Complete guide to standard paper sizes for printing. Find dimensions for all common printer paper sizes including US Letter, Legal, A4, A3, and more.
Paper sizes vary by region and purpose. The most common systems are the US paper sizes (Letter, Legal) and the international ISO 216 standard (A4, A3, etc.). Understanding these different paper sizes is essential for printing, copying, and document preparation.
The standard printer paper size depends on your location. In the United States and Canada, Letter size (8.5 × 11 inches or 216 × 279 mm) is the standard. In most other countries, A4 (210 × 297 mm or 8.27 × 11.69 inches) is the standard paper size for printing.
US paper sizes showing clear relationships: Letter is the standard, Legal is 3" longer, Ledger is two Letter sheets side by side, Executive is smaller, and Statement is half Letter width.
8.5" × 11"
216 × 279 mm
Standard US business document size
8.5" × 14"
216 × 356 mm
Legal documents and contracts
11" × 17"
279 × 432 mm
Newspapers and large format printing
17" × 11"
432 × 279 mm
Landscape orientation of Tabloid
7.25" × 10.5"
184 × 267 mm
Executive correspondence
5.5" × 8.5"
140 × 216 mm
Half-letter size for statements
The ISO 216 standard defines the A series of paper sizes used internationally. Each size is exactly half the area of the previous size. A4 is the most common size worldwide for business documents and printing.
ISO A series paper sizes showing the relationship between formats. A4 is the most common size worldwide.
33.1" × 46.8"
841 × 1189 mm
Posters and large format printing
23.4" × 33.1"
594 × 841 mm
Technical drawings and posters
16.5" × 23.4"
420 × 594 mm
Charts and small posters
11.7" × 16.5"
297 × 420 mm
Presentations and diagrams
8.3" × 11.7"
210 × 297 mm
Standard international document size
5.8" × 8.3"
148 × 210 mm
Notebooks and small booklets
4.1" × 5.8"
105 × 148 mm
Postcards and small flyers
B series paper sizes are less common but provide intermediate sizes between A series. B5 is popular for books and notebooks.
ISO B series paper sizes providing intermediate sizes between A series formats. B5 is popular for books and notebooks.
39.4" × 55.7"
1000 × 1414 mm
Large format printing
27.8" × 39.4"
707 × 1000 mm
Large posters and banners
19.7" × 27.8"
500 × 707 mm
Medium posters
13.9" × 19.7"
353 × 500 mm
Small posters
9.8" × 13.9"
250 × 353 mm
Books and magazines
6.9" × 9.8"
176 × 250 mm
Books and notebooks
4.9" × 6.9"
125 × 176 mm
Small books and pamphlets
Standard photo sizes are optimized for photo printing and typically use inches as the measurement unit.
Standard photo print sizes showing common dimensions for photo printing and framing.
4" × 6"
102 × 152 mm
Standard photo print size
5" × 7"
127 × 178 mm
Popular photo size for frames
8" × 10"
203 × 254 mm
Large photo prints
8" × 12"
203 × 305 mm
Landscape photo prints
11" × 14"
279 × 356 mm
Large format photo prints
16" × 20"
406 × 508 mm
Poster-sized photo prints
