A4 to Letter Paper Size
Compare A4 and Letter paper dimensions instantly. Free paper size converter for printing.
A4
Millimetres210 x 297 mm
Inches8.27 x 11.69 in
A4
US Letter
Millimetres215.9 x 279.4 mm
Inches8.5 x 11 in
US Letter
Comparison
A4 is the international standard for paper size, widely used in Europe and most countries. US Letter is the standard in the United States and Canada.
Width difference:5.9 mm (0.23 in) wider
Height difference:17.6 mm (0.69 in) taller
Detailed Dimensions
| Format | Millimetres | Inches |
|---|---|---|
| A4 | 210 x 297 | 8.27 x 11.69 |
| US Letter | 215.9 x 279.4 | 8.5 x 11 |