40 × 30 × 20 cm Box Volumetric Weight
Chargeable weight for a 40 × 30 × 20 cm carton, a standard European shipping carton, by express courier, national post and air cargo.
Updated · By Niraj Kumar · 8 sources
https://checkpre.com/logistics/40x30x20-cm-box-volumetric-weight
Box
Measure the packed box at its widest points, bulges included. UPS, FedEx and USPS round every fractional inch up.
Parcels are rated box by box; freight on the whole shipment.
Compare
- Canada Post Regular Parcel
- 4 kg
- 1 kg over actual weight · DIM weight
- UPS Worldwide Express
- 5 kg
- 2 kg over actual weight · DIM weight
- FedEx International Priority
- 5 kg
- 2 kg over actual weight · DIM weight
- DHL Express Worldwide
- 5 kg
- 2 kg over actual weight · DIM weight
- Parcelforce Worldwide globalpriority
- 5 kg
- 2 kg over actual weight · DIM weight
- Canada Post Xpresspost / Priority
- 5 kg
- 2 kg over actual weight · DIM weight
Cut the height to 15 cm or less and Canada Post Regular bills actual weight.
- 1Canada Post Regular Parcel÷ 6,0004 kg
- 2UPS Worldwide Express÷ 5,0005 kg
- 3FedEx International Priority÷ 5,0005 kg
- 4DHL Express Worldwide÷ 5,0005 kg
- 5Parcelforce Worldwide globalpriority÷ 5,0005 kg
- 6Canada Post Xpresspost / Priority÷ 5,0005 kg
- 7Australia Post Parcel Post÷ 4,0006 kg
| Service | Divisor | DIM weight | Actual | Billable, shipment | Billed on |
|---|---|---|---|---|---|
| Canada Post Regular Parcel | 6,000 | 4 kg | 3 kg | 4 kg | DIM weight |
| UPS Worldwide Express | 5,000 | 5 kg | 3 kg | 5 kg | DIM weight |
| FedEx International Priority | 5,000 | 5 kg | 3 kg | 5 kg | DIM weight |
| DHL Express Worldwide | 5,000 | 5 kg | 3 kg | 5 kg | DIM weight |
| Parcelforce Worldwide globalpriority | 5,000 | 5 kg | 3 kg | 5 kg | DIM weight |
| Canada Post Xpresspost / Priority | 5,000 | 5 kg | 3 kg | 5 kg | DIM weight |
| Australia Post Parcel Post | 4,000 | 6 kg | 3 kg | 6 kg | DIM weight |
How is the 40 × 30 × 20 cm box's DIM weight calculated?
A 40 × 30 × 20 cm box is 24,000 cm³, so express couriers bill it at no less than 5 kg (÷ 5000), air cargo at 4 kg (÷ 6000) and Australia Post at 6 kg (250 kg per m³).
DIM weight = L × W × H ÷ divisor; billable = max(actual, DIM, surcharge minimum)This page uses the same method as the Shipping DIM Weight Comparison Calculator, which explains each term and assumption in full.
| Service | Divisor | DIM weight | Billed at | Bills actual weight from |
|---|---|---|---|---|
| DHL Express Worldwide | 5,000 | 5 kg | 5 kg | 5 kg |
| UPS Worldwide Express | 5,000 | 5 kg | 5 kg | 5 kg |
| Parcelforce Worldwide globalpriority | 5,000 | 5 kg | 5 kg | 5 kg |
| Canada Post Xpresspost / Priority | 5,000 | 5 kg | 5 kg | 5 kg |
| Canada Post Regular Parcel | 6,000 | 4 kg | 4 kg | 4 kg |
| Australia Post Parcel Post | 4,000 | 6 kg | 6 kg | 6 kg |
| Air freight (IATA) | 6,000 | 4 kg | 4 kg | 4 kg |
Worked example
A 40 × 30 × 20 cm box weighing 3 kg, shipped via DHL Express Worldwide.
- 1Sides as rated: 40 × 30 × 20 cm
- 2Volume: 24,000 cm³
- 3DIM weight: 24,000 ÷ 5,000 = 4.80, rounded up to 5 kg
- 4Actual weight: 3 kg
Billed at 5 kg (DIM weight).
Frequently asked questions
What is the volumetric weight of a 40 × 30 × 20 cm box?
24,000 cm³ ÷ 5000 = 4.80 kg by DHL Express, UPS, FedEx and Parcelforce, charged as 5 kg after rounding up to the next half kilogram. Air cargo divides by 6000 for 4 kg; Canada Post Regular Parcel also uses 6000.
Which carrier bills a 40 × 30 × 20 cm box lightest?
Air cargo and Canada Post Regular Parcel (÷ 6000), at 4 kg of volumetric weight. Express couriers charge 5 kg and Australia Post 6 kg. At a typical 3 kg, the express courier bills 5 kg.
Sources
- UPS, How to determine billable weight · checked
- FedEx, Dimensional weight · checked
- FedEx, 2026 surcharge and fee changes · checked
- USPS, Domestic Mail Manual: dimensional weight · checked
- DHL, How to calculate volumetric weight · checked
- Parcelforce Worldwide, How to measure a parcel for international delivery · checked
- Canada Post, How to cube an item and calculate its volumetric equivalent · checked
- Australia Post, What is cubic weight · checked
Related calculators
- 30 × 20 × 10 cm Box Volumetric WeightChargeable weight for a 30 × 20 × 10 cm carton, small international orders and marketplace parcels, by express courier, national post and air cargo.
- 60 × 40 × 40 cm Box Volumetric WeightChargeable weight for a 60 × 40 × 40 cm carton, export cartons and bulky international orders, by express courier, national post and air cargo.
- DHL Volumetric Weight CalculatorDHL Express chargeable weight: centimetres divided by 5000, rounded up to the next half kilogram, compared with UPS, FedEx and the posts.
- Freight Volumetric Weight CalculatorChargeable weight for a shipment of cartons by air (1:6), road (1:3) and sea LCL (1:1), next to sending the same cartons by express courier.
- Shipping DIM Weight Comparison CalculatorEnter a box once and see what UPS, FedEx, USPS, DHL, national posts and freight would each bill it as, side by side, and which penalizes it least.
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