Parcel weight and volume after using cssbuy spreadsheet
Two parcels with the same weight can cost different amounts to send, because a bulky parcel takes up more room than a dense one. This guide explains the idea in plain terms, shows how to use the numbers in your sheet, and labels the one example clearly as hypothetical.
Two numbers, not one
- Actual weight is what the parcel weighs on a scale.
- Volume is the space it occupies, found from length, width and height.
Many carriers compare the two and use the larger figure when estimating, which is why a light, bulky parcel can cost more than you expect. Conditions differ between carriers and routes, so the live rules always take precedence over anything written here.
Why it affects shopping choices
A structured bag keeps its shape and takes up space, while a soft garment folds down. Shoes come with boxes, and boxes take room. If your sheet records dimensions for each candidate, you can see at a glance which items will inflate a parcel, long before you reach checkout.
How to estimate packed size
- Take the length, width and height of the item in centimetres.
- Add a margin for packaging, usually a few centimetres per side.
- Multiply the three numbers for a rough packed volume.
- Compare that with the stated rules for the delivery option you are considering.
This is only a planning tool. The carrier measures the real parcel.
A hypothetical example
What to record in your sheet
| Column | Write | Use |
|---|---|---|
| Item dimensions | L x W x H in cm | Estimate packed size |
| Weight if listed | Grams or kilograms | Compare with volume |
| Packaging note | Box, bag, fragile | Reminder of added bulk |
| Combine? | Yes or no | Think about parcels together |
Weight and volume checklist
Before you decide
- Record dimensions and weight for each item where available.
- Estimate a packed size with a modest margin.
- Read the live rules for the delivery option you are considering.
- Flag anything bulky and light for extra attention.
- Remember that final charges depend on the carrier's measurement.
Where to go next
Bulky items are most common in bags, so see checking bag sizes and materials for ways to estimate space. For the full order of delivery checks, read the shipping checklist, and return to the cssbuy spreadsheet home page when you are done.