Paper sizes: A0–A10, B0–B10, C0–C10, DL and US Letter, Legal, Tabloid — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/paper-sizes-iso-216/  (CC BY 4.0)
Basis: ISO 216 (A and B series) and ISO 269 (C envelopes, DL); US sizes per ANSI/ASME Y14.1
Catalog version: 2026-10-20

Sizes: see table below
- Each size is a 0.1 mm sheet (about 80 g/m² paper): the outline, for layouts, enclosures, frames and envelopes.

size  width_mm  height_mm  width_in  height_in
A0  841  1189  33.11  46.81
A1  594  841  23.39  33.11
A2  420  594  16.54  23.39
A3  297  420  11.69  16.54
A4  210  297  8.27  11.69
A5  148  210  5.83  8.27
A6  105  148  4.13  5.83
A7  74  105  2.91  4.13
A8  52  74  2.05  2.91
A9  37  52  1.46  2.05
A10  26  37  1.02  1.46
B0  1000  1414  39.37  55.67
B1  707  1000  27.83  39.37
B2  500  707  19.69  27.83
B3  353  500  13.9  19.69
B4  250  353  9.84  13.9
B5  176  250  6.93  9.84
B6  125  176  4.92  6.93
B7  88  125  3.46  4.92
B8  62  88  2.44  3.46
B9  44  62  1.73  2.44
B10  31  44  1.22  1.73
C0  917  1297  36.1  51.06
C1  648  917  25.51  36.1
C2  458  648  18.03  25.51
C3  324  458  12.76  18.03
C4  229  324  9.02  12.76
C5  162  229  6.38  9.02
C6  114  162  4.49  6.38
C7  81  114  3.19  4.49
C8  57  81  2.24  3.19
C9  40  57  1.57  2.24
C10  28  40  1.1  1.57
DL  110  220  4.33  8.66
Letter  215.9  279.4  8.5  11
Legal  215.9  355.6  8.5  14
Tabloid  279.4  431.8  11  17
Executive  184.1  266.7  7.25  10.5
Half-Letter  139.7  215.9  5.5  8.5

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- ISO: ISO 216 Writing paper and certain classes of printed matter — standard — ISO; dimensions are facts [verify license at link] — https://www.iso.org/standard/36631.html
- ISO: ISO 269 Correspondence envelopes — standard — ISO; dimensions are facts [verify license at link] — https://www.iso.org/standard/4363.html

Free files (CC BY 4.0, Xem Studio; STEP + STL, 39 parts): https://xemstudio.com/files/hardware/paper-sizes-iso-216/index.json
API: https://xemstudio.com/api/geometry?object=paper-sizes-iso-216