Side-by-Side Comparison
B-Series (ISO 216)
B5 vs. B7
Comparing 2 standards across 8 specifications. 8 key differences identified.
Comparing:
B5
B7
B5 is an ISO 216 standard paper size measuring 176 × 250 mm (6.93 × 9.84 inches). Sized perfectly between A4 and A5, it is the premier international standard for published books, university academic textbooks, scientific journals, and luxury stationery notebooks.
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)
|
176 × 250 mm | 88 × 125 mm |
|
Width × Height (Imperial)
|
6.93 × 9.84 in | 3.46 × 4.92 in |
|
Nominal Surface Area
|
0.044 m² (44,000 mm²) | 0.011 m² (11,000 mm²) |
|
Geometric Mean Origin
|
Geometric mean of A4 (210×297 mm) and A5 (148×210 mm) | Geometric mean of A6 (105×148 mm) and A7 (74×105 mm) |
|
Weight of 80 gsm Sheet
|
3.52 grams | 0.88 grams |
|
Primary Applications
|
Scientific textbooks, academic research journals, luxury stationery (Leuchtturm B5), tablet computer screens | International national passports, small pocket memo booklets, specialized medical record booklets |
|
Japanese JIS B5 Distinction
|
JIS B5 (182 × 257 mm) is the dominant school notebook size in Japan | — |
|
ICAO Travel Document Code
|
— | ID-3 format (Mandated for all electronic e-Passports globally) |