Estimate the fuel cost of a road trip or commute from the distance, your vehicle’s fuel consumption in L/100 km and the price per litre. A 500 km trip each way (1,000 km) in a car using 9.0 L/100 km burns 90 litres; at the national average of $1.88 a litre that is $169.20.
Gas Cost Calculator (Canada)
Default price: national average $1.88/L, week of October 6, 2026 (Kalibrate)
- Total distance
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- Fuel needed
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- Cost per km
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- Cost per person
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The formula
- Litres = distance (km) × L/100 km ÷ 100
- Cost = litres × price per litre
- Cost per km = L/100 km × price per litre ÷ 100
Cost per 100 km at $1.88 a litre
| Fuel consumption | Cost per 100 km |
|---|---|
| 6.0 L/100 km (hybrid) | $11.28 |
| 8.0 L/100 km (compact) | $15.04 |
| 10.0 L/100 km (SUV) | $18.80 |
| 13.0 L/100 km (pickup) | $24.44 |
Driving 20,000 km a year, a pickup at 13.0 L/100 km costs about $2,632 more in gas than a hybrid at 6.0 L/100 km.
Converting mpg to L/100 km
Canada rates vehicles in L/100 km, where lower is better. To convert from US miles per gallon, divide 235.21 by the mpg: 30 mpg (US) is about 7.8 L/100 km.
FAQ
Where does the default price come from?
It is the national average of $1.88 per litre for the week of October 6, 2026, from Kalibrate data. Prices differ a lot between provinces and cities, so enter your local price.
How do I measure my real fuel consumption?
Fill up, reset the trip meter, drive normally and refill. Divide the litres added by the kilometres driven and multiply by 100.
Related calculators
Sources
- Finder Canada: Average gas price per litre (Kalibrate data) · week of October 6, 2026
- Natural Resources Canada: Fuel consumption ratings
Figures current as of October 12, 2026
Each formula is checked against a separate test sheet with at least three worked examples. Results are estimates based on the numbers you enter and the published rules; your actual figures may differ. This is general information, not financial or tax advice.
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