Paper size · US loose
Half letter paper size
Half Letter Paper Size: 139.7 × 215.9 mm, with inch and cm dimensions. Check proportions and common uses. Find the largest square for a paper craft.
139.7 × 215.9 mm5.5 × 8.5 inRatio 11:17 (1:1.545)
- Millimetres
- 139.7 × 215.9 mm
- Centimetres
- 13.97 × 21.59 cm
- Inches · rounded to 4 decimals
- 5.5 × 8.5 in
- Aspect ratio · width:height
- 11:17 (1:1.545)
Common uses
Half Letter suits small planners, booklets and notepads. Two Half Letter sheets fit across a Letter sheet.
How it compares
Place two Half Letter sheets side by side to make an 8.5 × 11 inch Letter sheet.
Cut a square for origami
The largest square from a flat rectangle this size is 139.7 × 139.7 mm (5.5 × 5.5 in). Fold one short edge against a long edge so their corners meet. Crease the diagonal, cut off the extra 76.2 mm strip, then open the triangle.
Try the beginner origami dog with your square, or see how to prepare square paper.