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📊 System Design Calculators

Complete calculation suite for designing entire irrigation systems from scratch. Get zone counts, flow calculations, and pipe sizing all in one place.

The Complete Design Workflow

These calculators work together as an integrated suite to take you from initial measurements to a complete, shovel-ready system design. Each tool serves a specific purpose in the overall design process.

🎯 Recommended Design Workflow

  1. Measure GPM & PSI - Use our GPM measurement guide to determine available water
  2. Create Visual Layout - Build a top-down layout using the Design Tool for visual planning
  3. Design Complete System - Transfer your visual design to the Full System Calculator (includes zone calculations + parts list)
  4. Verify Pipe Sizing - Use Friction Loss Calculator to select pipe sizes for lateral line runs
  5. Generate Details - Use Details Generator to create detailed graphical component layouts for each installation step

Full System Calculator RECOMMENDED

The most comprehensive tool for designing a complete sprinkler system from scratch. This all-in-one calculator includes the zone calculator functionality plus coverage planning, head selection, and generates a complete parts list. This is where most users should start their system design.

Zone Calculator Included - Built-in zone planning (no need to use standalone Zone Calculator)
Head Selection & Spacing - Choose sprinkler types and calculate coverage
Complete Parts Lists - Shopping lists organized by zone

Perfect Pairing: System Calculator → Design Tool

The Complete Workflow: Use this calculator to determine your system requirements (zone count, head quantities, parts list), then transfer those specifications to the Visual Design Tool to create your top-down layout.

Why they work together:

  • System Calculator provides: Quantities, spacing requirements, parts needed
  • Design Tool provides: Visual layout, head placement, head spacing, installation drawings

Supporting Tools: Use the Friction Loss Calculator to verify pipe sizing for long runs, and the Details Generator for valve manifold diagrams.

What makes it complete:

Best for: Complete new system installations, major redesigns, and any project requiring a full parts list. This tool walks you through the entire design process step-by-step.

Launch Full System Calculator Go to Design Tool Next

Zone Calculator QUICK TOOL

A focused, standalone calculator for quick zone-related questions and small projects. Important: The Full System Calculator above already includes this zone calculator functionality as part of its complete system design process. Use this standalone tool only when you need a fast answer about zone capacity without designing an entire system.

Quick GPM Analysis - Instant zone capacity check
Head Count Calculator - Max sprinklers per zone
Simple Interface - Get answers in seconds
Standalone - Just zone calculations, no system design

Perfect for quick answers and small projects:

⚠️ Designing a complete new system?

Use the Full System Calculator above instead. It includes all zone calculation features plus complete system design, parts lists, and coverage planning. The standalone Zone Calculator is only for quick, focused zone questions.

Launch Zone Calculator

Friction Loss Calculator

A verification tool for calculating pressure loss through pipes to ensure adequate pressure at every sprinkler head.

Pipe Sizing Verification - Confirm optimal diameter for lateral runs
Pressure Loss Calculation - Calculate PSI drop over distance

Why friction loss matters:

Launch Friction Loss Calculator