Each is half the area of the one before, ie A4 paper (297 mm × 210 mm) is half the size of A3 paper (297 mm × 420 mm).

Solomon, in a paper titled ‘Empowering Manufacturing: A3 Problem-Solving Training to Boost Efficiency in Nigeria’s Pharmaceutical Industries,’ said manufacturers are continually seeking ways ...

The best A3 printers are the perfect choice for handling larger prints, like promo displays and posters. Any of the best printers can print on letter, legal and A4-size paper, but what if you need ...