Measure distances and areas on a drawing

The Measure tool is in the Edit & fill toolbar (in More on narrow screens). When it's active, a measure bar appears with the mode, scale, unit, decimals and color.

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   Step 1: Choose Measure

   Click Measure in the toolbar. Pick a mode: Distance, Perimeter, Area or Calibrate.

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   Step 2: Set the scale

   Click the scale chip and type the scale as printed on the drawing, for example 1 in = 10 ft or 1:50. Choose a Unit (in, ft, mm, cm, m) and the number of Decimals.

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   Step 3: Or calibrate from a known length

   Choose Calibrate, draw over a dimension you know (a wall, a scale bar), enter the Real length and click Apply scale. Every new measurement uses it; tick the option to also update existing measurements.

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   Step 4: Measure

   For Distance, drag or click two points. For Perimeter and Area, click each corner, then double-click or press Enter to finish (or click Finish).

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   Step 5: Label and adjust

   Select a measurement to add a Caption (for example "Wall A") or change its color. Drag a corner to adjust it; Alt-click a corner to remove it.

Getting the numbers out

• In the PDF. Measurements are drawn into the downloaded file with the same values you see in the editor.
• As a list. Done → Export comments with Include measurements turned on gives a Summary PDF, CSV or JSON with each measurement's value and unit.