Slope and Fall Calculator

Percent, 1 in X and degrees from your fall and distance.

Fall is how much lower one end is than the other. Everything is worked out in your browser. Nothing is saved or sent anywhere.

1. Measurements

2. Results

How it was worked out

    What this does and doesn't tell you

    • Plumbing drains have minimum falls set by the plumbing code. Ask a licensed plumber.
    • This is a planning estimate only. Check the maker's instructions and your local council's rules before you build or buy.
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