# 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