Calculator
Fuel Savings Calculator
Calculate savings from surcharge waiver and rewards.
Last updated 18 June 2026
How this works
Calculate savings from surcharge waiver and rewards.
The calculator takes 4 inputs (monthly fuel spend, surcharge %, monthly cap, reward rate %) and produces 1 output (annual fuel savings). All formulas are published below — no hidden assumptions, no sign-up wall, no data sent to a server.