Toolman

A0 vs B0

A0B0
Millimetres841 × 11891000 × 1414
Inches33.11 × 46.8139.37 × 55.67
Centimetres84.1 × 118.9100 × 141.4
Aspect ratio1:1.411:1.41
Area9999.5 cm²14140 cm²

Which is bigger

B0, by 41.4% in area. B0 is 159 mm wider than A0. B0 is 225 mm taller.

Printing one on the other

A A0 page fits inside B0 whole — print it at 100% and you get a 79.5 mm border down each side and 112.5 mm top and bottom.

You wantSet the print scale toLeaves
A0 artwork on B0 paper118.9%0 × 0.2 mm margin
B0 artwork on A0 paper84.1%0.1 × 0 mm margin

These are the numbers for the "custom scale" box in a print dialog. "Fit to page" computes the same thing, but knowing the figure tells you in advance whether the result will look deliberate or accidental.

Why the shapes matter

Both sheets have the same 1:1.41 proportions, so artwork scales between them without any cropping or extra margin — only the size changes.

Frequently asked questions

What is the difference between A0 and B0?

A0 is 841 × 1189 mm and B0 is 1000 × 1414 mm. B0 is the larger of the two by 41.4% in area.

Can I print A0 on B0?

Yes, at 100% — A0 is smaller on both edges, so it lands inside B0 with a border all round.

Which is bigger, A0 or B0?

B0 — 1000 × 1414 mm against 841 × 1189 mm, which is 41.4% more area.

A0 in full · B0 in full · All size comparisons · All paper sizes