Net Weight vs Gross Weight in Shipping: What’s the Difference?
In shipping and logistics, understanding net weight vs. gross weight is critical for accurate pricing, compliance, and delivery efficiency.
Many eCommerce sellers confuse these terms, which can lead to:
- Incorrect shipping charges
- Courier disputes
- Delayed deliveries
Let’s break it down in a simple and practical way.
What is Net Weight?
Net weight refers to the actual weight of the product only, without any packaging.
Key Points:
- Excludes packaging material
- Represents the pure product weight
- Used for product labeling and inventory
Example:
If a product weighs 1 kg without packaging → Net weight = 1 kg
What is Gross Weight?
Gross weight is the total weight of the shipment, including the following:
- Product
- Packaging
- Boxes
- Wrapping materials
Key Points:
- Includes everything in the shipment
- Used by couriers for billing
- Affects shipping cost directly
Example:
Product (1 kg) + packaging (0.5 kg) → Gross weight = 1.5 kg
What is Tare Weight?
To fully understand the difference, you should also know:
Tare Weight = Weight of packaging only
Formula:
- Gross Weight = Net Weight + Tare Weight
Simple Formula Breakdown
- Net Weight = Product weight
- Tare Weight = Packaging weight
- Gross Weight = Net + Tare
Example:
- Product = 2 kg
- Packaging = 0.5 kg
- Gross weight = 2.5 kg
Net Weight vs Gross Weight vs Volumetric Weight
| Factor |
Net Weight |
Gross Weight |
Volumetric Weight |
| Definition |
Weight of the product only |
Total weight including packaging |
Weight based on package size (dimensions) |
| Includes Packaging |
No |
Yes |
Yes (based on volume) |
| Used For |
Product labeling |
Shipping & billing |
Courier pricing calculation |
| Impact on Shipping Cost |
No direct impact |
Direct impact |
Often highest cost factor |
| Calculation Method |
Actual product weight |
Product + packaging weight |
(Length × Width × Height) ÷ divisor |
| Example |
1 kg product |
1.5 kg (with packaging) |
2 kg (based on box size) |
| Importance for Sellers |
Low |
High |
Very High |
Why This Matters in eCommerce Shipping
Incorrect weight calculation can cause the following:
- Overcharging or undercharging
- Courier penalties
- Delivery delays
- Customer dissatisfaction
For eCommerce sellers:
- Couriers charge based on gross weight or volumetric weight
- Small mistakes can increase shipping costs significantly
Common Mistakes Sellers Make
- Using net weight instead of gross weight for shipping
- Ignoring packaging weight
- Not accounting for volumetric weight
- Choosing courier without checking weight rules
No Volumetric Weight Up to 2kg: Smarter Shipping with Shipmozo
In eCommerce shipping, costs are often calculated using volumetric weight, which means sellers end up paying based on package size rather than actual product weight—leading to higher and unpredictable shipping expenses.
Shipmozo simplifies this by offering no volumetric weight charges up to 2kg, allowing shipments to be billed closer to their actual weight instead of inflated dimensional calculations.
This helps eCommerce businesses maintain better cost control, improve margins on lightweight products, and avoid constant packaging adjustments.
By removing volumetric complexity for most small shipments, Shipmozo enables sellers to ship more efficiently, reduce hidden costs, and scale their logistics with greater predictability.
Pro Tips for Sellers
- Always measure final packed weight
- Use accurate weighing tools
- Optimize packaging to reduce extra weight
- Use a multi-courier platform like Shipmozo for better efficiency
Final Conclusion
Net weight = product weight
Gross weight = total shipment weight
Understanding this difference helps you:
- Reduce shipping costs
- Avoid courier issues
- Improve delivery efficiency
For growing eCommerce businesses, using the right tools and systems—like Shipmozo—can simplify shipping and make operations more reliable.
Frequently Asked Questions
1. What is the main difference between net weight and gross weight?
Net weight is the product weight only, while gross weight includes packaging and total shipment weight.
2. Which weight is used for shipping charges?
Couriers use gross weight or volumetric weight, whichever is higher.
3. What is tare weight in shipping?
Tare weight is the weight of packaging materials without the product.
4. Why is gross weight important in logistics?
It determines shipping cost, handling requirements, and courier selection.
5. Can incorrect weight affect delivery?
Yes, incorrect weight can lead to delays, penalties, and higher shipping costs.