Size and weight guidelines
Postage for mail and parcel shipping depends on the size of your parcel or letter.
| Destination | Maximum weight | Maximum length2 | Maximum dimensions |
|---|---|---|---|
| Domestic | Maximum weight 22kg |
Maximum length2 105cm |
Maximum dimensions 0.25 cubic metres |
| International | Maximum weight 20kg |
Maximum length2 105cm |
Maximum dimensions 140cm girth |
How we assess postage for parcels sent within Australia
Prepaid satchels 5kg and under
Postage for prepaid satchels and mailing boxes is based on size, not weight. Choose from 4 sizes.
Flat rate packaging 5kg and under
Flat rate postage is based on size, not weight. Choose from boxes, mailing tubes, tough bags and more.
Other packaging 5kg and under
Use other packaging (yours or ours) and postage is based on the weight or cubic weight (whichever is greater2), and the destination.
Sending 5kg - 22kg
The postage for parcels 5kg – 22kg is based on the weight or cubic weight (whichever is greater2), and the destination.
How we assess postage for parcels sent overseas
International parcels are charged according to actual weight. The maximum weight you can send is 20kg and the maximum girth is 140cm.
Note: You don't need to cube Australia Post international prepaid satchels or flat rate satchels.
Maximum letter size and weight3
| Destination | Size | Maximum weight | Maximum dimensions | Maximum thickness |
|---|---|---|---|---|
| Sending within Australia | Size Small envelope |
Maximum weight 250g |
Maximum dimensions 130 x 240mm |
Maximum |
