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Calculate fuel efficiency: enter distance and fuel used to get MPG, L/100km, cost per km and annual fuel cost.
Calculate fuel efficiency: enter distance and fuel used to get MPG, L/100km, cost per km and annual fuel cost.
Enter values above and click Calculate — results will appear here with the formula explained.
Fuel efficiency is fuel divided by distance times 100 for L/100km, or 235.215 divided by L/100km for MPG (US). Cost per km is fuel times price divided by distance.
Lower L/100km is better. Track over tanks to spot maintenance needs — rising consumption signals tire pressure or engine issues.
Calculate fuel efficiency: enter distance and fuel used to get MPG, L/100km, cost per km and annual fuel cost. Formula: Consumption = fuel/distance*100 L/100km. Example: With 500km, 35L, $1.80/L: 7 L/100km, 33.6 MPG, $0.126/km, yearly 15k km costs $1,890.
Fuel efficiency is fuel divided by distance times 100 for L/100km, or 235.215 divided by L/100km for MPG (US). Cost per km is fuel times price divided by distance.
Lower L/100km is better. Track over tanks to spot maintenance needs — rising consumption signals tire pressure or engine issues.
With 500km, 35L, $1.80/L: 7 L/100km, 33.6 MPG, $0.126/km, yearly 15k km costs $1,890.
Formulas are standard public references (see our methodology). External standards are cited in the text where they apply.
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