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    Sprinkler Flow Calculator (K-Factor)

    Is single-head flow enough to size a system?

    No. System demand requires remote-area calculations including multiple operating sprinklers, fitting losses, elevation effects, and hose allowance per applicable standards. This calculator is a quick single-head pre-check only.

    Run the numbers for your project

    Use the Sprinkler Flow Calculator (K-Factor) to get an exact answer for your inputs.

    Open the calculator

    Related questions

    Estimates and general guidance only. Verify against your local code and AHJ before any installation. Gas, electrical, and refrigerant work is hazardous to untrained users.

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