3.000" per foot

Slope: 25.00%

Outside typical code range. Check local requirements.

Standard: 1/4" per foot for 3" or smaller pipes, 1/8" per foot for 4"+.

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About Drain Slope

Drain Slope was built for the moment you just need to handle this task and move on — no signup, no upload to a third-party server. Built to be the kind of tool you bookmark and use weekly: no surprises between visits, no degraded free tier, and a UI that gets out of the way. It is one of about a hundred utility tools that share the same philosophy: do one thing, do it well, get out of your way.

When you'd reach for Drain Slope

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

Frequently asked about Drain Slope

What browsers does Drain Slope support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
Does Drain Slope work on mobile?
Yes, Drain Slope is fully responsive and tested on iOS Safari and Android Chrome.
Will Drain Slope change my original file?
Never. Drain Slope only reads your input file and produces a new output file.
Is Drain Slope really free?
Yes — Drain Slope is free for unlimited personal use, with no account required and no watermark on the output.
Do I need to create an account to use Drain Slope?
No. Drain Slope works without any signup. We only ask for an email if you decide to subscribe to a paid plan.

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