Flood Risk Calculator

Estimate a simple flood risk level based on rainfall, elevation, drainage, and surface type.

Estimated strong rainfall in one day.
Lower areas usually flood more easily.
Storm drains and runoff channels matter.
Hard surfaces increase runoff.
Nearby water can raise flood exposure.
Lower floors are more vulnerable.
How we calculate

This is a simplified educational estimate using rainfall, elevation, drainage, surface type, and location exposure.