Side-by-Side Comparison
B-Series (ISO 216)
B4 vs. B7
Comparing 2 standards across 8 specifications. 8 key differences identified.
Comparing:
B4
B7
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.
B7 is an ISO 216 standard paper size measuring 88 × 125 mm (3.46 × 4.92 inches). Standardized under ICAO Doc 9303 as the official ID-3 machine-readable travel document format, it is the universal size for all national passport booklets issued worldwide.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
250 × 353 mm | 88 × 125 mm |
|
Width × Height (Imperial)
|
9.84 × 13.90 in | 3.46 × 4.92 in |
|
Nominal Surface Area
|
0.088 m² (88,250 mm²) | 0.011 m² (11,000 mm²) |
|
Geometric Mean Origin
|
Geometric mean of A3 (297×420 mm) and A4 (210×297 mm) | Geometric mean of A6 (105×148 mm) and A7 (74×105 mm) |
|
Weight of 80 gsm Sheet
|
7.06 grams | 0.88 grams |
|
Primary Applications
|
Classical sheet music scores, accounting ledgers, Japanese manga manuscripts | International national passports, small pocket memo booklets, specialized medical record booklets |
|
Japanese JIS B4 Distinction
|
JIS B4 is slightly larger (257 × 364 mm) due to historical Mino paper origins | — |
|
ICAO Travel Document Code
|
— | ID-3 format (Mandated for all electronic e-Passports globally) |