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Free dimensional weight calculator for sellers and logistics teams. Convert box volume into chargeable weight logic with common divisors (139, 166, 5000, 6000) and optional actual-weight comparison.
Last updated: April 13, 2026
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139 in³/lb — common UPS® / FedEx® domestic parcel DIM
Volume
960 in³
15,732 cm³
0.556 ft³
Dimensional weight (lb)
7 lb
≈ 3.18 kg / 7.00 lb
Billable weight (chargeable)
10 lb
Greater of rounded actual vs dimensional (lb)
Carriers apply their own rounding, minimums, and packaging rules. Use this as a planning estimate only.
Common presets
139 · 166 · 200
Align estimates with UPS/FedEx-style 139 tables or USPS-style 166 retail DIM.
cm³ per kg
5000 · 6000
Model express and international volumetric charging in metric units.
One input set
in³ · cm³ · ft³
Cross-check volume when you negotiate freight or container space.
Chargeable planning
max(actual, DIM)
See which side of the equation drives your label cost.
Flexible
Any positive divisor
Useful for 3PL cubing factors and non-standard tables.
Before you buy labels
Compare carriers
Pair with FedEx, UPS, and USPS calculators on thecalcs for lane-by-lane intuition.
12 × 10 × 8 in, divisor 139, 10 lb actual — DIM rounds up from volume; billable follows the higher of DIM vs actual.
Volume
960 in³
DIM weight
7 lb
Actual
10 lb
Billable
10 lb
We compute volume from your outside dimensions, divide by your selected volumetric divisor, and round up to a whole billing unit (pound or kilogram in this model). If you provide actual weight, we show the billable weight as the greater of rounded-up actual and dimensional weight—useful for parcel quoting literacy.
DIM lb = ceil(L × W × H ÷ divisor)Divisor is in cubic inches per pound (for example 139 or 166).
DIM kg = ceil(cm³ ÷ factor)Factor is cubic centimeters per kilogram (for example 5000 or 6000).
Shipping freight, not parcels? Open the freight cost estimator.
Request a custom calculatorReducing the outer carton—even by an inch on one axis—lowers volume and can drop DIM weight tiers, which is why right-sized packaging is a lever for margin.
Help your fulfillment team understand DIM before peak season.
Suggested hashtags: #Shipping #Ecommerce #Logistics #DIMWeight #thecalcs