Trip Fuel Cost Calculator
Trip fuel cost calculator estimates how much fuel your road trip will consume and the total expense. Enter distance, vehicle mileage, and current fuel price to get an instant cost breakdown for any journey.
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Result
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Formula
Divides total trip distance by your vehicle fuel efficiency to find litres needed, then multiplies by fuel price.
Worked Example
How Trip Fuel Cost Is Calculated
- A compact car averaging 7 L/100km uses about 35 litres for a 500 km trip
- An SUV at 12 L/100km uses roughly 60 litres for the same 500 km
- Highway driving typically improves fuel efficiency by 15-20% compared to city driving
- At $1.60/L, every extra litre adds $1.60 to your trip cost
- Round-trip planning means doubling the one-way distance before calculating
Accurate fuel budgeting helps you plan road trips without surprises. Compare different vehicles or routes to find the most cost-effective option for your journey.
You can also calculate changes using our Fuel Cost Increase Calculator or Route Detour Fuel Cost Calculator.
Frequently Asked Questions
How do I find my car's fuel efficiency?
Check your owner manual or dashboard for L/100km or km/L figures. You can also calculate it by dividing kilometres driven by litres used at your last fill-up.
Does this calculator include the return trip?
Enter the total round-trip distance to get the full cost. For example, a 250 km one-way trip becomes 500 km for the return journey, costing roughly $66.67 at 12 km/L and $1.60/L.
What about highway vs city driving?
Highway driving typically offers 15-20% better mileage. A car rated at 10 km/L in the city may achieve 12 km/L on the highway, saving about $13 on a 500 km trip at $1.60/L.
How much does a 1,000 km road trip cost in fuel?
At average car efficiency of 10 km/L and $1.60/L fuel, a 1,000 km trip costs about $160 in fuel. An SUV at 8 km/L would cost $200 for the same distance.
How can I reduce my trip fuel cost?
Maintain steady highway speed, keep tires properly inflated, remove roof racks when not needed, and avoid heavy acceleration. These habits can improve mileage by 10-15%.
Does fuel type affect the calculation?
The formula works for petrol, diesel, or LPG. Just enter the correct price per litre for your fuel type. Diesel vehicles often have better km/L but higher per-litre cost.
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