Side-by-Side Comparison
B-Series (ISO 216)
B1 vs. B4
Comparing 2 standards across 8 specifications. 8 key differences identified.
Comparing:
B1
B4
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.
B4 is an ISO 216 standard paper size measuring 250 × 353 mm (9.84 × 13.90 inches) with a surface area of ~0.088 square meters. Sized intermediate between A3 and A4, it is the worldwide standard for printed orchestral sheet music, professional accounting ledgers, and Japanese manga manuscript paper.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
707 × 1000 mm | 250 × 353 mm |
|
Width × Height (Imperial)
|
27.83 × 39.37 in | 9.84 × 13.90 in |
|
Nominal Surface Area
|
0.707 m² (707,100 mm²) | 0.088 m² (88,250 mm²) |
|
Geometric Mean Origin
|
Geometric mean of A0 (841×1189 mm) and A1 (594×841 mm) | Geometric mean of A3 (297×420 mm) and A4 (210×297 mm) |
|
Weight of 80 gsm Sheet
|
56.6 grams | 7.06 grams |
|
Primary Applications
|
Theatrical movie one-sheet posters (international), bus shelter ad kiosks, lithographic print testing | Classical sheet music scores, accounting ledgers, Japanese manga manuscripts |
|
Defining Dimension
|
Long edge is exactly 1.000 meter (1000 mm) | — |
|
Japanese JIS B4 Distinction
|
— | JIS B4 is slightly larger (257 × 364 mm) due to historical Mino paper origins |