# item.guide
Side-by-Side Comparison B-Series (ISO 216)

B1 vs. B6

Comparing 2 standards across 8 specifications. 8 key differences identified.

Comparing:
B1 B1
B6 B6

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.

View full B1 spec sheet →

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.

View full B6 spec sheet →

Specification Comparison Table

8 Parameters
Parameter / Spec
B1 B1
B6 B6
Width × Height (Metric)
707 × 1000 mm 125 × 176 mm
Width × Height (Imperial)
27.83 × 39.37 in 4.92 × 6.93 in
Nominal Surface Area
0.707 m² (707,100 mm²) 0.022 m² (22,000 mm²)
Geometric Mean Origin
Geometric mean of A0 (841×1189 mm) and A1 (594×841 mm) Geometric mean of A5 (148×210 mm) and A6 (105×148 mm)
Weight of 80 gsm Sheet
56.6 grams 1.76 grams
Primary Applications
Theatrical movie one-sheet posters (international), bus shelter ad kiosks, lithographic print testing Paperback novels, manga volumes (Tankōbon), consumer electronics warranty manuals
Defining Dimension
Long edge is exactly 1.000 meter (1000 mm) —
Japanese JIS B6 Distinction
— JIS B6 (128 × 182 mm) is the standard commercial manga tankōbon format