Landscaping Tools

IrrigationCalculator

Calculate sprinkler heads, zones, pipe, and coverage for lawn irrigation systems. Includes drip irrigation and controller calculations.

Irrigation System

System Design

Sprinkler Heads0heads
Zones Needed0zones
Pipe Length (est)0 ft
Valves Needed0
Backflow Preventer1 unit
Controller/Timer1 unit
Wire (ft)0 ft
System Cost$0

Head Coverage

  • Rotor: 25-35 ft radius
  • Spray: 8-15 ft radius
  • MP Rotator: 13-30 ft
  • Drip: 1 GPH per emitter

Formula

Heads = Area ÷ (Spacing² × 0.6)

Zones = Total GPM ÷ Available GPM

Pipe ≈ Perimeter + (Heads × 10)

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