How do I measure distance or area on a drawing?

Load a PDF or image, set the scale using a known dimension on the drawing (in mm), then click on the drawing in length or floor-area mode. The real-world length (m), area (m²), and wall area are calculated automatically.

Does it support multi-page PDFs?

Yes. When you load a multi-page PDF, a page switcher appears and each page keeps its own scale and measurement results.

Are my uploaded drawings sent to a server?

No. Loading, measuring, and saving all happen inside your browser (in on-device IndexedDB). Your drawings and measurement data are never sent to an external server.

Yes, it is free to use. No installation is required — it runs entirely in your browser.

Drawing Measure｜Measure length & area from PDF / image (free, in-browser)

⑤ Furniture layout (rectangle)

Enter width and depth to place a scaled rectangle over the drawing. Drag to move; use the round handle to rotate (Shift = 15°). Shift-click to select multiple and move them together.

Width × Depth (mm)

Free tool to measure length and area from PDF & image drawings

This tool loads a PDF or image drawing in your browser and lets you measure distance (length), floor area, and wall area — a free online measuring tool. Just match the scale using a known dimension on the drawing, and it converts the distance between two clicked points, or the area of a polygon you draw around a room, into real-world units (m, m²). No installation is needed and everything runs on your device, so your drawings are never uploaded.

Main features

Load PDF & images (multi-page PDF supported / drag & drop)
Scale calibration (set horizontal and vertical separately)
Floor area measurement (polygon, m², multiple)
Length measurement (polyline, multiple / Shift for 15° snapping)
Wall area calculation (total length × height)
Point notes (annotations): add and move
Auto-save of work in progress (saved on device, restored next time)

How to use (3 easy steps)

Load a drawing (PDF / image)
Set the scale using a known dimension
Measure length and area