Sprinkler coverage calculator
PRONumber of heads for head-to-head coverage.
Inputs
Result
Heads (triangular)
6
Sq ft per head
338
The formula
Head-to-head triangular: coverage ≈ 1.5 × r² per head.
Worked example
2,000 sq ft, 15 ft radius: 337 sq ft per head → 6 heads.
Frequently asked
›Head-to-head?
Every point should be reached by two heads for even coverage.