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Fuel Card Savings Calculator — Fleet Fuel Card ROI

Calculate annual savings from a fleet fuel card. Compare your current pump price to fuel card network discounts to find total ROI for your trucking or delivery fleet.

Quick answer: Fleet fuel cards (EFS, Comdata, WEX, Pilot Flying J) typically save $0.10–$0.40/gallon vs retail pump price. On 10,000 gallons/month that's $1,000–$4,000/month in savings.

⛽ Fuel Card Savings Calculator

Typical: $0.10–$0.40/gal off retail
Many cards charge per truck per month
Annual Net Savings
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Monthly Gross Savings
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Savings Per Mile
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How to Use This Calculator

  1. Enter fleet size and mileage — average monthly miles per truck.
  2. Enter current retail diesel price — your typical pump price today.
  3. Enter fuel card discount — the per-gallon savings offered by the card network. Compare cards — discounts vary widely by network and volume.

Worked Example

8 trucks, 10,000 miles/month each, 6.5 MPG, $3.95 retail, $0.28 card discount.

  1. Gallons/month: 10,000 ÷ 6.5 × 8 = 12,308 gal
  2. Monthly savings: 12,308 × $0.28 = $3,446
  3. Annual: $3,446 × 12 = $41,354

Over $41,000/year from a fuel card — one of the easiest wins in fleet cost management. Compare EFS, Comdata, WEX, and the Flying J/Pilot card on your specific lanes and volumes before choosing.

Frequently Asked Questions

EFS (now part of WEX) and Comdata are the largest dedicated trucking fuel cards with the widest acceptance networks. Pilot Flying J TCS card offers strong discounts at their own locations. The best card depends on where your drivers fuel — compare accepted networks against your actual fuelling locations.

Yes — most major fuel card programs accept owner-operators. Volume affects discount level, but even single-truck operators can get $0.10–$0.25/gallon off retail. Some factoring companies bundle fuel card programs with their services.