Shipping invoices are not based on weight alone. If a carton is light but bulky, carriers charge for the space it takes up.
A volumetric weight scale captures a parcel’s length, width, height, and weight, calculates its dimensional (volumetric) weight, and outputs the billable weight your shipping and billing systems need.
This helps you rate shipments correctly at packout, reduce invoice surprises, and keep dimensional records tied to the right order.
Why are volumetric weight scales important?
Carriers now use dimensional (or volumetric) weight as a standard pricing method. That means if a package is large but lightweight, you’ll still be charged for the space it occupies. A volumetric weight scale ensures you capture this data upfront, so you’re not caught off guard by surcharges.
How is volumetric weight calculated?
Most carriers use a simple formula:
Volumetric (Dimensional) weight = (Length × Width × Height) ÷ DIM divisor
The divisor depends on the carrier, service, and units. Many carriers also apply rounding rules (for example, rounding each dimension up, and rounding the calculated weight up to a billing increment).
For example:
- Carton: 40 × 30 × 20 cm
- Volume: 24,000 cm³
- Dimensional weight: 24,000 ÷ 5,000 = 4.8 kg
- If the carrier rounds up: billable DIM weight becomes 5.0 kg
- If actual weight is 3.6 kg, the billable weight becomes 5.0 kg
This is why accurate dimensions matter as much as accurate weight.
How does a volumetric weight scale work?
A volumetric weight scale captures the length, width, and height of the parcel and uses a carrier-defined DIM divisor to convert the volume into a weight value.
When integrated with weighing functionality, it can also compare actual weight vs. volumetric weight, allowing you to charge or pay for whichever is higher.
Modern volumetric weight systems like vMeasure automate this entire process:
- Place or scan the parcel
- The system measures dimensions
- Weight is captured (if paired with a scale)
- Volumetric weight is calculated
- The higher value (actual vs dimensional) is selected
- Data is synced to your WMS, ERP, or shipping software in real time
This eliminates manual measurement steps and ensures accurate, carrier-compliant billing data.
See how it works in real-time:
What are the benefits of using a volumetric weighing scale?
Implementing a volumetric weighing scale in your operation offers numerous advantages:
- Accurate shipping charges: Prevents overpayment or undercharging due to size discrepancies.
- Reduced manual errors: Automates measurements for consistency and speed.
- Faster workflows: Speeds up dimensioning and weighing at the packing or outbound station.
- Improved profitability: Helps optimize packaging choices and reduce carrier penalties.
- Real-time visibility: When connected to WMS, all data is instantly logged and available for audit or reporting.
Who should use a volumetric weight scale?
Any business that handles outbound shipments can benefit from a volumetric weight scale, especially:
- E-commerce fulfillment centers
- Third-party logistics (3PL) providers
- Retail warehouses
- Courier hubs
- Air cargo handlers
Whether you’re shipping thousands of boxes a day or dealing with irregularly shaped packages, a volumetric weighing scale ensures each parcel is measured accurately and efficiently.
How does it integrate with existing systems?
Modern volumetric weight scales are designed to plug into existing WMS (Warehouse Management Systems), ERP, or shipping software. This means all dimension and weight data are automatically transferred—no duplicate entry, no missing fields
You can also configure the volumetric weighing system to trigger barcode scans, attach images, and label packages—all in one touch.
What else can a volumetric weighing system do?
Beyond calculating shipping charges, today’s volumetric weighing system often include multi-functional features like:
- Scanning and documenting each parcel with annotated images
- Storing dimensional history for compliance and billing audits
- Measuring irregular objects with precision
- Enabling customized workflows for specific customers or SKUs
Is a volumetric weighing scale worth it?
If you’re still relying on tape measures or basic scales, you’re likely losing money through inefficiencies and billing inaccuracies. Investing in a volumetric weighing scale or automated volumetric weighing system helps future-proof your operations by:
- Reducing costly shipping errors
- Enhancing accuracy and transparency
- Streamlining fulfillment center performance
Quick FAQ Recap
1. What is a volumetric weight scale?
A volumetric weight scale, also known as a volumetric weighing system, calculates shipping weight based on a parcel’s volume, not just its mass by measuring length, width, and height, then applying a DIM divisor used by carriers.
2. Who benefits most from volumetric weighing systems?
E-commerce fulfillment centers, 3PLs, courier hubs, and air cargo handlers see the most value from volumetric weighing systems, especially when handling high volumes or irregularly shaped parcels.
3. Why use a volumetric volumetric weighing system in logistics?
Because carriers charge based on volumetric weight for large, lightweight packages. A volumetric weighing system ensures accurate DIM data upfront and helps avoid unexpected surcharges.