Verified August 26, 2026

Watering calculators

Anonymous, free, and every result prints the formula that produced it. Built on the same verified state datasets as the rest of the site.

Sprinkler run time calculatorHow many minutes to run each zone, from your climate, plants and nozzle type, split across the days you are allowed to water.Water budget calculatorYearly water use for a landscape project against the state budget cap, zone by zone, with the math shown.