310001 |
| -1.5 | -0.2325 |
| -1 | -0.155 |
| -0.5 | -0.0775 |
| 0 | 0 |
| 0.5 | 0.0775 |
| 1 | 0.155 |
| 1.5 | 0.2325 |
| 2 | 0.310001 |
| 2.5 | 0.387501 |
| 3 | 0.465001 |
| 3.5 | 0.542501 |
| 4 | 0.620001 |
| 4.5 | 0.697501 |
| 5 | 0.775002 |
| 5.5 | 0.852502 |
| 6 | 0.930002 |
Questions people ask
- How many square inches are in a square centimeter?
- One square centimeter equals 0.15500031 square inches.
- How do I convert square centimeters to square inches by hand?
- Multiply the number of square centimeters by 0.15500031. For a rough check, 0.155 is close enough for most everyday use.
- What is 1 square centimeter in square inches?
- 1 square centimeter is 0.15500031 square inches.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.