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B6 vs Envelope No. 6 3/4

B6Envelope No. 6 3/4
Millimetres125 × 17692.075 × 165.1
Inches4.92 × 6.933.63 × 6.5
Centimetres12.5 × 17.69.2 × 16.5
Aspect ratio1:1.411:1.79
Area220 cm²152 cm²

Which is bigger

B6, by 44.7% in area. B6 is 32.9 mm wider than Envelope No. 6 3/4. B6 is 10.9 mm taller.

Printing one on the other

A Envelope No. 6 3/4 page fits inside B6 whole — print it at 100% and you get a 16.5 mm border down each side and 5.5 mm top and bottom.

You wantSet the print scale toLeaves
B6 artwork on Envelope No. 6 3/4 paper73.7%0 × 35.5 mm margin
Envelope No. 6 3/4 artwork on B6 paper106.6%26.8 × 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

The proportions differ: B6 is 1:1.41 and Envelope No. 6 3/4 is 1:1.79. That difference is why a layout moved between them never quite lines up — scale it to fit one edge and the other is left with 35.5 mm of unwanted margin.

Frequently asked questions

What is the difference between B6 and Envelope No. 6 3/4?

B6 is 125 × 176 mm and Envelope No. 6 3/4 is 92.075 × 165.1 mm. B6 is the larger of the two by 44.7% in area.

Can I print B6 on Envelope No. 6 3/4?

Not at full size. Scale it to 73.7% and it fits inside Envelope No. 6 3/4 with 0 × 35.5 mm to spare.

Which is bigger, B6 or Envelope No. 6 3/4?

B6 — 125 × 176 mm against 92.075 × 165.1 mm, which is 44.7% more area.

Related comparisons

B6 in full · Envelope No. 6 3/4 in full · All size comparisons · All paper sizes