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Free Sprinkler Coverage Calculator

Number of sprinkler heads needed for a lawn area.

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Inputs

Result

Sprinkler heads needed

12

Lawn area2,400 sq ft
Head spacing15.0 ft

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Short answer

Number of sprinkler heads needed for a lawn area.

What is the Sprinkler Coverage Calculator?

Number of sprinkler heads needed for a lawn area.

How does the Sprinkler Coverage Calculator work?

Enter the inputs above and read the result.

Formula

Heads = ⌈Length ÷ Spacing⌉ × ⌈Width ÷ Spacing⌉

Variables

  • SpacingHead-to-head spacing, ≈ sprinkler radius

Explanation

Head-to-head coverage (spacing equal to radius) ensures even watering without dry spots.

Examples

Applications

    Advantages

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        Common mistakes

          Tips

            Related concepts

            The Sprinkler Coverage Calculator sits inside the Everyday & Utility Calculators hub, in the home & energy cluster. Utility usage and household running costs. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.

            kilowatt-hourtariffstandby loadefficiency rating

            Practical use cases and industry applications

            Understanding Sprinkler Coverage

            Number of sprinkler heads needed for a lawn area. Within everyday & utility calculators, sprinkler coverage belongs to the home & energy cluster, where it shares terminology and assumptions with closely related tools.

            Learning how sprinkler coverage is calculated

            Head-to-head coverage (spacing equal to radius) ensures even watering without dry spots. Working through the variables one at a time — Spacing — makes the result reproducible by hand and easier to sanity-check.

            Using sprinkler coverage to make a decision

            Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.

            How sprinkler coverage compares with related measures

            kilowatt-hour, tariff, standby load, efficiency rating all describe adjacent aspects of home & energy. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.

            Frequently asked questions

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