B0 vs. B7
Comparing 2 standards across 8 specifications. 8 key differences identified.
B0 is the largest standard size in the ISO 216 B-series, measuring exactly 1000 × 1414 mm (39.37 × 55.67 inches) with a surface area of √2 square meters (~1.414 m²). Defined with an exact 1-meter short edge, it is the international standard for giant subway transit advertisements, commercial billboards, and wall cartography.
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)
|
1000 × 1414 mm | 88 × 125 mm |
|
Width × Height (Imperial)
|
39.37 × 55.67 in | 3.46 × 4.92 in |
|
Nominal Surface Area
|
1.414 m² (√2 m² — 1,414,000 mm²) | 0.011 m² (11,000 mm²) |
|
Geometric Mean Origin
|
Geometric mean of A0 (841×1189 mm) and 2×A0 (1189×1682 mm) | Geometric mean of A6 (105×148 mm) and A7 (74×105 mm) |
|
Weight of 80 gsm Sheet
|
113.1 grams | 0.88 grams |
|
Primary Applications
|
Subway transit billboard posters, large geographic wall maps, tradeshow backdrop banners | International national passports, small pocket memo booklets, specialized medical record booklets |
|
Defining Dimension
|
Short edge is exactly 1.000 meter (1000 mm) | — |
|
ICAO Travel Document Code
|
— | ID-3 format (Mandated for all electronic e-Passports globally) |