Size of the A5 paper
- A5 paper size in millimeters is 148 x 210 mm.
- A5 paper size in inches is 5.8 x 8.3 in.
The size of A5 equals half of A4 or double A6.
Envelopes for A5 paper
- For an unfolded A5 you will need an C5 envelope.
- Fold the A5 paper once – C6 envelope.