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Dimensional Weight Calculator
Enter your package dimensions to compare dimensional and billable weight across major carriers.
How dim weight works
Carriers bill the greater of actual weight or dimensional weight, where dim weight = (L × W × H) / divisor. Domestic US: UPS and FedEx use 139; DHL, USPS, and OnTrac use 166; Asendia uses 175. Metric carriers default to a 5,000 cm³/kg divisor. Numbers shown are pre-rounding; most carriers round up to the next whole pound or kilogram on the invoice.
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