Dimensional Weight (DIM)
DIM and billable weight from L*W*H and carrier divisor.
Example
You enter
- Length (in) 12
- Width (in) 12
- Height (in) 12
- Actual weight (lb) 5
- Carrier UPS_Daily
You get
- Dimensional weight 12.4 lb
- Billable weight 12.4 lb
- Divisor 139
Details, formula, and sources
DIM weight (lb) = L × W × H (in) / divisor. Billable weight = max(DIM, actual). Divisors are carrier-published per tariff (UPS, FedEx, USPS, DHL, LTL freight); cited by carrier name only.
Carrier-published tariffs (UPS Daily / Retail, FedEx Ground / Express, USPS Priority Mail, DHL Express, LTL freight) as of build date. Cited by carrier name only; tariff text not reproduced.
Free at each carrier's published rate guide (ups.com/rates, fedex.com/rates, usps.com, dhl.com).
Math aid for personal verification. The ELD on the truck and the carrier tariff are the legal record. State limits may be lower than federal.
Field names used by the API: length_in, width_in, height_in, actual_weight_lb, carrier, dim_lb, billable_lb, divisor
- Divisor table data/trucking/dim-divisors.json keyed to carrier-tiercarrier-attributed per row