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Costs & conversionCOSTS & CONVERSION
Fuel Surcharge per Mile & Shipment Calculator
Calculate a distance-based fuel surcharge from entered current and base fuel prices, with an optional zero floor.
Fuel surcharge calculator
Calculate a distance-based fuel surcharge from entered current and base fuel prices, with an optional zero floor.
YOUR RESULT LIVE CALCULATION
Entered fuel adjustment
$226.92/ shipment
DISTANCE-BASED ESTIMATE- Adjustment per mile
- $0.4538
- Applied difference per US gallon
- $2.95
- Chargeable distance
- 500 mi
- Zero floor
- Enabled
No live index or carrier tariff is used. Contract rules determine chargeable distance, rounding and permitted credits.
BEHIND THE NUMBER
How the calculation works
The optional floor replaces a negative price difference with zero. Without it, a price below the base produces a credit scenario. Shipment adjustment equals the distance rate times entered chargeable distance. Prices, currency, fuel type, efficiency, and distance must match the contract basis. Metric conversion uses US gallons, not imperial gallons.
Imperial: surcharge/mile = (current price - base price) / MPG; metric: surcharge/km = price difference × L/100 km / 100
When this calculation helps
A surcharge calculation needs an agreed index, base threshold, efficiency basis, and chargeable distance or rate rule. Match the entered model to the commercial agreement before comparing the amount with an invoice.
Check the interpretation
Example index and base values are not live fuel prices. A floor at zero is an explicit assumption and may differ from a contract that allows a credit. Do not apply a percentage to a different charge base without converting it consistently.
This is a continuous entered-price model, not a carrier tariff or an automatic government-index lookup. Contract tables, rounding, price periods, minimums, and percentage-of-linehaul methods can produce different charges.
Worked example: Freight Invoice Auditing: Match Charges Before Disputing Them
Good to know
Is this the same as a percentage fuel surcharge?
No. This tool models a distance-based adjustment from a fuel-price difference and consumption. A percentage applied to linehaul is a different contract method.
What if fuel is below the base price?
With the floor enabled, the result is zero. If you disable it, the model reports a negative adjustment as a credit scenario; your contract determines whether such credits apply.