Side-by-Side Comparison
B-Series (ISO 216)
B5 vs. B6
Comparing 2 standards across 8 specifications. 8 key differences identified.
Comparing:
B5
B6
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.
B6 is an ISO 216 standard paper size measuring 125 × 176 mm (4.92 × 6.93 inches) with a surface area of ~0.022 square meters. Created by cutting a B5 sheet in half, it is standard for mass-market paperback novels, Japanese manga tankōbon volumes, and multi-language consumer product warranty booklets.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
176 × 250 mm | 125 × 176 mm |
|
Width × Height (Imperial)
|
6.93 × 9.84 in | 4.92 × 6.93 in |
|
Nominal Surface Area
|
0.044 m² (44,000 mm²) | 0.022 m² (22,000 mm²) |
|
Geometric Mean Origin
|
Geometric mean of A4 (210×297 mm) and A5 (148×210 mm) | Geometric mean of A5 (148×210 mm) and A6 (105×148 mm) |
|
Weight of 80 gsm Sheet
|
3.52 grams | 1.76 grams |
|
Primary Applications
|
Scientific textbooks, academic research journals, luxury stationery (Leuchtturm B5), tablet computer screens | Paperback novels, manga volumes (Tankōbon), consumer electronics warranty manuals |
|
Japanese JIS B5 Distinction
|
JIS B5 (182 × 257 mm) is the dominant school notebook size in Japan | — |
|
Japanese JIS B6 Distinction
|
— | JIS B6 (128 × 182 mm) is the standard commercial manga tankōbon format |