In Canada and the United States, the standard paper size is known as “Letter” size, which measures 8.5 inches x 11 inches. This is slightly different from the ISO standard A4 paper size, which is the standard paper size used in most other countries and measures 210mm x 297mm or 8.27 inches x 11.69 inches. In addition to Letter size, other paper sizes commonly used in Canada and the United States include:
- Legal: 8.5 inches x 14 inches
- Tabloid: 11 inches x 17 inches
- Ledger: 17 inches x 11 inches
- Executive: 7.25 inches x 10.5 inches
- Half-letter: 5.5 inches x 8.5 inches
- Note: 3.5 inches x 5 inches
These paper sizes are based on the American National Standards Institute (ANSI) standard sizes.
Most common papers
In USA, Canada and parts of Mexico you can find the following paper sizes. The 4 most commonly used US standard paper sizes are known as Letter, Legal, Ledger and Tabloid.
Canadian P paper sizes
In Canada they also use P series. Canadian paper sizes P1 to P6:
P1
- 560 x 860 mm
- 22.0 x 33.9 in
P2
- 430 x 560 mm
- 16.9 x 22.0 in
P3
- 280 x 430 mm
- 11.0 x 16.9 in
P4
- 215 x 280 mm
- 8.5 x 11.0 in
P5
- 140 x 210 mm
- 5.5 x 8.3 in
P6
- 105 x 140 mm
- 4.1 x 5.5 in
International standard for papers (ISO)
Most countries don’t use US standard paper sizes. The A-series is the International Standard for paper sizes (ISO).