A3 printable templates

A3 5mm Square Grid Paper PDF

A3 5mm square grid paper gives more room for diagrams and technical sketches while keeping a familiar fine grid. Use the direct PDF files for sharp printouts.

Paper
A3 / Portrait
Format
PDF / PNG
Spacing
5mm
Cost
Free
A3 5mm Printable Square Grid Paper preview

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Choose grid spacing

Template details

About this portrait A3 5mm sheet

A3 provides twice the area of A4 while staying within the standard ISO A-series used for drawings, plans, and larger worksheets. Each square on this template measures 5mm, equal to 5mm, so the grid contains 2 squares per centimeter.

With the template's 10mm margins, the usable grid area is 277 x 400 mm. It contains approximately 55 x 80 complete 5mm squares in portrait orientation.

Paper size
297 x 420 mm (11.69 x 16.54 in)
Printable grid area
277 x 400 mm
Complete squares
55 x 80
Grid density
2 squares per centimeter

Why use A3 paper with a 5mm grid?

A 5mm grid balances writing room and plotting detail, making it a common choice for mathematics, technical notes, diagrams, and measured sketches.

Engineering sketches

The larger metric sheet provides room for dimensions, annotations, and multiple views without making the grid too small.

Classroom handouts

A3 works well for shared activities, larger coordinate plots, geometry constructions, and display-ready worksheets.

Plans and layouts

Use portrait for long plans or landscape for wider diagrams, tables, process maps, and measured layouts.

A3 vs Tabloid (11 x 17) 5mm square grid paper

Both formats preserve the same 5mm grid measurement. Choose A3 for engineering sketches and larger diagrams; choose Tabloid (11 x 17) when large handouts, plans, and presentation sheets is a better match for the printer or project.

Open Tabloid (11 x 17) 5mm square grid paper →
Comparison A3 Tabloid (11 x 17)
Page size 297 x 420 mm (11.69 x 16.54 in) 11 x 17 in (279.4 x 431.8 mm)
Printable grid area 277 x 400 mm 259.4 x 411.8 mm
Complete 5mm squares 55 x 80 51 x 82
Typical use Engineering sketches and larger diagrams Large handouts, plans, and presentation sheets

More A3 Square Grid Paper Templates

12 ready-made templates are available for this paper size.

A3 2mm Square Grid Paper PDF preview

A3 2mm Square Grid Paper PDF

A3 portrait | 2mm spacing | Gray grid

A3 Landscape 2mm Square Grid Paper PDF preview

A3 Landscape 2mm Square Grid Paper PDF

A3 landscape | 2mm spacing | Gray grid

A3 5mm Printable Square Grid Paper preview

A3 5mm Printable Square Grid Paper

A3 portrait | 5mm spacing | Gray grid

A3 Landscape 5mm Square Grid Paper PDF preview

A3 Landscape 5mm Square Grid Paper PDF

A3 landscape | 5mm spacing | Gray grid

A3 1cm Square Grid Paper PDF preview

A3 1cm Square Grid Paper PDF

A3 portrait | 1cm spacing | Gray grid

A3 1cm Landscape Square Grid Paper preview

A3 1cm Landscape Square Grid Paper

A3 landscape | 1cm spacing | Gray grid

A3 1/4 Inch Printable Square Grid Paper preview

A3 1/4 Inch Printable Square Grid Paper

A3 portrait | 1/4 inch spacing | Gray grid

A3 Landscape 1/4 Inch Square Grid Paper PDF preview

A3 Landscape 1/4 Inch Square Grid Paper PDF

A3 landscape | 1/4 inch spacing | Gray grid

A3 1/2 Inch Square Grid Paper PDF preview

A3 1/2 Inch Square Grid Paper PDF

A3 portrait | 1/2 inch spacing | Gray grid

A3 Landscape 1/2 Inch Square Grid Paper PDF preview

A3 Landscape 1/2 Inch Square Grid Paper PDF

A3 landscape | 1/2 inch spacing | Gray grid

A3 1 Inch Printable Square Grid Paper preview

A3 1 Inch Printable Square Grid Paper

A3 portrait | 1 inch spacing | Gray grid

A3 Landscape 1 Inch Printable Square Grid Paper preview

A3 Landscape 1 Inch Printable Square Grid Paper

A3 landscape | 1 inch spacing | Gray grid

FAQ

Answers specific to printing 5mm square grid paper on A3 sheets.

How many 5mm squares fit on A3 paper?

With the current 10mm margins, this portrait A3 template fits approximately 55 x 80 complete 5mm squares. Partial space can remain at the outer edge when the printable area is not an exact multiple of the grid spacing.

How many 5mm squares fit in one centimeter?

Two 5mm squares fit in one centimeter. Ten squares span 5cm when the PDF is printed at actual size.

Can I print A3 square grid paper on Tabloid (11 x 17) paper?

Not at the original page size without cropping or scaling. Scaling changes the 5mm measurement, so use the Tabloid (11 x 17) template when that is the paper loaded in the printer.

Which print setting keeps the grid true to size?

Select A3 paper, use Actual Size or 100% scale, and disable Fit to Page. Then use a ruler to confirm the 5mm spacing.

Should I use portrait or landscape A3 square grid paper?

Portrait is better for vertically organized calculations, timelines, and worksheets. Landscape is better for wide charts, tables, schedules, and layouts. Both use the same 5mm spacing.