Transportation Cost Calculator
Estimate freight costs across LTL, FTL, parcel, and intermodal shipping modes based on weight, distance, and fuel surcharges. Use this when comparing carriers, planning shipment consolidation, or budgeting logistics spend.
About this calculator
Transportation cost modeling multiplies a base rate by distance and shipment weight, then applies surcharges and a mode-specific multiplier. The formula used here is: Cost = (baseRatePerMile × distance × (weight / 1000)) × (1 + fuelSurcharge / 100) × modeMultiplier. The weight is divided by 1,000 to convert pounds into a hundredweight (CWT) pricing convention common in freight. Mode multipliers reflect the relative cost efficiency of each shipping method: Full Truckload (FTL) carries a multiplier of 1.0 as the baseline; Less-Than-Truckload (LTL) uses 1.2 because shared-trailer handling adds cost; Parcel uses 1.8 reflecting premium per-package handling; and Intermodal uses 0.9 because rail line-haul is cheaper than over-the-road trucking for long distances. The fuel surcharge, expressed as a percentage, is applied as a multiplier on top of the base cost and fluctuates weekly with diesel index prices.
How to use
A shipper needs to move 8,000 lbs over 500 miles via LTL. The base rate is $2.50/mile and the fuel surcharge is 20%. Step 1: Base freight = $2.50 × 500 × (8,000 / 1,000) = $2.50 × 500 × 8 = $10,000. Step 2: Apply fuel surcharge = $10,000 × (1 + 20/100) = $10,000 × 1.20 = $12,000. Step 3: Apply LTL mode multiplier = $12,000 × 1.2 = $14,400. The estimated LTL shipment cost is $14,400. Running the same inputs with the FTL mode (multiplier 1.0) yields $12,000, showing a $2,400 saving if the shipper can fill a full trailer.
Frequently asked questions
What is the difference between LTL and FTL shipping costs?
LTL (Less-Than-Truckload) means your freight shares trailer space with other shippers' cargo, so you only pay for the cubic space or weight you use — but the carrier charges a premium per hundredweight to cover extra handling, multiple stops, and terminal transfers. FTL (Full Truckload) dedicates an entire trailer to a single shipper, which lowers the per-unit cost significantly when you have enough volume to fill it. As a rule of thumb, shipments over 10,000–15,000 lbs or that occupy more than 12 linear feet of trailer space are usually cheaper to move FTL. This calculator lets you compare both modes side by side to find your crossover point.
How does a fuel surcharge affect transportation costs?
Fuel surcharges are percentage add-ons that carriers apply to base freight rates to recover diesel price fluctuations without renegotiating base contracts. They are typically indexed to the U.S. Department of Energy's weekly national diesel retail price and recalculated weekly or monthly by the carrier. A 20% fuel surcharge on a $10,000 freight bill adds $2,000 — making it one of the largest variable cost drivers in logistics. Shippers can hedge this exposure through fuel adjustment clauses in contracts, lane-rate agreements, or by selecting intermodal shipping, which consumes roughly 3× less fuel per ton-mile than over-the-road trucking.
When does intermodal shipping cost less than full truckload freight?
Intermodal shipping — combining rail line-haul with drayage truck moves at each end — typically becomes cost-competitive with FTL at distances above 750–1,000 miles because rail's fuel efficiency advantage compounds over longer hauls. The mode multiplier of 0.9 in this calculator reflects average intermodal savings of 10–15% versus FTL on eligible lanes. However, intermodal adds 1–2 transit days compared to over-the-road FTL due to terminal dwell times and fixed rail schedules, so it is best suited for non-urgent, high-volume shipments where the cost saving outweighs the transit time penalty. Shorter hauls under 500 miles rarely benefit from intermodal once drayage costs are included.