Freight Totals

Rules and Sources

Review the dated freight classification, carrier-rule, measurement, pallet, trailer, and container source records maintained by Freight Totals.

Source-record dates identify when the stored citation record was captured, not a guarantee that a rule remains unchanged. Contract terms and the applicable official document control.

SourceApplies toRecord dateReview risk
Worldscale Association: Worldscale Help: Definition, Market Levels and Calculation of Freight
Current route flat rates and full schedule data are licensed Worldscale material. Obtain the applicable edition and voyage record from an authorized subscription and follow the charter-party wording.
Official explanation of Worldscale tanker flat rates, market percentages, additions, differentials, and the freight-payment formula2026-08-25annual
NMFTA: NMFC 13-Sub Density and Class Breaks
Density is not the only classification characteristic. Handling, stowability, liability, packaging, item rules, and tariffs can change the official class.
Density-based NMFC provisions only2026-08-13NMFC-update
NMFTA: How is the density of a handling unit calculated?
Measure the greatest straight-line dimensions, including pallet, packaging, overhang, and projections.
LTL handling-unit measurement2026-08-12NMFC-update
UPS: Shipping Dimensions and Weight
Contract and service terms control. Confirm the rate type shown on the shipment.
UPS US package services; Daily and Retail rate types2026-08-12carrier-change
FedEx: What is dimensional weight?
Service guides and account terms control.
FedEx US, Puerto Rico, and international package shipments described by the source2026-08-12carrier-change
UPS Supply Chain Solutions: Chargeable and volumetric weight calculator
Forwarder, lane, contract, and minimum-charge rules vary.
UPS SCS calculator modes2026-08-12carrier-change
USPS Postal Explorer: Commercial Mail: Physical Standards
Lower limits and nonstandard fees can apply by product.
US domestic commercial parcels described by DMM 2012026-08-12carrier-change
CHEP: Pooled Wood Block Pallet, 48 x 40 in
Capacity depends on the actual pallet design, condition, support, load distribution, and handling environment.
North American pooled 48 x 40 inch wood block pallet example2026-08-12manual-check
NIST: SI Units - Length
The conversion is exact, but shipment measurements and carrier rounding remain user and service inputs.
Exact inch-to-centimeter conversion used for volume and density unit conversions2026-08-12stable
FMCSA: Cargo Securement Rules
A rectangular capacity estimate is not a securement plan and does not establish legal axle or gross weight compliance.
US commercial motor vehicle cargo securement context2026-08-12manual-check
CHEP: Standard Pallet Dimensions and Specifications
Pallet construction and load ratings are model-specific. A regional footprint is not a universal capacity specification.
Examples of regional pooled pallet dimensions and heights2026-08-12manual-check
European Pallet Association: EPAL Load Carriers Overview
Ratings apply to conforming EPAL pallets in serviceable condition and do not replace a site-specific handling review.
EPAL 1, EPAL 2, EPAL 3, EPAL 6, and EPAL 7 published dimensions and safe working loads2026-08-12manual-check
Loscam: Wooden Pallet Australia 1165 x 1165 mm
Tare and capacity depend on condition, moisture, support, and the specific pallet supplied.
Loscam Australian standard wooden pallet example2026-08-12manual-check
Japan Pallet Association: Pallets and the T11 Standard
The standard dimensions do not establish a universal material, construction, condition, or capacity.
Japanese T11 through-transit flat pallet standard at 1100 x 1100 x 144 mm2026-08-13manual-check
Materials: Effect of Pallet Top-Deck Stiffness on Box Compression Strength
The documented construction is a representative research design, not a universal specification for every GMA-style pallet.
Documented 48 x 40 inch GMA-style research pallet construction with seven top and five bottom deckboards2026-08-12stable
NMFTA: FCDC Docket 2025-1
The public docket is historical rulemaking context. Current authoritative item lookup requires the current NMFC through NMFTA.
Docket behind the July 19, 2025 NMFC changes and 13-sub density scale2026-08-12NMFC-update
NMFTA: ClassIT+ Release Notes for February 5, 2026
Docket proposals and later disposition material must be distinguished from effective NMFC provisions.
Confirmation that Docket 2026-1 became available in ClassIT+ in February 20262026-08-12NMFC-update
NMFTA: ClassIT+
NMFC content is proprietary to NMFTA and may require a subscription or account.
Authoritative NMFTA tool for current NMFC item and rule lookup2026-08-12NMFC-update
FedEx: Freight Class Calculator and 13-Sub Scale
Carrier examples are explanatory only. NMFTA item provisions and current carrier terms control classification and rating.
Carrier reference confirming 18 valid freight classes and the current 13-sub density scale2026-08-12NMFC-update
UPS Supply Chain Solutions: Freight Shipping Guide: What is freight class?
Examples describe characteristics, not authoritative commodity-item assignments.
Carrier explanation of the 18-class range and four classification characteristics2026-08-13NMFC-update
Hapag-Lloyd: 45' Standard High Cube
Actual equipment varies by manufacturer and unit.
Example 45 foot high cube container fleet specification2026-08-12manual-check
Hapag-Lloyd: 20' Reefer
Actual equipment and usable airflow envelope vary by manufacturer and unit.
Example 20 foot reefer fleet specification2026-08-12manual-check
Hapag-Lloyd: 40' Reefer High Cube
Actual equipment and usable airflow envelope vary by manufacturer and unit.
Example 40 foot high cube reefer fleet specification2026-08-12manual-check
Hapag-Lloyd: 20' Open Top
Roof opening, bows, tarpaulin, overheight acceptance, and actual equipment must be confirmed.
Example 20 foot open top fleet specification2026-08-12manual-check
Hapag-Lloyd: 40' Open Top
Roof opening, bows, tarpaulin, overheight acceptance, and actual equipment must be confirmed.
Example 40 foot open top fleet specification2026-08-12manual-check
IFTA, Inc.: Current Tax Rate Matrix
Base-jurisdiction filing instructions, matrix notes, split rates, amendments, exemptions, penalties, interest, and rounding control the filed return.
Official 3Q 2026 IFTA fuel-tax matrix displayed in US dollars per US gallon2026-08-12carrier-change
IFTA, Inc.: Tax Rate Matrix Downloads
Only finalized, validated quarterly data is promoted by the automated pipeline; a failed refresh retains the previous verified snapshot.
Official current and archived quarterly matrix download center2026-08-12carrier-change
U.S. Energy Information Administration: Weekly U.S. No. 2 Diesel Retail Prices
A contract may specify a different EIA geography, publication lag, index, base price, rounding method, or surcharge table.
EIA weekly national and PADD on-highway diesel retail price observations2026-08-12carrier-change
OpenStax: Conditions for Static Equilibrium
The calculator is a simplified rigid-body statics model and does not reproduce suspension behavior, dynamic loads, equipment ratings, or scale measurements.
Force and torque equilibrium principles used by the axle load distribution model2026-08-13stable
U.S. Bureau of Labor Statistics: Heavy and Tractor-trailer Truck Drivers
National occupational information does not determine a specific contract, classification, tax treatment, wage entitlement, or settlement.
Occupational context only; calculator outputs use exclusively user-entered compensation terms2026-08-12annual
Hapag-Lloyd: 20' Standard
Actual equipment varies by manufacturer and unit. Confirm booked equipment and use custom dimensions when required.
Example dry-container fleet specification2026-08-12manual-check
Hapag-Lloyd: 40' Standard
Actual equipment varies by manufacturer and unit. Confirm booked equipment and use custom dimensions when required.
Example dry-container fleet specification2026-08-12manual-check
Hapag-Lloyd: 40' Standard High Cube
Actual equipment varies by manufacturer and unit. Confirm booked equipment and use custom dimensions when required.
Example dry-container fleet specification2026-08-12manual-check

Copyright boundary

Freight Totals does not reproduce a commodity or NMFC item database. ClassIT+ is the official home for licensed NMFC data. The public class calculator is a density-based planning estimator only.

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