Enter your Trip Distance, Fuel Efficiency, and Fuel Price into the Fuel Consumption Calculator to find your Total Fuel Used and Trip Fuel Cost — plus a handy Cost per Km breakdown so you know exactly what every kilometer is costing you.
Fuel Consumption
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Total Fuel Used
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Trip Fuel Cost
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Cost per Km
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Fuel consumption is a measure of how efficiently a vehicle uses fuel. It's commonly expressed as liters per 100 kilometers (L/100km) in metric countries or miles per gallon (MPG) in the US. Lower L/100km values indicate better fuel efficiency.
To calculate fuel consumption per 100 km, divide the amount of fuel used by the distance traveled, then multiply by 100. For example, if you used 50 liters for a 600 km trip: (50L ÷ 600km) × 100 = 8.33 L/100km.
To convert from MPG to L/100km, divide 235.21 by the MPG value. To convert from L/100km to MPG, divide 235.21 by the L/100km value. These conversions account for the difference between US gallons and liters.
Several factors influence fuel consumption including driving speed, vehicle maintenance, tire pressure, weather conditions, traffic patterns, vehicle load, and driving habits like aggressive acceleration or braking.
You can improve fuel efficiency by maintaining steady speeds, keeping tires properly inflated, removing excess weight, regular vehicle maintenance, using cruise control on highways, and avoiding rapid acceleration and hard braking.
Yes, calculating fuel consumption over longer distances provides more accurate results as it averages out variations in driving conditions, traffic, and short-term factors that might skew results from shorter trips.
To calculate fuel cost per distance unit, multiply your fuel consumption rate by the fuel price. For example, if your car uses 8L/100km and fuel costs $1.50/L, your cost per km is (8÷100) × $1.50 = $0.12 per kilometer.