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United States Package Dimensional Weight

Compute the DIM weight of a package in the United States and which weight a carrier will bill on.

About United States Package Dimensional Weight

DIM weight = length × width × height ÷ divisor. Carriers charge the greater of actual and dimensional weight for low-density parcels.

Formula

DIM

DIM = L × W × H ÷ divisor

Worked example

With the default values below, United States Package Dimensional Weight returns Billable Weight of 6.91. Change any input above and every figure here is recalculated in your browser.

Inputs used

Lengthaccepts 0.1–200 in
12 in
Widthaccepts 0.1–200 in
10 in
Heightaccepts 0.1–200 in
8 in
Actual weightaccepts 0.1–500 lb
3 lb
Carrier divisorone of UPS / FedEx (139), USPS (166)
UPS / FedEx (139)

Results

Billable Weight
6.91
Dimensional Weight
6.91
Actual Weight
3.00

Step by step

  1. 1Values used
  2. 2DIM
  3. 3Billable Weight= 6.91
  4. 4Dimensional Weight= 6.91
  5. 5Actual Weight= 3.00

Assumptions and limits

  • The result is derived only from the 5 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Carrier divisors change; verify the current rule.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Carrier divisors change; verify the current rule.

Frequently Asked Questions

Which divisor should I use?

UPS and FedEx ground use 139; USPS Priority uses 166. International and DHL rates differ.

How accurate is this estimate?

Rates are approximate reference values. Local rates, exemptions and rules can differ, so treat the output as a planning figure only.

Related Calculators

United States specifics

Currency
$ USDUS Dollar
Region
North America
Country code
US
Amounts look like
$1,234,567.89
Dates look like
Mar 9, 2026
Units
imperialWeek starts Sunday

In United States, imperial units are in everyday use.

Results on this page are expressed in USD (US Dollar). Figures are estimates for general planning — confirm current rates and thresholds with the relevant United States authority before relying on them.

More United States calculators

All 89 United States calculators →

United States Package Dimensional Weight | Calcrivo