A4 to A0 Conversion

A0 is 16 times the area of A4. This is the largest common jump between A-series sizes — you'd need to fold A0 four times to reach A4. This scale is used for large-format printing.

A4 (Original)
A4
210 × 297 mm
8.3 × 11.7 in
A0 (Enlarged)
A0
841 × 1189 mm
33.1 × 46.8 in
📊 A4 → A0 Quick Facts:
• Scale Up: 400% of each dimension (4 × width, 4 × height)
• Ratio: A0 = 16 × A4 (in area)
• Grid: 4 × 4 layout of A4 tiles
• Uses: Large-format posters, technical drawings

📏 Complete Dimensions

UnitA4A0
Millimetres210 × 297 mm841 × 1189 mm
Centimetres21.0 × 29.7 cm84.1 × 118.9 cm
Inches8.3 × 11.7 in33.1 × 46.8 in
Pixels @ 72 DPI595 × 842 px2384 × 3370 px
Pixels @ 300 DPI2480 × 3508 px9933 × 14043 px
Pixels @ 600 DPI4961 × 7016 px19866 × 28087 px

🖨️ Printing A4 to A0

  • Scale up 400% — but you need a high-res source
  • Vector graphics scale perfectly (SVG, AI, PDF)
  • Raster images require the original at 300 DPI at A0 size (9933 × 14043 px)
  • Use a large-format printer or professional print service
  • Expect significant file size — check your printing software

🎨 Common Uses of A0

  • Large posters: Event advertising, movie posters
  • Technical drawings: Engineering and architectural plans
  • Trade show displays: Booth graphics and pull-up banners
  • Art prints: Gallery-quality reproductions

🔁 Related Conversions

❓ Frequently Asked Questions

How many A4 fit in A0? Exactly sixteen A4 sheets fit into one A0 sheet in a 4 × 4 grid.

How do I enlarge A4 to A0? Scale each dimension by 400%, or tile 16 A4 pages onto one A0 sheet.