B1 to B2 Conversion

B2 is exactly half of B1. Folding a B1 sheet in half gives you a B2 sheet. This is a very common conversion for designers and printers working with medium-format posters.

B1 (Original)
B1
707 × 1000 mm
27.8 × 39.4 in
B2 (Result)
B2
500 × 707 mm
19.7 × 27.8 in
📊 B1 vs B2 Quick Facts:
• Ratio: 2 B2 sheets = 1 B1 sheet
• Fold: B1 folded in half gives B2
• Scale Factor: 70.7%
• Uses: B2 for posters, wall charts, menus

📏 Complete Dimensions

UnitB1B2
Millimetres707 × 1000 mm500 × 707 mm
Centimetres70.7 × 100.0 cm50.0 × 70.7 cm
Inches27.8 × 39.4 in19.7 × 27.8 in
Pixels @ 72 DPI2004 × 2835 px1417 × 2004 px
Pixels @ 300 DPI8350 × 11811 px5906 × 8350 px
Pixels @ 600 DPI16701 × 23622 px11811 × 16701 px

🎨 Common Uses

  • B1: Technical drawings, architectural plans, medium-large posters
  • B2: Medium posters, wall charts, menus, presentation boards

🔁 Related Conversions

❓ Frequently Asked Questions

Is B2 half of B1? Yes — B2 is exactly half the area of B1.

How do I convert B1 to B2? Fold B1 in half, or scale down to 70.7% when printing.