Sprinkler coverage calculator
PRONumber of heads for head-to-head coverage.
Short answer: Head-to-head triangular: coverage ≈ 1.5 × r² per head. 2,000 sq ft, 15 ft radius: 337 sq ft per head → 6 heads. Enter your measurements above and the sprinkler coverage calculator returns the quantity, unit conversions and an estimated cost instantly, in imperial or metric — no sign-up needed.
What do you need to measure?
What is the answer?
Heads (triangular)
6
Sq ft per head
338
How does the sprinkler coverage calculator work?
Head-to-head triangular: coverage ≈ 1.5 × r² per head.
What does a worked example look like?
2,000 sq ft, 15 ft radius: 337 sq ft per head → 6 heads.
What do people ask most?
›Head-to-head?
Every point should be reached by two heads for even coverage.
Which garden calculator should you use next?
Where can you learn more?
Read field notes on estimating and materials, or browse every calculator we make.
What should you read before you order materials?
Field notes from real jobs that explain the numbers behind this calculator.
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