Paper size in Canada and USA

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.

Letter size paper in inches and millimeters
Letter Size Paper
Legal size paper in inches and millimeters
Legal Size Paper
Tabloid size paper in inches and millimeters
Tabloid Size Paper
Ledger size paper in inches and millimeters
Ledger Size Paper

Canadian P paper sizes

In Canada they also use P series. Canadian paper sizes P1 to P6:


  • 560 x 860 mm
  • 22.0 x 33.9 in


  • 430 x 560 mm
  • 16.9 x 22.0 in


  • 280 x 430 mm
  • 11.0 x 16.9 in


  • 215 x 280 mm
  • 8.5 x 11.0 in


  • 140 x 210 mm
  • 5.5 x 8.3 in


  • 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).