Step 1:

Area A (Sq. Feet):

Area A Type:

Area B (Sq. Feet):

Area B Type:

Area C (Sq. Feet):

Area C:

Step 2:

Enter your Zip Code:

Choose the Rainfall Frequency:

Choose the Rainfall Duration:

Step 3:

Choose Your Drain Slope:

Step 4:

Press the Calculate Button for Results

Results

View Your Results Below

Peak Runoff Rate:

0 Gallons per Minute (GPM)
0 Cubic Feet per Second (CFS)

Peak Runoff Volume:

0 Gallons
0 Cubic Feet

Drainage Pipe Required (minimum diameter):

Smooth Interior: 0"
Corrugated: 0"