B1 vs. B2
Comparing 2 standards across 7 specifications. 7 key differences identified.
B1 is an ISO 216 standard paper size measuring 707 × 1000 mm (27.83 × 39.37 inches) with a surface area of ~0.707 square meters. Defined with an exact 1-meter long edge, it is the worldwide standard format for theatrical movie posters, museum exhibition graphics, and commercial lithographic press sheets.
B2 is an ISO 216 standard paper size measuring 500 × 707 mm (19.69 × 27.83 inches) with a surface area of ~0.354 square meters. Operating with an exact 500 mm (0.5 meter) short edge, it is the benchmark format for commercial half-size offset printing presses, concert tour posters, and art museum prints.
Specification Comparison Table
7 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
707 × 1000 mm | 500 × 707 mm |
|
Width × Height (Imperial)
|
27.83 × 39.37 in | 19.69 × 27.83 in |
|
Nominal Surface Area
|
0.707 m² (707,100 mm²) | 0.354 m² (353,550 mm²) |
|
Geometric Mean Origin
|
Geometric mean of A0 (841×1189 mm) and A1 (594×841 mm) | Geometric mean of A1 (594×841 mm) and A2 (420×594 mm) |
|
Defining Dimension
|
Long edge is exactly 1.000 meter (1000 mm) | Short edge is exactly 500 mm (0.5 meter) |
|
Weight of 80 gsm Sheet
|
56.6 grams | 28.3 grams |
|
Primary Applications
|
Theatrical movie one-sheet posters (international), bus shelter ad kiosks, lithographic print testing | Concert posters, retail promotional signs, commercial packaging mockups |