A fuel cost calculator helps Canadians estimate the true cost of driving for road trips, daily commutes, and vehicle comparisons. With gasoline prices fluctuating significantly across Ontario and Canada, understanding the fuel cost of any journey helps with budgeting and vehicle purchase decisions. How Fuel Costs Are Calculated in Canada: Fuel cost is calculated by dividing the distance by the vehicle fuel efficiency in litres per 100 kilometres, then multiplying by the current fuel price per litre. A vehicle rated at 9 litres per 100 km driven 500 kilometres at $1.65 per litre costs approximately $74.25 in fuel alone. Most modern Canadian vehicles achieve fuel economy of 7 to 12 litres per 100 km in combined city and highway driving. Fuel efficiency drops by 10% to 25% in Canadian winter months due to cold weather effects on engines, tires, and aerodynamics. Fuel Prices Across Canadian Provinces: Gasoline prices vary significantly across Canada due to provincial fuel taxes, transportation costs, and local market competition. Ontario gasoline prices include federal and provincial excise taxes plus the federal carbon price component. BC and Quebec regularly lead Canada in gasoline pricing due to higher carbon pricing. Alberta charges no provincial fuel tax, making it consistently the lowest-priced province for gasoline. Rural Ontario areas often pay a slight premium over major urban centres. Comparing Vehicle Fuel Costs Before Buying: The true long-term cost difference between vehicles of different fuel efficiency is substantial. A vehicle achieving 7 litres per 100 km versus one at 11 litres per 100 km driven 20,000 kilometres per year at $1.65 per litre creates an annual fuel cost difference of approximately $1,320. Over 10 years, this compounds to over $13,000 in fuel savings, often exceeding the premium price of the more efficient vehicle. Electric Vehicle vs Gasoline Cost Comparison: At Ontario electricity rates of approximately $0.13 per kilowatt-hour and typical EV consumption of 20 kWh per 100 km, the per-kilometre energy cost is approximately $0.026, compared to approximately $0.15 for a gasoline vehicle. This roughly 6 times energy cost advantage makes EVs particularly compelling for high-mileage Ontario drivers. Use this calculator before booking any significant road trip across Ontario or Canada to build an accurate fuel budget. Input the total trip distance, your vehicle fuel efficiency rating from Natural Resources Canada, and the current price at your local pump to get the precise fuel cost for the journey. For multi-vehicle trips, run the calculation for each vehicle to determine whether consolidating into the most fuel-efficient vehicle saves meaningful money on the overall trip.