Rain Garden Sizing Calculator

Calculate the required size of a residential or commercial rain garden to capture and infiltrate runoff from roofs, driveways, and paved surfaces

Each component has a specific meaning:

• Roofs — The roofs recorded for the patient or scenario being assessed.
• Driveways — The driveways recorded for the patient or scenario being assessed.
• Paved surfaces — The paved surfaces recorded for the patient or scenario being assessed.

Note: Interpret the rain garden sizing result against the clinical thresholds and context described above.

Enter the roofs, driveways, paved surfaces for the patient or scenario you are assessing. Calculate the required size of a residential or commercial rain garden to capture and infiltrate runoff from roofs, driveways, and paved surfaces. Use the rain garden sizing result to inform your clinical assessment.