B4 to B5 Conversion
B5 is exactly half of B4. Folding a B4 sheet in half gives you a B5 sheet. This conversion is used frequently for book formats and printing.
B4 (Original)
B4
250 × 353 mm
9.8 × 13.9 in
9.8 × 13.9 in
B5 (Result)
B5
176 × 250 mm
6.9 × 9.8 in
6.9 × 9.8 in
📊 B4 vs B5 Quick Facts:
• Ratio: 2 B5 sheets = 1 B4 sheet
• Fold: B4 folded in half gives B5
• Scale Factor: 70.7%
• Uses: B5 for trade paperbacks, notebooks, diaries
• Ratio: 2 B5 sheets = 1 B4 sheet
• Fold: B4 folded in half gives B5
• Scale Factor: 70.7%
• Uses: B5 for trade paperbacks, notebooks, diaries
📏 Complete Dimensions
| Unit | B4 | B5 |
|---|---|---|
| Millimetres | 250 × 353 mm | 176 × 250 mm |
| Centimetres | 25.0 × 35.3 cm | 17.6 × 25.0 cm |
| Inches | 9.8 × 13.9 in | 6.9 × 9.8 in |
| Pixels @ 72 DPI | 709 × 1001 px | 499 × 709 px |
| Pixels @ 300 DPI | 2953 × 4169 px | 2079 × 2953 px |
| Pixels @ 600 DPI | 5906 × 8339 px | 4157 × 5906 px |
🎨 Common Uses
- B4: Newspapers, larger books, technical brochures
- B5: Trade paperbacks, notebooks, diaries, larger books
🔁 Related Conversions
- B4 to B3 – Double size
- B5 to B4 – Reverse conversion
- B5 to B6 – Half size
- B-Series Hub – All B-series sizes
❓ Frequently Asked Questions
Is B5 half of B4? Yes — B5 is exactly half the area of B4.
How do I convert B4 to B5? Fold B4 in half, or scale down to 70.7% when printing.