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20 ft vs 40 ft Containers - Essential Guide for Exporters
When starting in international trade, one of the first decisions you’ll face is: should I ship in a 20 ft or 40 ft container?Many assume “bigger is better” — but in shipping, weight and volume don’t scale the same way.
20 ft Container
Space:- 33 CBM (cubic meters)
Cargo Weight Capacity:- 28–29 MT
- Best for:
- Heavy goods like rice, sugar, grains, metals
- Industrial & machinery parts
- Why choose 20 ft?
- Cargo is heavy but not bulky.
- Same weight limit as 40 fit, but cheaper
- Cost: 70–80% of a 40 ft (no half, but lower)
40 ft Container
Space:- 67 CBM (almost double a 20 ft)
Cargo Weight Capacity:- 28–29 MT (same as 20 ft)
- Best for:
- Bulky but light goods like furniture, textiles, cotton, plastics
- Consumer goods where volume matters more
- Why choose 40 ft?
- You meximise cubic space
- Extra volume only costs 20–30% more
- Rule of Thumb for Exporters
- Heavy Cargo → Use 20 ft
- Bulky Cargo → Use 40 ft
- Practical Tip: Always calculate cargo density (weight ÷ volume) before booking.
