Area in square inches of round liners
| 3" | 4" | 5" | 6" | 7" | 8" | 9" | 10" | 11" | 12" |
| 7.07 | 12.56 | 19.63 | 28.26 | 38.46 | 50.25 | 63.58 | 78.50 | 94.99 | 113.14 |
Area in square inches of ovalized M-Flex liners
| Original Size of Round Liner | THE SIZE OF THE LINER OVALIZED TO | ||||||||
| 4" | 5" | 6" | 7" | 8" | 9" | 10" | 11" | ||
| 12" | 63 | 72 | 79 | 86 | 93 | 99 | 102 | 106 | |
| 11" | 57 | 65 | 72 | 78 | 83 | 87 | 92 | * | |
| 10" | 50 | 57 | 63 | 68 | 72 | 76 | * | * | |
| 9" | 43 | 50 | 53 | 56 | 61 | * | * | * | |
| 8" | 36 | 42 | 45 | 48 | * | * | * | * | |
| 7" | 32 | 34 | 36 | * | * | * | * | * | |
| 6" | 24 | 25 | * | * | * | * | * | * | |
| 5" | 18 | * | * | * | * | * | * | * | |
