Paper sizes · Series guide
B-series paper sizes: ISO and JIS
B Paper Sizes: compare 24 formats in the chart. Switch mm and inches. Check proportions and open the individual sheet-size details.
24 sizes in chartmm & inches
ISO B and JIS B side by side
JIS B sheets are larger than the matching ISO B sheets. Notebook covers and printer trays must match the series as well as the number.
| Size | ISO B | JIS B |
|---|---|---|
| B0 | 1000 × 1414 mm | 1030 × 1456 mm |
| B1 | 707 × 1000 mm | 728 × 1030 mm |
| B2 | 500 × 707 mm | 515 × 728 mm |
| B3 | 353 × 500 mm | 364 × 515 mm |
| B4 | 250 × 353 mm | 257 × 364 mm |
| B5 | 176 × 250 mm | 182 × 257 mm |
| B6 | 125 × 176 mm | 128 × 182 mm |
| B7 | 88 × 125 mm | 91 × 128 mm |
| B8 | 62 × 88 mm | 64 × 91 mm |
| B9 | 44 × 62 mm | 45 × 64 mm |
| B10 | 31 × 44 mm | 32 × 45 mm |
ISO B
| Size | Dimensions |
|---|---|
| B0 | 1000 × 1414 mm39.3701 × 55.6693 in |
| B1 | 707 × 1000 mm27.8346 × 39.3701 in |
| B2 | 500 × 707 mm19.685 × 27.8346 in |
| B3 | 353 × 500 mm13.8976 × 19.685 in |
| B4 | 250 × 353 mm9.8425 × 13.8976 in |
| B5 | 176 × 250 mm6.9291 × 9.8425 in |
| B6 | 125 × 176 mm4.9213 × 6.9291 in |
| B7 | 88 × 125 mm3.4646 × 4.9213 in |
| B8 | 62 × 88 mm2.4409 × 3.4646 in |
| B9 | 44 × 62 mm1.7323 × 2.4409 in |
| B10 | 31 × 44 mm1.2205 × 1.7323 in |
JIS B
| Size | Dimensions |
|---|---|
| JIS B0 | 1030 × 1456 mm40.5512 × 57.3228 in |
| JIS B1 | 728 × 1030 mm28.6614 × 40.5512 in |
| JIS B2 | 515 × 728 mm20.2756 × 28.6614 in |
| JIS B3 | 364 × 515 mm14.3307 × 20.2756 in |
| JIS B4 | 257 × 364 mm10.1181 × 14.3307 in |
| JIS B5 | 182 × 257 mm7.1654 × 10.1181 in |
| JIS B6 | 128 × 182 mm5.0394 × 7.1654 in |
| JIS B7 | 91 × 128 mm3.5827 × 5.0394 in |
| JIS B8 | 64 × 91 mm2.5197 × 3.5827 in |
| JIS B9 | 45 × 64 mm1.7717 × 2.5197 in |
| JIS B10 | 32 × 45 mm1.2598 × 1.7717 in |
| JIS B11 | 22 × 32 mm0.8661 × 1.2598 in |
| JIS B12 | 16 × 22 mm0.6299 × 0.8661 in |
Use your paper for origami
Start with thin, uncoated paper. The short edge sets the largest square you can cut. Fold a corner across and trim the spare strip, then try the beginner origami dog.