A1 ↔ A3 Converter
Convert measurements and scale drawings between A1 and A3 paper sizes
A1
Width: 594 mm (59.4 cm)
Height: 841 mm (84.1 cm)
In Inches: 23.39" × 33.11"
A3
Width: 297 mm (29.7 cm)
Height: 420 mm (42.0 cm)
In Inches: 11.69" × 16.54"
Scaling Factor
A1 → A3: 0.4994× (Reduction)
A3 → A1: 2.0024× (Enlargement)
Measurement Converter
Scaled measurement on A3
49.94 mm
In mm: 49.94 mm
In cm: 4.99 cm
In m: 0.0499 m
In inches: 1.97 in
Quick Reference Table
| A1 | A3 |
|---|---|
| 10 mm | 4.99 mm |
| 50 mm | 24.97 mm |
| 100 mm | 49.94 mm |
| 200 mm | 99.88 mm |
| 500 mm | 249.70 mm |
| 1000 mm | 499.41 mm |