A2 to A4 Conversion
A4 is a quarter of A2. Folding A2 in half gives A3, and folding A3 in half gives A4 — so A2 to A4 is a 4:1 reduction across both dimensions.
A2 (Original)
A2
420 × 594 mm
16.5 × 23.4 in
16.5 × 23.4 in
A4 (Result)
A4
210 × 297 mm
8.3 × 11.7 in
8.3 × 11.7 in
📊 A2 vs A4 Quick Facts:
• Ratio: 4 A4 sheets = 1 A2 sheet (2 × 2 grid)
• Fold: A2 → A3 → A4 (fold twice)
• Scale Factor: 50% of each dimension
• Uses: A2 for large posters, A4 for standard documents
• Ratio: 4 A4 sheets = 1 A2 sheet (2 × 2 grid)
• Fold: A2 → A3 → A4 (fold twice)
• Scale Factor: 50% of each dimension
• Uses: A2 for large posters, A4 for standard documents
📏 Complete Dimensions
| Unit | A2 | A4 |
|---|---|---|
| Millimetres | 420 × 594 mm | 210 × 297 mm |
| Centimetres | 42.0 × 59.4 cm | 21.0 × 29.7 cm |
| Inches | 16.5 × 23.4 in | 8.3 × 11.7 in |
| Pixels @ 72 DPI | 1191 × 1684 px | 595 × 842 px |
| Pixels @ 300 DPI | 4961 × 7016 px | 2480 × 3508 px |
| Pixels @ 600 DPI | 9921 × 14031 px | 4961 × 7016 px |
🎨 Common Uses
- A2: Medium posters, art prints, wall charts
- A4: Documents, letters, magazines, forms
🔁 Related Conversions
- A2 to A1 – Double size
- A2 to A3 – Half size
- A2 to Pixels – Digital conversion
- A4 to A0 – 16× larger
- A4 to A3 – Double size
❓ Frequently Asked Questions
How many A4 fit in A2? Exactly four A4 sheets fit into one A2 sheet in a 2 × 2 grid.
How do I convert A2 to A4? Fold twice, or scale each dimension to 50% when printing.