6 × 6 × 6 Box Dimensional Weight
Billable weight for a 6 × 6 × 6 in box, a common size for candles, mugs and small accessories, on UPS, FedEx, USPS, international express and air cargo.
Updated · By Niraj Kumar · 8 sources
https://checkpre.com/logistics/6x6x6-box-dimensional-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
- USPS Ground Advantage
- 1 lb
- Actual weight (DIM exempt)
- USPS Priority Mail
- 1 lb
- Actual weight (DIM exempt)
- UPS Ground
- 2 lb
- 1 lb over actual weight · DIM weight
- FedEx Ground
- 2 lb
- 1 lb over actual weight · DIM weight
- 1USPS Ground Advantage÷ 1391 lb
- 2USPS Priority Mail÷ 1391 lb
- 3UPS Ground÷ 1392 lb
- 4FedEx Ground÷ 1392 lb
| Service | Divisor | DIM weight | Actual | Billable, shipment | Billed on |
|---|---|---|---|---|---|
| USPS Ground Advantage | 139 | Exempt | 1 lb | 1 lb | Actual weight (DIM exempt) |
| USPS Priority Mail | 139 | Exempt | 1 lb | 1 lb | Actual weight (DIM exempt) |
| UPS Ground | 139 | 2 lb | 1 lb | 2 lb | DIM weight |
| FedEx Ground | 139 | 2 lb | 1 lb | 2 lb | DIM weight |
How is the 6 × 6 × 6 in box's DIM weight calculated?
A 6 × 6 × 6 in box is 216 cubic inches, so UPS and FedEx bill it at no less than 2 lb. USPS bills it at actual weight, because at 216 in³ it is not over one cubic foot. Heavier than 2 lb, every carrier bills actual weight.
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 |
|---|---|---|---|---|
| UPS Ground | 139 | 2 lb | 2 lb | 2 lb |
| FedEx Ground | 139 | 2 lb | 2 lb | 2 lb |
| USPS Ground Advantage | 139 | 2 lb (exempt) | 1 lb | Any weight |
| DHL Express Worldwide | 139 | 2 lb | 2 lb | 2 lb |
| Canada Post Regular Parcel | 6,000 | 1 kg | 1 kg | 1 kg |
| Australia Post Parcel Post | 4,000 | 1 kg (exempt) | 0.5 kg | Any weight |
| Air freight (IATA) | 6,000 | 1 kg | 1 kg | 1 kg |
Worked example
A 6 × 6 × 6 in box weighing 1 lb.
- 1UPS Ground: divisor 139, billed at 2 lb (DIM weight)
- 2USPS Ground Advantage: divisor 139, billed at 1 lb (actual weight)
USPS Ground Advantage bills it lighter, so it takes the smaller DIM penalty.
Frequently asked questions
What is the dimensional weight of a 6 × 6 × 6 box?
2 lb on UPS and FedEx: 216 in³ ÷ 139 = 1.55, rounded up to the next pound. USPS bills it at actual weight, because at 216 in³ it is not over one cubic foot. Internationally it is 1 kg by express courier (÷ 5000) and 1 kg as air cargo (÷ 6000).
How heavy does a 6 × 6 × 6 box have to be to avoid DIM weight?
At least 2 lb on UPS and FedEx. Below that, you pay for 2 lb whatever the box weighs; USPS always bills this box at its actual weight. At a typical 1 lb for candles, mugs and small accessories, you are billed for 1 lb of air.
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
- 8 × 6 × 4 Box Dimensional WeightBillable weight for an 8 × 6 × 4 in box, a common size for cosmetics, phone accessories and supplements, on UPS, FedEx, USPS, international express and air cargo.
- UPS vs FedEx Dimensional Weight CalculatorUPS and FedEx side by side on your box: divisor, rounding, surcharge minimums and billable weight, plus where USPS would come in.
- 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.
More in Freight & Logistics
- 8 × 8 × 8 Box Dimensional Weight
- 10 × 8 × 6 Box Dimensional Weight
- 10 × 10 × 10 Box Dimensional Weight
- 12 × 12 × 6 Box Dimensional Weight
- 12 × 12 × 8 Box Dimensional Weight
- 12 × 12 × 12 Box Dimensional Weight
- 14 × 14 × 14 Box Dimensional Weight
- 16 × 12 × 8 Box Dimensional Weight
- All 58 Freight & Logistics calculators