B7 vs Envelope No. 6 3/4

Q: Which is bigger, B7 or Envelope No. 6 3/4?

Envelope No. 6 3/4 — 92.075 × 165.1 mm against 88 × 125 mm, which is 38.2% more area.

	B7	Envelope No. 6 3/4
Millimetres	88 × 125	92.075 × 165.1
Inches	3.46 × 4.92	3.63 × 6.5
Centimetres	8.8 × 12.5	9.2 × 16.5
Aspect ratio	1:1.42	1:1.79
Area	110 cm²	152 cm²

Which is bigger

Envelope No. 6 3/4, by 38.2% in area. Envelope No. 6 3/4 is 4.1 mm wider than B7. Envelope No. 6 3/4 is 40.1 mm taller.

Printing one on the other

A B7 page fits inside Envelope No. 6 3/4 whole — print it at 100% and you get a 2 mm border down each side and 20 mm top and bottom.

You want	Set the print scale to	Leaves
B7 artwork on Envelope No. 6 3/4 paper	104.6%	0 × 34.3 mm margin
Envelope No. 6 3/4 artwork on B7 paper	75.7%	18.3 × 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: B7 is 1:1.42 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 34.3 mm of unwanted margin.

Frequently asked questions

What is the difference between B7 and Envelope No. 6 3/4?

B7 is 88 × 125 mm and Envelope No. 6 3/4 is 92.075 × 165.1 mm. Envelope No. 6 3/4 is the larger of the two by 38.2% in area.

Can I print B7 on Envelope No. 6 3/4?

Yes, at 100% — B7 is smaller on both edges, so it lands inside Envelope No. 6 3/4 with a border all round.

Which is bigger, B7 or Envelope No. 6 3/4?

Envelope No. 6 3/4 — 92.075 × 165.1 mm against 88 × 125 mm, which is 38.2% more area.

Related comparisons

B7 in full · Envelope No. 6 3/4 in full · All size comparisons · All paper sizes