📄 Paper Size Reference

A-Series (ISO 216)

Size	mm	inch
A0	841 × 1,189 mm	33.11 × 46.81 in
A1	594 × 841 mm	23.39 × 33.11 in
A2	420 × 594 mm	16.54 × 23.39 in
A3	297 × 420 mm	11.69 × 16.54 in
A4	210 × 297 mm	8.27 × 11.69 in
A5	148 × 210 mm	5.83 × 8.27 in
A6	105 × 148 mm	4.13 × 5.83 in
A7	74 × 105 mm	2.91 × 4.13 in
A8	52 × 74 mm	2.05 × 2.91 in
A9	37 × 52 mm	1.46 × 2.05 in
A10	26 × 37 mm	1.02 × 1.46 in

B-Series (ISO 216)

Size	mm	inch
B0	1,000 × 1,414 mm	39.37 × 55.67 in
B1	707 × 1,000 mm	27.83 × 39.37 in
B2	500 × 707 mm	19.69 × 27.83 in
B3	353 × 500 mm	13.90 × 19.69 in
B4	250 × 353 mm	9.84 × 13.90 in
B5	176 × 250 mm	6.93 × 9.84 in
B6	125 × 176 mm	4.92 × 6.93 in
B7	88 × 125 mm	3.46 × 4.92 in
B8	62 × 88 mm	2.44 × 3.46 in
B9	44 × 62 mm	1.73 × 2.44 in
B10	31 × 44 mm	1.22 × 1.73 in

US Sizes

Size	mm	inch
Letter	215.9 × 279.4 mm	8.50 × 11.00 in
Legal	215.9 × 355.6 mm	8.50 × 14.00 in
Tabloid	279.4 × 431.8 mm	11.00 × 17.00 in

A quick reference chart for A-series (A0–A10), B-series (B0–B10, ISO standard), and US paper sizes (Letter, Legal, Tabloid), shown in both millimeters and inches. Useful for print design or checking paper sizes when working with people overseas.

How to use

Look at the section for the standard you want (A-series, B-series, or US sizes).
Each size is listed with both its mm and inch dimensions.

FAQ

Is this different from Japan's JIS B-series?

Yes. The B-series shown here follows the ISO 216 standard. Japan's JIS B-series sizes are somewhat larger than the ISO standard.

How big is A4?

210mm × 297mm (about 8.27 × 11.69 inches) — the most common copy paper size in Japan and Europe.

What's the difference between US Letter and A4?

US Letter (215.9mm × 279.4mm) is slightly wider and shorter than A4. It's mainly used in North America.

📄 Paper Size Reference

A-Series (ISO 216)

B-Series (ISO 216)

US Sizes

How to use

FAQ

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