Sprinkler coverage calculator

PRO

Number of heads for head-to-head coverage.

Inputs

Result

Heads (triangular)
6
Sq ft per head
338

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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.