What is half of an A4? That's an A5. In millimetres it is 148 mm x 210 mm, in cm 14.8 cm x 21 cm. In inches, an A5 is 5.8 x 8.3 inches.
Paper size guide for beginners & designers
Paper Sizes Explained
The measurement of an A4 size paper is 11.7 inch long and 8.3 inch
A4 Page Size Guide: How to Format Letters, Magazines, and Catalog
Audi, S5-Line A4 A5 S4 S5 Half Perforated Black
What is half of an A4? Half of an A4 is an A5.
A5 white copier paper suitable for all laser and inkjet printers. Ideal for printing invoices, challan, writing notes
IMPRINT A5 Copier Printing Paper 10 reams 5000 half of A4 Sheets, NOT A4 Size, White
Print half of a A4 page onto A5 – Help Center
The Folder People-Understanding Paper Sizes
A5 size! Dimension & usage. Everything you need to know