Estimate weekly sprinkler time and water for your lawn.
The lawn's water volume comes from area times weekly inches, and dividing by sprinkler flow converts that into run time. Lawns drink a surprising amount of water, so a sprinkler schedule keeps grass healthy without running it longer than needed.
Lawn Water Requirement
Gallons = area x inches x 0.623; time = gallons / sprinkler gpm
Gallons = area x inches x 0.623; time = gallons / sprinkler gpm The lawn's water volume comes from area times weekly inches, and dividing by sprinkler flow converts that into run time.
Lawns drink a surprising amount of water, so a sprinkler schedule keeps grass healthy without running it longer than needed.
This calculator takes 4 inputs: Lawn area, Water per week, Sprinkler flow, Water price. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.