TypeWidthHeightNotes
Interior (US)24-36"80"Standard 32" bedroom, 36" ADA
Exterior (US)36"80"Main entry, ADA compliant
Closet (Bifold)24-36"80"Double: 48-72" opening
French Door30-36" each80"Typically sold in pairs
Sliding/Patio60-72"80"One fixed, one sliding panel
Pocket Door24-36"80"Slides into wall cavity
Barn Door36-42"84"Mounted on exterior track

Rough opening: add 2" to width, 2.5" to height.

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About Door Sizes

Working with this task no longer requires installing heavy desktop software — Door Sizes runs entirely in your browser, instantly. Everything happens client-side, which means your files and data never leave your machine. The interface is intentionally minimal so you can focus on the task instead of learning the tool. If you find yourself doing this regularly, the rest of the utility suite covers most adjacent tasks with the same approach.

When you'd reach for Door Sizes

  • 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'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 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 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 Door Sizes

Can I use Door Sizes commercially?
Yes. The output of Door Sizes belongs entirely to you, with no licensing restrictions.
Does Door Sizes work on mobile?
Yes, Door Sizes is fully responsive and tested on iOS Safari and Android Chrome.
Will Door Sizes change my original file?
Never. Door Sizes only reads your input file and produces a new output file.
Are my files uploaded to a server when I use Door Sizes?
Door Sizes processes everything in your browser using local APIs. Your files never leave your device.
Do I need to create an account to use Door Sizes?
No. Door Sizes works without any signup. We only ask for an email if you decide to subscribe to a paid plan.