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Dimensional weight calculator
Carriers charge the larger of a package's actual weight and its dimensional weight. Check which one you are paying for.
Divisors and rules differ by carrier, service and contract, and change over time. Check yours. Carriers also round up to the next whole pound.
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- Enter length, width and height.
- Enter the actual weight and choose a carrier divisor.
- Compare dimensional and actual weight; the larger is usually what you pay.
Common questions
What divisor do carriers use?
UPS and FedEx commonly use 139 for domestic shipments in inches and pounds, while USPS uses 166 for some services. Check your carrier agreement because negotiated contracts differ.