Foolscap
- Size: 8x13"
- Aspect ratio: 8/13
Quarto
- Size: 8x10"
- Aspect ratio: 4/5
Imperial
- Size: 7x9"
- Aspect ratio: 7/9
Kings
- Size: 6.5x8"
- Aspect ratio: 13/16
Dukes
- Size: 5.5x7"
- Aspect ratio: 11/14
Ledger
- Size: 11x17"
- Aspect ratio: 11/17
Tabloid
- Size: 11x17"
- Aspect ratio: 11/17
Legal
- Size: 8.5x14"
- Aspect ratio: 17/28
Government - Legal
- Size: 8.5x13"
- Aspect ratio: 17/26
Letter
- Size: 8.5x11"
- Aspect ratio: 17/22
Government - Letter
- Size: 8x10.5"
- Aspect ratio: 16/21
Half Letter
- Size: 5.5x8.5"
- Aspect ratio: 11/17
Junior Legal
- Size: 5x8"
- Aspect ratio: 5/8
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
Lee Envelope
- Size: 5.25x7.25"
- Aspect ratio: 21/29
6 Baronial Envelope
- Size: 4.75x6.5"
- Aspect ratio: 19/26
5.5 Baronial Envelope
- Size: 4.38x5.75"
- Aspect ratio: 35/46
4 Baronial Envelope
- Size: 3.62x5.12"
- Aspect ratio: 29/41
13 Booklet Envelope
- Size: 10x13"
- Aspect ratio: 10/13
10 Booklet Envelope
- Size: 9.5x12.62"
- Aspect ratio: 76/101
9.5 Booklet Envelope
- Size: 9x12"
- Aspect ratio: 3/4
9 Booklet Envelope
- Size: 8.75x11.5"
- Aspect ratio: 35/46
7.5 Booklet Envelope
- Size: 7.5x10.5"
- Aspect ratio: 5/7
7.25 Booklet Envelope
- Size: 7x10"
- Aspect ratio: 7/10
6.75 Booklet Envelope
- Size: 6.5x9.5"
- Aspect ratio: 13/19
6.625 Booklet Envelope
- Size: 6x9.5"
- Aspect ratio: 12/19
6.5 Booklet Envelope
- Size: 6x9"
- Aspect ratio: 2/3
6 Booklet Envelope
- Size: 5.75x8.88"
- Aspect ratio: 46/71
4.5 Booklet Envelope
- Size: 5.5x7.5"
- Aspect ratio: 11/15
3 Booklet Envelope
- Size: 4.75x6.5"
- Aspect ratio: 19/26
15.5 Envelope
- Size: 12x15.5"
- Aspect ratio: 24/31
14.5 Envelope
- Size: 11.5x14.5"
- Aspect ratio: 23/29