20 mm graph paper on A3. An evenly spaced square grid for plotting, problem solving, and plans.

Scaled screen preview · Your PDF uses the dimensions shown.

Study & notes · FREE PRINTABLE

20 mm
graph paper
A3 · portrait

An evenly spaced square grid for plotting, problem solving, and plans. This ready-made sheet uses 20 mm on 297 × 420 mm paper.

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One vector page · Free · No watermark

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Exact specifications

Paper size
A3
Sheet dimensions
297 × 420 mm
Orientation
portrait
Outer margins
10 mm
Columns
13
Rows
20
Cell width
20 mm
Cell height
20 mm

Keep the measurements true. Select matching paper and Actual Size / 100% when printing. A quick printing guide ↗

Put this page to work.

Use one square for one unit, or assign a scale before drawing. Square cells keep horizontal and vertical distances comparable.

The measurement to know: distance between neighboring grid lines. A 5 mm grid is an easy everyday starting point. Finer grids fit more detail; larger grids leave room for handwriting.

On this sheet: columns: 13; rows: 20; cell width: 20 mm. The drawing area is 277 × 400 mm.

Original vector geometry, generated from the dimensions above. Our measurement methods and references. Use & permissions.

Find your fit.

A larger ISO sheet for expansive drawings. Requires a printer that supports A3. Changing the paper size adjusts the available area; the selected pattern measurement stays the same.

THIS LAYOUT ON ANOTHER SHEET

Try the same sheet in landscape ↗

For a custom margin, line weight, title, or color, open this layout in the studio. For an exact physical print, check your printer’s scale first.