We already covered shipping methods in Chapter 5, so here’s a quick summary to help you choose the best option for your business.
10.1 Comparing Different Shipping Methods (Sea, Air, Land, Express): Pros and Cons
| Shipping Method | Best For | Cost | Speed | Flexibility |
| Ocean Freight | Large shipments, cost-sensitive cargo | ✅ Low | ⏳ Slow (weeks-months) | Fixed schedules |
| Air Freight | Urgent, high-value, lightweight goods | ❌ High | ⚡ Fast (days) | Limited by weight & regulations |
| Land Freight | Cross-border and regional transport | ✅ Moderate | ⏳ Moderate | Flexible for inland transport |
| Courier Service | Small, urgent shipments (documents, samples) | ❌ Very High | ⚡ Fast (1-5 days) | Limited to small packages |
Quick Tips
Low budget? Choose sea freight.
Urgent shipment? Use air freight or express shipping.
Shipping to Europe/Russia? Consider rail freight.
E-commerce sellers? Express shipping is best for small, fast deliveries.
Conclusion
The best shipping method depends on cost, time, and cargo type. If unsure, Mangors Sourcing can help you optimize your logistics.
10.2 Volumetric Weight vs. Actual Weight: How to Calculate Shipping Costs
In international logistics, shipping fees are not always based on actual weight (Gross Weight). Many shipping methods use volumetric weight (Volumetric or DIM Weight), especially for lightweight but bulky items. Understanding this difference can help you control costs and avoid unnecessary charges.
10.2.1 Actual Weight (Gross Weight)
Definition: The total weight of the goods, including packaging.
Used for: Sea freight, some land freight (especially for heavy cargo).
How to calculate: Simply weigh the shipment (e.g., a box weighing 20kg is charged as 20kg).
However, for air freight, express shipping, and some land freight, volumetric weight is used instead!
10.2.2 Volumetric Weight (DIM Weight)
Definition: A “theoretical weight” based on the space a package occupies. If a package is large but lightweight (e.g., pillows, plastic containers), you are charged based on volume, not actual weight.
Used for: Air freight, express shipping (DHL, FedEx, UPS), some land freight.
Calculation formulas:
| Shipping Method | Formula |
| Express (DHL, FedEx, UPS) | (L × W × H in cm) ÷ 5000 |
| Air Freight | (L × W × H in cm) ÷ 6000 |
| Sea Freight | Charged by CBM (Cubic Meters), not volumetric weight |
| Land Freight | Varies—sometimes by CBM, sometimes by weight |
⚠ Note: The divisor 5000 or 6000 varies slightly by carrier.
10.2.3 Real-Life Example: Volumetric vs. Actual Weight
Example 1: Lightweight, bulky goods
A box of tumblers (60cm × 40cm × 40cm, actual weight = 10kg).
✔ Express (DHL/UPS): (60×40×40) ÷ 5000 = 19.2kg → Charged as 19.2kg.
✔ Air Freight: (60×40×40) ÷ 6000 = 16kg → Charged as 16kg.
✔ Sea Freight: Charged by CBM, not weight.
Since volumetric weight is higher than actual weight, the carrier charges by volumetric weight.
Example 2: Heavy, compact goods
A box of machinery parts (50cm × 50cm × 50cm, actual weight = 30kg).
✔ Express (DHL/UPS): (50×50×50) ÷ 5000 = 25kg → Charged as 30kg (actual weight is higher).
✔ Air Freight: (50×50×50) ÷ 6000 = 25kg → Charged as 30kg.
✔ Sea Freight: Charged by CBM.
Since actual weight is higher than volumetric weight, the carrier charges by actual weight.
10.2.4 How to Reduce Freight Costs
Choose the right shipping method:
- Small & light items → Express (lower volumetric weight).
- Large or heavy items → Sea freight (not based on volume weight).
- Medium-sized shipments → Air freight or LCL shipping (depending on urgency).
Optimize packaging:
- Use custom-sized boxes to avoid empty space.
- Vacuum-pack soft goods (clothing, plush toys) to reduce volume.
Consider freight consolidation:
- LCL (Less than Container Load) sea freight can split costs with other shipments.
Consult a logistics expert:
If you’re unsure about the best shipping method, a professional sourcing partner like Mangors Sourcing can help you optimize costs and reduce unnecessary fees.
Key Takeaways
Actual Weight = Real weight of cargo (used for sea freight, some land freight).
Volumetric Weight = Space-based weight (used for express, air freight, some land freight).
Whichever is higher, you get charged! Understanding this can help you avoid surprises and cut shipping costs.
10.3 Rough Shipping Cost Overview and Special Cargo Considerations
Now that you understand how chargeable weight is calculated, you can use rough freight cost estimates to budget your landed cost. These are just approximate figures – actual costs depend on factors like shipping method, cargo type, and carrier pricing. Always confirm exact costs with your freight forwarder.
10.3.1 Rough Freight Cost Estimates (to the U.S.)
| Shipping Method | Estimated Cost | Delivery Time | Best for |
| Sea Freight (DDP) | $1.5 – $2.5/kg | 20-40 days | Large, non-urgent shipments |
| Air Freight (DDP) | $4.5 – $7.5/kg | 5-10 days | High-value, urgent goods |
| Express (DHL/UPS) | $7.5 – $10.5/kg | 3-7 days | Samples, small urgent shipments |
| Sea Freight (CBM-based) | $100 – $200/CBM | 20-40 days | Bulky items (not weight-based) |
DDP (Delivered Duty Paid) means the forwarder handles customs clearance and last-mile delivery in the destination country.
10.3.2 Special Cargo Considerations
Not all freight companies can handle special cargo like dangerous goods, batteries, or perishable items. These require special handling, extra paperwork, and higher fees.
Dangerous Goods (Hazmat): Flammable, corrosive, or toxic materials cost 2x+ standard rates due to strict regulations.
Batteries, Magnets, Liquids: Lithium batteries and strong magnets require special approval and extra packaging.
Perishable Goods (Cold Chain): Food, medicine, and temperature-sensitive items require refrigerated shipping, increasing costs significantly.
10.3.3 Tips for Handling Special Cargo
Work with specialized freight forwarders: Not all companies handle hazmat, batteries, or perishable goods.
Notify your supplier early: Make sure proper labeling, packaging, and paperwork are prepared in advance.
Get professional support: If you’re unsure, Mangors Sourcing can help find the best logistics solution for your special cargo.
Key Takeaways
Freight costs vary by method, cargo type, and destinationโ€”always check with your forwarder.
Special cargo (hazmat, batteries, cold chain) requires extra handling and costs more.
Plan ahead and choose the right shipping solution to optimize costs and avoid delays.