24x24x24 box dimensional weight

13,824 cubic inches (8 cu ft, 0.2265 m³). Often used for large bulky goods, furniture parts.

Billable weight floor by carrier

Packed lighter than this, you are billed this weight anyway.

Stepping down to a 30 × 20 × 20 in box drops the UPS and FedEx floor to 87 lb, 13 lb less per parcel.

This box is over 1 cubic foot, so USPS applies dimensional weight.

Your box Rounded up by USPSWhole numbers, nothing rounded

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USPS · divisor 139

Priority Mail, Priority Mail Express, Ground Advantage, Parcel Select

Billed on dimensions

Billable weight

100lb

You pay for 60 lb of air on every box.

A box 1 inch smaller on every side bills 12 lb less.

What is the dimensional weight of a 24x24x24 box?

13,824 cubic inches ÷ 139 = 99.45, rounded up to 100 lb for UPS Daily Rates and FedEx. USPS also bills 100 lb since the July 2026 change.

How heavy does a 24x24x24 box need to be to avoid DIM charges?

With UPS and FedEx, anything packed under 100 lb is billed as 100 lb. Above that, you pay actual weight.

Carrier rules verified 2026-09-30. Methodology