Irrigation Calculators

Free calculators for every step of irrigation planning, organized the way a system is built: measure your water flow, size sprinkler and drip zones, set run times, budget the water and check the design.

Water Flow

Irrigation Flow CalculatorFree irrigation flow calculator. GPM CalculatorMeasure available water flow in GPM with the bucket test. Pipe Flow CalculatorCheck water velocity and friction loss for irrigation pipe. Water Flow CalculatorConvert measured water velocity and pipe size into flow.

Sprinklers

Sprinkler CalculatorFree sprinkler calculator. Sprinkler Zone CalculatorFree sprinkler zone calculator. Sprinkler Head CalculatorFree sprinkler head calculator. Sprinkler Run Time CalculatorFree sprinkler run time calculator. Sprinkler Application Rate CalculatorFree sprinkler application rate calculator. Lawn Watering CalculatorFree lawn watering calculator.

Drip Irrigation

Drip Irrigation CalculatorFree drip irrigation calculator. Drip Irrigation Run Time CalculatorFree drip irrigation run time calculator. Drip Emitter CalculatorFree drip emitter calculator. Drip Line Flow CalculatorFree drip line flow calculator.

Water Usage

Irrigation Water Budget CalculatorFree irrigation water budget calculator. Irrigation Water Use CalculatorFree irrigation water use calculator. Irrigation Cost CalculatorFree irrigation cost calculator.

System Design

Irrigation Run Time CalculatorFree irrigation run time calculator. GPM to PSI CalculatorConvert GPM into the PSI you will lose along a pipe. Sprinkler Coverage CalculatorFree sprinkler coverage calculator.