About this calculator

Calculate an additional fuel surcharge under an entered percentage-of-linehaul or per-mile agreement. Choose one basis; percentage and mileage rates represent different terms rather than interchangeable units.

Inputs

How to use this calculator

Shipment

  1. Eligible linehaul amount (USD)Only used in percentage mode; exclude amounts not subject to fuel.
  2. Eligible billed miles (mi)Only used in per-mile mode; this tool does not calculate routes.

Shared inputs

  1. Fuel charge basisChoose the exact agreed basis. Changing the basis does not convert the rate.
  2. Agreed fuel surcharge (%)Entered current agreement rate. No diesel index or carrier schedule is fetched. This input is shown when Fuel charge basis is set to Percentage of entered eligible linehaul.
  3. Agreed fuel charge per mile (USD/mi)Entered rate matching the billed-mile basis. This input is shown when Fuel charge basis is set to USD per entered billable mile.

Enter the shipment or scenario values, then select Calculate result.

Method

Formula and variables

Percentage mode: eligible linehaul × entered percentage ÷ 100. Per-mile mode: entered billable miles × entered U.S. dollars per mile. Add the shipment surcharges. Only the selected rate is used.

Eligible linehaul amount (USD)
Only used in percentage mode; exclude amounts not subject to fuel.
Eligible billed miles (mi)
Only used in per-mile mode; this tool does not calculate routes.
Fuel charge basis
Choose the exact agreed basis. Changing the basis does not convert the rate.
Agreed fuel surcharge (%)
Entered current agreement rate. No diesel index or carrier schedule is fetched. This input is shown when Fuel charge basis is set to Percentage of entered eligible linehaul.
Agreed fuel charge per mile (USD/mi)
Entered rate matching the billed-mile basis. This input is shown when Fuel charge basis is set to USD per entered billable mile.

Interpret the result

The result is the surcharge alone, summed across shipment rows. It does not fetch a current fuel index or include the base freight charge.

Outputs: Surcharge by shipment and combined total

Calculates an additional surcharge, not total freight or current fuel cost. No live U.S. Energy Information Administration (EIA) diesel index, automatic tariff band, fuel on accessorials, minimum, cap or negotiated inclusion is used. Use a rate valid for the shipment date and agreement; do not add it again if the quote already includes fuel.

Worked example

Check the arithmetic

This example uses the starting values shown above. The arithmetic below is calculated independently of the interactive result.

Work through the calculation

  1. The default percentage basis uses $1,000 eligible linehaul and 20%.
  2. Surcharge = $1,000 × 20 ÷ 100 = $200. The entered mileage is unused in percentage mode.

Compare the displayed result

Expected displayed result: $200.00

FAQs

Should I add the result to a quote that already includes fuel?

Do not count fuel twice. Use only the linehaul or mileage basis eligible for a separate surcharge under the actual quote and agreement.

Example inputs and options

Starting values are examples unless a field identifies a dated rule. Unit selectors convert only fields marked for conversion. Rates and model options keep the units and basis shown in their labels.

Eligible linehaul amount (USD)
Example: 1000
Eligible billed miles (mi)
Example: 500
Fuel charge basis
Example: Percentage of entered eligible linehaulOptions: Percentage of entered eligible linehaul; USD per entered billable mile
Agreed fuel surcharge (%)
Example: 20
Agreed fuel charge per mile (USD/mi)
Example: 0.4