The A1 Envelope size measures 9.14x12.95 cm or 3.6x5.1". A A1 Envelope format card has an aspect ratio of 12/17. The area of the A1 Envelope paper size is 118.45 cm² or 18.36 inch² with a perimeter of 44.2 cm or 17.4". A A1 Envelope format has a diagonal length of 12.93 cm or 5.09". The A1 Envelope format belongs to the US Announcement Envelope series.
FAQ
What series does the A1 Envelope format belong to?
The A1 Envelope format belongs to the US Announcement Envelope series
What is the size of the A1 Envelope format?
The size of the A1 Envelope format is 9.14x12.95 cm or 3.6x5.1"
What is the aspect ratio of the A1 Envelope format?
The aspect ratio of the A1 Envelope format is 12/17
What is the area of the A1 Envelope format?
The area of the A1 Envelope format is 118.45 cm² or 18.36 inch²
What is the perimeter size A1 Envelope?
The perimeter of the A1 Envelope format is 44.2 cm or 17.4"
What is the diagonal size A1 Envelope?
The diagonal of the A1 Envelope format is 12.93 cm or 5.09"
Formats US Announcement Envelope:
A10 Willow Envelope
- Size: 6x9.5"
- Aspect ratio: 12/19
A9 Diplomat Envelope
- Size: 5.7x8.7"
- Aspect ratio: 19/29
A8 Carr's Envelope
- Size: 5.5x8.1"
- Aspect ratio: 55/81
A7 Besselheim Envelope
- Size: 5.2x7.2"
- Aspect ratio: 13/18
A Long Envelope
- Size: 3.9x8.9"
- Aspect ratio: 39/89
A6 Thompson's Standard Envelope
- Size: 4.8x6.5"
- Aspect ratio: 48/65
A4 Envelope
- Size: 4.3x6.3"
- Aspect ratio: 43/63
A2 Lady Grey Envelope
- Size: 4.4x5.7"
- Aspect ratio: 44/57
A1 Envelope
- Size: 3.6x5.1"
- Aspect ratio: 12/17
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