Shanghai International Logistics Co., Ltd.
Freight transport: Modes, Rates, Breakeven and Cost Drivers
Freight transport is the paid carriage of goods from an origin to a named destination, arranged as a service rather than a one-off trip.
Domestic movement stays inside one country's customs territory, usually by road or rail, and includes the domestic leg of an air or ocean move. Cross-border movement adds customs clearance, whether the border is a road crossing, an airport or a container terminal. Project freight is oversized or high-value cargo moved outside normal commercial handling, requiring route surveys and lashing plans. Groupage freight consolidates several smaller shipments into one unit.
These categories often combine in one job. A groupage consignment from Suzhou to Hamburg is a domestic leg by truck to port, a cross-border leg by ocean plus EU import clearance, and a groupage leg in which two suppliers share one container. Each element carries different overheads.
Carriers quote against one of four units, and the unit chosen usually tells you more about the cost structure than the quoted number itself. Per shipment is a flat charge regardless of size, common for documents and samples. Per weight or measure is charged on gross weight, on the greater of actual and volumetric weight, or on the combined basis used in air freight. Per container applies to full container loads; per pallet to road groupage and full loads.
Road groupage is usually priced as a minimum charge per pallet plus a per-weight band; the minimum protects the carrier against a pallet occupying a full vehicle footprint for a fraction of the permitted load. Ocean rates are priced per container because the vessel slot is scarce, and air rates per chargeable weight because density determines hold volume used.
Comparing quotations is only meaningful once the units are normalised. Convert a per-pallet rate to a per-kilogram rate using the actual loaded weight, not the rated maximum, or the cheaper-looking quote is simply a pallet that is half empty. For ocean freight, compare the per-container rate against achievable density, since forty feet of low-density goods can cost more per kilogram than a full container of dense cargo.
| Pricing unit | Typical use | Main driver | Watch for |
|---|---|---|---|
| Per shipment | Documents, samples | Handling effort | Size-blind above minimum |
| Per weight or measure | Air, express, parcel | Chargeable weight, bands | Volumetric weight dominates |
| Per container | Ocean and rail FCL | Slot price and availability | Density sets cost per kilo |
| Per pallet or load | Road groupage, LTL | Floor space and weight | Minimum charge per pallet |
Every freight rate decomposes into a base charge plus surcharges and accessorials. The base covers the fixed elements of the journey: the line-haul movement, the tractor or vessel slot, standard handling at origin and destination, and empty repositioning. Variable elements move with fuel, congestion and handling intensity, and distance is already inside the line-haul rate.
| Cost driver | How it moves | Typical trigger |
|---|---|---|
| Fuel | Index-linked share of base | Diesel or bunker index above a baseline |
| Handling | Fixed per piece or container | Non-standard cargo, extra lifts |
| Tolls and border fees | Per crossing or kilometre | Weight-based tolls, agency fees |
| Terminal and documents | Per container or shipment | Terminal handling, doc fee |
| Insurance | Share of declared value | Value above the free allowance |
| Cargo handling surcharge | Share of applicable rate | Oversize, hazardous, reefer cargo |
Separating fixed elements, stable within a contract period, from variable elements that scale with piece count, weight and container count, and from pass-through elements set by third parties such as the fuel index or terminal tariff, is the first step in a defensible budget. Pass-through items belong on their own line.
Transport is charged for space consumed, not weight alone, so a formula converts physical volume into the weight on which the carrier bills. The standard form is dimensional weight: length multiplied by width multiplied by height in centimetres, divided by a divisor. Air freight commonly uses 6000 cubic centimetres per kilogram; road and domestic express use 5000 or 4000 depending on carrier and service.
Where a tariff states weight or measure, the carrier bills the greater of actual gross weight and dimensional weight. Dense cargo such as machine parts is billed on actual weight; light, bulky cargo such as empty packaging is billed on dimensional weight. This is the commonest cause of a quote that looks right on paper but invoices well above expectation. Check the divisor before shipment: reducing carton dimensions can move a consignment from measure to weight.
Almost no published base rate survives a full year unchanged. Fuel is the largest single escalator, and it is normally separated from the base so the base can hold for longer. A fuel surcharge is a percentage of the base rate calculated from a published index and a baseline: it rises as the index rises above the baseline and falls below it, often to zero.
Contract rates work the same way but with a floor and a cap. The floor limits how far the index can move the rate in the customer's favour, the cap limits it in the carrier's favour, and a fixed or indexed component covers the remaining cost base. A quotation stating a single all-in price without naming the index, the baseline and the cap prices volatility risk into a number that looks firm.
When comparing two quotations, check four things in the surcharge clause: the index source and its publication frequency, the baseline period, whether the surcharge is capped, and the reference rate the percentage applies to. A percentage applied to a base that excludes documentation and handling will not scale with the all-in cost, so two quotations with the same percentage can differ by more than it suggests. Ask for the worked example at a stated index level; a carrier that cannot show the arithmetic is telling you the rate is not reproducible.
Groupage works by filling a unit with cargo from multiple shippers. The economics come from the difference between the rate for a full load and the sum of the rates for the individual pieces, less the consolidation cost. The saving is conditional on the cargo meeting the required format, on the minimum volume being reached, and on a consolidation slot being available. Cargo presented after the cut-off moves to the next departure and the saving disappears.
Deconsolidation is the mirror operation at the destination, breaking the unit down and allocating freight cost back to each original shipment, usually by chargeable weight or volume.
Accessorial charges are everything the base rate excludes: origin terminal handling, documentation fee, customs entry, seal fees, the cargo handling surcharge for out-of-gauge or hazardous goods, and on the destination side terminal handling, delivery order, demurrage and detention, and inland delivery.
Demurrage is the charge for a container remaining at the terminal or port beyond the free time included in the rate. Detention is the charge for a container remaining outside the terminal with the equipment provider beyond the free period. The two are billed by different parties, and free time is typically only a few days, with per-day rates rising in steps. Missing a delivery window on a container that also has a vessel sailing window is the costliest avoidable error in road and ocean planning.
Mode choice is a cost-time calculation with a reliability term. Air is the highest cost per kilogram and the shortest door-to-door time; ocean is the lowest cost per kilogram for non-urgent cargo and the longest; road sits between them, and rail fills a role on dense corridors with predictable transit. Incoterms 2020 also shapes the comparison, because the point at which cost and risk pass between the parties depends on the term.
| Mode | Relative cost per kg | Transit | Where it wins |
|---|---|---|---|
| Air freight | Highest | Days | Urgent, high value, low density |
| Road | Medium | Same day to days | Regional, short lead time, door delivery |
| Rail | Low to medium | Days | High volume, standard boxes, corridors |
| Ocean | Lowest | Weeks | Heavy, non-urgent, FCL |
The break-even calculation is straightforward once charges are normalised: total cost per shipment divided by chargeable weight gives a comparable unit, plotted against door-to-door transit time for each mode. Reliability is a separate adjustment, because a cheaper mode with an unstable schedule costs more once expediting, rebooking and stock buffer are counted.
A quotation sheet should state the unit of charge, the validity period, the inclusion and exclusion list, the fuel index and baseline, the transit time and its meaning, the free-time allowance, and the charge code structure used for accessorials. If any are missing, the rate cannot be compared, and the budget built on it will be wrong in one direction that only shows at invoice. Transit time deserves care: port-to-port is not door-to-door, and a booking confirmation is not a delivery commitment.
Build the budget from the cost drivers upward rather than from a market rate downward: base cost by mode, then handling by piece count, then fuel exposure at a stated assumption, then the accessorials this lane actually incurs. Then hold three scenarios, index at baseline, index at a stated adverse level, and a delayed shipment with detention, so the budget has a range rather than a single number. Defend it by naming each assumption and its source, and rebase as tariffs move.
The carrier bills the greater of actual gross weight and dimensional weight, or applies the rule stated in the tariff, which may be per shipment, per pallet, per container or per weight-or-measure. Packing to the divisor is the practical lever: shrinking a carton can cut the bill without touching the base rate.
Demurrage applies when the container stays at the terminal or port beyond the free time included in the rate, and is usually billed by the terminal or carrier. Detention applies when the container is outside the terminal with the equipment provider, for example at a consignee's yard awaiting unloading. Both accumulate per day in stepped rates, and both are avoided by agreeing a delivery appointment in advance.
Usually yes on a contract lane, because a cap and a floor make the rate predictable for both sides and let the base rate be held for longer. The commercial question is where the band sits relative to the current index level; a floor far below the current index transfers most of the movement risk to one party.
Rebuild both on the same basis. Take the excluded quotation and add the surcharges this lane actually incurs at current index and tariff levels, then compare all-in totals per shipment and per chargeable kilogram. State the fuel assumption and validity period on the all-in figure, since two quotations built on different index assumptions can differ substantially while both look reasonable on paper.
Shanghai International Logistics Co., Ltd.