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Sendle parcel sizes and weights for domestic parcels

Choosing the right size option for your parcel will ensure there are no hiccups along the way. And we’ll show you how to do it!

This article has all the information you need to master the Sendle booking process, how to choose the right size for your parcel and how the shipping cost is calculated.

Choosing the right size

Sendle has one satchel size and five box sizes available – however keep in mind that each size has both a weight and cubic volume limit, and this includes the outer packaging. 

When you’re booking your next parcel, choose a size that fits both the weight and volume under the limit. 

Luckily our order form makes it super easy (and quick). Just put in your parcel’s dimensions, and it’ll help you determine the correct size to book.

Keep in mind: for parcels booked as ‘Handbag’ size or larger and packaged in loose outer packaging (like a bag), then the ‘excess’ space around the parcel contents should be taped down to avoid adjustment charges (as this excess space in larger packaging contributes to the parcel’s volume measurements).


Here are the current Sendle size options:

  • Satchel - up to 500g and 2L/A4 (You can also use this option to book The Unlimited Satchel - no weight limit up to 2L/A4 when using Sendle’s compostable A4 Satchels)
  •  Handbag - up to 1kg and 4L
  •  Shoebox - up to 3kg and 12L
  •  Briefcase - up to 5kg and 20L
  •  Carry-on - up to 10kg and 40L
  •  Check-in - up to 25kg and 100L

Keep in mind that the ‘Check-in’ size is only available for pickup (and not drop off), due to the size restrictions. You can also find out more about international weights here

Maximum sizes

  • The longest side of any parcel cannot be bigger than 1.2m (120cm)
  • The largest volume for any parcel is 100L
  • The heaviest weight for any parcel is 25kg

If the item you’re sending is over-sized, the parcel gets returned back to the sender and Sendle will not be able to refund the original shipping cost. 

For example (and from our experience), while prams and bikes aren’t prohibited, they are simply just too big to send with Sendle (this is also why we don't recommend using Sendle to move house)!

How to calculate volume: 

Volume is calculated as a cube (like a box) in litres. Litres are calculated by multiplying the centimetre of the three dimensions in centimetres and dividing by one thousand (height X width X depth [all in cm] ➗ 1000).

Examples using weight and volume measurements

Parcel A

Weight: 1.5kg
Volume: 20L (10cm x 40cm x 50cm)
Correct size: Briefcase (5kg and 20L)

Even though the weight fits a smaller size (Shoebox 3kg and 12L), the volume is too large for this option (because it is 20L), so the correct size becomes ‘Briefcase’ – as it has a larger volume allowance. 

Parcel B

Weight: 2.5kg
Volume: 2L (1cm x 40cm x 50cm)
Correct size: Shoebox (3kg and 12L)

Even though the volume fits a smaller size (Handbag 1kg and 4L) the weight is too heavy for this option (as it is 2.5kg), so the correct size is Shoebox with the heavier weight allowance. 

Parcel C

Weight: 20kg
Volume: 104L (43cm x 40cm x 60cm)
Correct size: None 

Even though the weight is below the maximum size allowed (Check-in 25kg and 100L) the volume is over the maximum allowed to be sent with Sendle and will not be collected.

Mailing tubes/cylinder-shaped parcels

Mailing tubes, or any parcel that is cylinder-shaped, are charged on the same basis as all Sendle parcels – that is, we need to consider both the weight (kg) and volume (L). 

  • To find the volume, we still want to treat it like we’re finding the volume of a box, only with diameters instead of width/height.
  • For a tube/cylinder, this would be (length x diameter x diameter)/1000 = litres. 

Here’s an example: a tube that is 100cm long, with a diameter of 12 cm is: (100x12x12cm)/ 1000 = 14.4L

Also, take note of how your label fits on the tube. It’s very important that the parcel can scan correctly, otherwise the courier may reject it at pick-up.

If your parcel is over the selected size

If your parcel is found to be larger in either weight or volume (including outer packaging) once it goes through processing at the depot, an adjustment charge may be added to your invoice. We’ve put all the information about adjustment charges here.

Want to get started? You might like these:

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