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Measure a PDF drawing

Measure distances, perimeters and areas, at the scale you set.

Also called: PDF measurement tool, measure distance in PDF, measure area in PDF, measure PDF online

Drop a PDF hereStart with a PDFOpen your PDFDrop to open

It opens in this tab with the tool started. No account, nothing to install.

Without an account, your PDF never leaves your device. How?

How to measure a PDF drawing

  1. Choose a PDF, or drop it on this page.

  2. It opens in this tab with the Distance tool ready.

  3. Set the drawing’s scale, then tap or click both ends of what you want to measure.

Questions

Is it free to measure a PDF drawing?

Yes. It’s free and needs no account. It runs in your web browser, with nothing to install.

Is my PDF uploaded?

No, not without an account. Your PDF is opened and worked on in this browser tab, and never sent to our server.

Is there a file size limit?

Not as a guest. Your file never reaches our server, so the only limit is what your device can handle. With a free account, each PDF kept in your library can be up to 100 MB.

Can I measure a PDF drawing on my phone?

Yes. It works in the web browser on a phone, a tablet or a computer.

See the limits of a free account, and what stays on your device.

When you’d measure a PDF

  • The length of a wall on a floor plan.
  • The area of a room, a roof or a plot on a site drawing.
  • The perimeter of a fence or a garden bed.

Set the scale first

Type the drawing’s scale in two halves, such as 1 in = 5 ft, or draw a line over a length the drawing states and type what it really is. Every measurement is then given in the drawing’s units, rounded as you choose. Changing the scale later never rewrites a measurement already made.

On a phone or a tablet

Tap the two ends of a line, or the corners of an area. While your finger is down, a magnifier above it shows exactly where the point will land, and you can drag any point afterwards to move it. An on-screen ruler can also be laid across the page and turned to any angle.

What you get

Measurements saved in the PDF as standard measurement annotations, so other PDF apps can show the same numbers, and they open here again ready to edit. Points snap to guides and to other measurements, not to the drawing’s own lines. Without an account, nothing is uploaded.

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