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ISO A series (ISO 216) · member 5

A5 Paper Size

Compare A5

A5 paper size measures 148 × 210 mm. The Dimensions of A5 Paper are 5.83 by 8.27 inches, 14.8 by 21.0 centimetres, 1748 by 2480 pixels at 300 DPI, and 420 by 595 points. It is half of A4. Its most common use is booklets.

inisDimensions 148 × 210 mm

A5 measures 148 millimetres wide and 210 millimetres tall.

Dimensions of A5 Paper

UnitWidthHeightWidth × heightCopy
Millimetres (mm)148210148 × 210 mm
Centimetres (cm)14.821.014.8 × 21.0 cm
Metres (m)0.1480.210.148 × 0.21 m
Inches (in)5.838.275.83 × 8.27 in
Feet (ft)0.490.690.49 × 0.69 ft
Points (pt)420595420 × 595 pt
Picas (pc)3549.635 × 49.6 pc
Pixels at 72 DPI420595420 × 595 px
Pixels at 150 DPI8741240874 × 1240 px
Pixels at 300 DPI174824801748 × 2480 px
Pixels at 600 DPI349649613496 × 4961 px

Pixel counts follow from the resolution: pixels = millimetres ÷ 25.4 × DPI. More on the DPI and pixels page.

A5 Paper Format

A5148 × 210 mmA4148 mm210 mm
A5 is exactly half of A4. Fold A4 across its long side and nothing is trimmed.

A5 is half of A4 and folds in half to A6. One A5 sheet tiles into 2 × A6, 4 × A7, 8 × A8. Put A5 next to another size in the comparison tool.

A5 Size in Millimeters (mm)

A5 is 148 × 210 mm (148 mm wide, 210 mm tall). Millimetres are the base unit of ISO 216, so these are the exact figures paper mills and print shops cut to. Page-setup dialogs outside the US expect ISO A-series sizes entered in mm.

A5 Size in Centimeters (cm)

A5 is 14.8 × 21.0 cm. Centimetres are the handy unit for checking a sheet against a school ruler or giving a rough size; the figure is the millimetre value divided by ten.

A5 Size in Inches

A5 is 5.83 × 8.27 inches. Inches come up when A5 is opened in US-configured software or compared with Letter and Legal. One inch is fixed at 25.4 mm.

A5 Size in Pixels

At 300 DPI A5 is 1748 × 2480 px; at 72 DPI it is 420 × 595 px. Pixel dimensions are what you type into the new-document box in Photoshop, GIMP or Figma, and they scale with the DPI you choose.

A5 in Pixels at 72 DPI (Screen)

A5 is 420 × 595 px at 72 DPI. This is the legacy screen resolution, used for on-screen mockups, web previews and wireframes where physical print size is not the point.

A5 in Pixels at 300 DPI (Print)

A5 is 1748 × 2480 px at 300 DPI. 300 DPI is the print-quality benchmark, so set an A5 canvas to this pixel count for anything going to a commercial or a good home printer.

A5 Size in Points (pt)

A5 is 420 × 595 points. Points are the unit of PDF, InDesign and LaTeX page geometry, where 72 points make one inch. A page set to 420 by 595 pt exports as A5.

A5 Shape and Area

Aspect ratio1 : 1.419 (√2)
Area0.0311 m² · 31,080 mm²
Diagonal256.9 mm · 10.11 in
ISO 216 tolerance± 1.5 mm (148 mm side) · ± 2 mm (210 mm side)
Closest US sizeHalf Letter
Governing standardISO 216:2007

Frequently Asked Questions

What is A5 Paper Size?

A piece of A5 paper measures 148 × 210 mm (5.83 × 8.27 in). It is one of the ISO 216 A-series sizes, made by folding A4 in half, and it folds again to make A6.

What are the Uses of A5 Paper?

A5 is used for notepads and diaries, flyers and leaflets, short-run books.

How long is a piece of A5 paper?

A5 is 210 mm long on the longer edge and 148 mm on the shorter edge, which is 21.0 cm by 14.8 cm.

How long is A5 paper in inches?

The long edge of A5 is 8.27 inches and the short edge is 5.83 inches.

How long is a piece of A5 paper in cm?

A5 is 21.0 cm long by 14.8 cm wide.

A Paper Sizes

Dimensions per ISO 216:2007; unit values derived by formula. Reviewed . Editorial Process →