Package Dimensions
Dimensional Weight by Carrier
Dimensional Weight Factors
| Carrier | Factor (in³/lb) | Factor (cm³/kg) |
|---|---|---|
| UPS/FedEx Domestic | 139 | 5000 |
| UPS/FedEx International | 166 | 6000 |
| USPS Priority Mail | 166 | 6000 |
| DHL Express | 139 | 5000 |
Formula: DIM Weight = (L × W × H) ÷ Factor
Carrier Size Limits
| Carrier | Max Size (L + Girth) | Max Weight |
|---|---|---|
| UPS Ground | 165 in (419 cm) | 150 lbs (70 kg) |
| FedEx Ground | 165 in (419 cm) | 150 lbs (70 kg) |
| USPS Priority | 108 in (274 cm) | 70 lbs (31.8 kg) |
| USPS Retail Ground | 130 in (330 cm) | 70 lbs (31.8 kg) |
Girth Formula: Length + 2×(Width + Height)
About This Calculator
The Package Volume Calculator helps you determine shipping costs by calculating both actual weight and dimensional (DIM) weight. Carriers charge based on whichever is greater—this is called the "billable weight."
Why dimensional weight matters: Large, lightweight packages take up truck space without contributing much actual weight. DIM weight ensures carriers are compensated for the space used, not just the weight carried.
Enter your package dimensions and actual weight to see volume calculations, DIM weight across different carriers, and your expected billable weight. Use this to optimize packaging and reduce shipping costs.
Privacy & Limitations
- All calculations run entirely in your browser -- nothing is sent to any server.
- Results are estimates and may vary based on actual conditions.
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Package Volume Calculator FAQ
What is Package Volume Calculator?
Package Volume Calculator is a free utility & everyday tool that helps you Calculate package dimensions and shipping volume.
How do I use Package Volume Calculator?
Enter your input values, review the calculated output, and adjust inputs until you reach the result you need. The result updates in your browser.
Is Package Volume Calculator private?
Yes. Calculations run locally in your browser. Inputs are not uploaded to a server by default, and refreshing the page clears session data.
Does Package Volume Calculator require an account or installation?
No. You can use this tool directly in your browser without sign-up or software installation.
How accurate are results from Package Volume Calculator?
This tool applies standard formulas or deterministic processing logic for estimates. For medical, legal, tax, or investment decisions, verify with a qualified professional.
Can I save or share outputs from Package Volume Calculator?
You can bookmark this page and copy outputs manually. Results are not persisted in your account and are typically not embedded in the URL.