Standards & Sources Registry

U.S./North American LTL. Applies to freight whose NMFC item uses the density-based structure.

Not a commodity or item lookup. Handling, stowability, liability and item-specific rules can change the applicable class. The NMFC tariff itself is proprietary.

General air cargo planning. Individual airlines, forwarders and express services set their own rules.

Divisor, rounding and per-piece vs per-shipment treatment are set by the airline or service. Confirm before relying on a figure.

Parcel/courier services. Not airline freight and not LTL.

Contract enterprise rates and specific retail services differ. Confirm with your carrier agreement.

U.S. domestic parcel courier services in inches and pounds.

Policy can change and may differ by service tier and negotiated contract.

USPS Priority Mail and Priority Mail Express domestic parcels.

Does not apply to Priority Mail Flat Rate, Ground Advantage, or contract commercial tiers.

UPS small package ground and express services in the United States.

Surcharge amounts vary by destination, peak season, and account agreement. Verify your commercial contract.

FedEx Express and FedEx Ground U.S. domestic package services under published standard rates.

Negotiated customer contracts and enterprise accounts may specify custom divisors (such as 166) or alternate measurement rounding rules. Refer to your customer agreement or current FedEx Service Guide.

FedEx Express and FedEx Ground U.S. domestic services.

Specific services and peak surcharges vary. Check current FedEx Service Guide tariff tables.

Standard dry containers. Not reefers, open tops, flat racks or special equipment.

Actual equipment dimensions and payload limits vary by container, manufacturer, age and operational restrictions. Verify the specific container and its CSC plate.

Flat pallets in intercontinental trade.

Many regional and company-specific pallets exist. Pallet height, tare and load rating vary by manufacturer and condition.

European road freight and many international flows.

Only genuine, undamaged, correctly marked pallets are EPAL-compliant. Weight and height vary.

European road freight planning only.

Forwarders define LDM conversions, minimum weights and stacking rules differently. Not a universal tariff.

Ocean LCL planning.

Minimums, surcharges, origin and destination charges and rating basis are set by the carrier or consolidator.

U.S./Canada LTL planning.

Carrier thresholds and pricing rules vary. This site does not state any carrier threshold.