Drip Irrigation Design Calculator

Design complete drip irrigation systems with proper emitter spacing, flow rates, and pipe sizing.

Crop Type

Field Length (ft)

Field Width (ft)

Row Spacing (inches)

Emitter Spacing (inches)

Emitter Flow Rate (GPH)

Drip Tape/Tubing Type

Available Pressure (PSI)

Soil Type

Peak Daily ET (inches)

Typical peak evapotranspiration rate

System Design Results

Total System Flow

Total Area -

Number of Rows -

Total Drip Line Length -

Total Emitters -

Application Rate -

GPM per Acre -

Wetted Diameter -

Daily Run Time (peak ET) -

Water Applied per Run -

Max Lateral Length -

Recommended Main -

Submain Size -

Pump Capacity Needed -

Tip: Use pressure compensating emitters for fields with elevation changes greater than 5 feet.