| Diameter | Square Inches | Number of Smalls | Step % increase | Price ($) | Cents per inch | |
| 8 | 50.26544 | 1 | - | 6.05 | 12.036102737785643 | |
| 10 | 78.53975 | 1.5625 | 156.25 | 8.9 | 11.331841519740004 | |
| 12 | 113.09723999999998 | 2.25 | 144 | 11.3 | 9.991402089034181 | |
| 14 | 153.93791 | 3.0625 | 136.11111111111111 | 14.95 | 9.711707791797355 | |
| 16 | 201.06176 | 4 | 130.6122448979592 | 18.70 | 9.300624842834361 | |
| 18 | 254.46879 | 5.0625 | 126.5625 | 23.25 | 9.136680376402935 | |
| 20 | 314.159 | 6.25 | 123.45679012345678 | 28.10 | 8.944515356873431 | |