Fuel Surcharge Calculator

Fuel Surcharge Calculator: Contracts may use different thresholds and fuel indexes; enter the terms applicable to your contract.

Your Numbers

Current diesel price ($/gal)

Base diesel price ($/gal)

Truck economy (MPG)

Trip miles

Results

Surcharge ($/mile)—

Trip surcharge ($)—

Input check—

Results update live as you type. Estimates only — not financial, tax, or investment advice.

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The Formula

Surcharge per mile = max(0, current price − base price) ÷ MPG

Understanding the Fuel Surcharge Calculator

A $1-per-gallon increase at 6 MPG gives $0.1667 per mile, or $100 for 600 miles.

Contracts may use different thresholds and fuel indexes; enter the terms applicable to your contract.

Frequently Asked Questions

How is this calculated?

Surcharge per mile = max(0, current price − base price) ÷ MPG

What assumptions apply?

Contracts may use different thresholds and fuel indexes; enter the terms applicable to your contract.