| Circular inches | Square millimeters |
|---|---|
| 1 circ in | 506.7075 mm² |
| 2 circ in | 1013.415 mm² |
| 3 circ in | 1520.1225 mm² |
| 4 circ in | 2026.83 mm² |
| 5 circ in | 2533.5375 mm² |
| 6 circ in | 3040.245 mm² |
| 7 circ in | 3546.9525 mm² |
| 8 circ in | 4053.66 mm² |
| 9 circ in | 4560.3675 mm² |
| 10 circ in | 5067.075 mm² |
| Circular inches | Square millimeters |
|---|---|
| 15 circ in | 7600.6125 mm² |
| 20 circ in | 10134.15 mm² |
| 30 circ in | 15201.225 mm² |
| 40 circ in | 20268.3 mm² |
| 50 circ in | 25335.375 mm² |
| 60 circ in | 30402.45 mm² |
| 70 circ in | 35469.525 mm² |
| 80 circ in | 40536.6 mm² |
| 90 circ in | 45603.675 mm² |
| 100 circ in | 50670.75 mm² |
| Circular inches | Square millimeters |
|---|---|
| 500 circ in | 253353.75 mm² |
| 1000 circ in | 506707.5 mm² |
| 1500 circ in | 760061.25 mm² |
| 10000 circ in | 5067075 mm² |
| 50000 circ in | 25335375 mm² |
| 100000 circ in | 50670750 mm² |
| 500000 circ in | 253353750 mm² |
| 1000000 circ in | 506707500 mm² |
| 5000000 circ in | 2533537500 mm² |
| 10000000 circ in | 5067075000 mm² |