Pipe Size
Calculator

Pipe Size vs. Drainage Coefficient
Q(c.f.s)
1/81/43/81/23/41
Single Wall Pipe
Vel.(ft/sec)
1/81/43/81/23/41
Calculated Size
1/81/43/81/23/41
Commercial Size
1/81/43/81/23/41
Dual Wall Pipe
Vel.(ft/sec)
1/81/43/81/23/41
Calculated Size
1/81/43/81/23/41
Commercial Size
1/81/43/81/23/41