Cross-Border Seller Calculators
CBM and Carton Calculator
Compare six packing orientations and estimate cartons, total CBM, and container capacity.
Packing measurements
Carton plan
Enter your inputs, then select Calculate to view the results.
Formula
CBM and carton formulas
Carton fit uses inner dimensions; shipping CBM uses the carton's outer dimensions.
How to use this calculator
- Enter product and carton inputs
Add product dimensions, carton inner and outer dimensions, and the total order quantity.
- Review fit and CBM
Compare all six orthogonal orientations, units per carton, rounded-up carton count, and total CBM.
- Validate the load plan
Use outer dimensions for freight planning and confirm practical packing, weight, and carrier constraints.
Worked example
Example inputs
- Product
- 20 × 10 × 5 cm
- Carton inner
- 40 × 30 × 20 cm
- Carton outer
- 42 × 32 × 22 cm
- Order quantity
- 100 units
Calculation
Best fit = 24 units/carton; cartons = ⌈100 ÷ 24⌉ = 5; one carton = 42 × 32 × 22 ÷ 1,000,000 = 0.029568 m³; total = 0.147840 m³.
What the result means
5 cartons and 0.147840 m³ total shipping volume.
How to use the result
Compare six orthogonal orientations, then use outer dimensions and the rounded-up carton count for shipping CBM.
Common mistakes
- Using outer dimensions for product fit or inner dimensions for freight CBM.
- Treating theoretical container capacity as a practical load plan.
FAQ
Frequently asked questions
Does this support mixed SKUs?
No. The first version estimates one rectangular SKU without tilting, compression, or mixed loading.