Fuel Cost Calculator

Estimate fuel cost for a trip from distance, efficiency, and fuel price.

Fuel Cost Calculator helps you trip fuel cost from distance, efficiency, and price per gallon or liter. Enter distance, efficiency, and fuel price, review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the Fuel cost calculator does Fuel Cost Calculator is built for everyday questions — shopping, home, travel, hobbies, and tech. Trip fuel cost from distance, efficiency, and price per gallon or liter. You enter distance, efficiency, and fuel price, then Simple Calculators computes the result instantly. Defaults are chosen to be easy to read — change any field to match your situation. How the math works US: gallons = miles / mpg, cost = gallons × price. Metric: liters = (L/100km) × km / 100. The formula: Cost = (miles ÷ MPG) × price per gallon. Metric: cost = (km × L/100 km ÷ 100) × price per liter.