circular inch to cm²
39 unitsResult5.067075e+0
5.067075cm²
1 circular inch × 5.067075 = 5.067075 cm²
Convert Circular inch to Square centimeter (circular inch to cm²)
1 circular inch = 5.067075 square centimeters. Convert circular inch to square centimeters instantly, with the exact factor, the formula and a reference table of common values.
Formula
square centimeters = circular inch × 5.067075
circular inch to cm² conversion table
| circular inch | cm² |
|---|---|
| 1 circular inch | 5.067075 cm² |
| 2 circular inch | 10.13415 cm² |
| 3 circular inch | 15.201225 cm² |
| 5 circular inch | 25.335375 cm² |
| 10 circular inch | 50.67075 cm² |
| 20 circular inch | 101.3415 cm² |
| 50 circular inch | 253.35375 cm² |
| 100 circular inch | 506.7075 cm² |
| 250 circular inch | 1266.76875 cm² |
| 500 circular inch | 2533.5375 cm² |
| 1000 circular inch | 5067.075 cm² |
What is a circular inch?
A circular inch is the area of a circle one inch in diameter — about 0.0005067 square meters, slightly less than a square inch.
Measuring round things by their diameter keeps the math simple, so the unit turns up in older engineering tables for pipes, rods and cables.