Estimate the petrol cost of a trip with your real dashboard consumption
Enter an approximate petrol price, the distance in kilometres, and your car's average `L/100 km`. If route lookup is available, you can also choose the journey start and end to fill the km automatically.
Approximate price. Same currency in result.
Manual km or route-filled km.
Use your dashboard average.
Distance input mode
Keep manual entry, or look up a route and copy its kilometres into the calculator.
Formula
km × L/100 km ÷ 100
Best for
Dashboard-based trip estimates
Not included
Tolls, parking, or ferry fees
Estimated result
What this trip is likely to cost
Enter your local fuel price and your car's average consumption. This stays useful even if the petrol price is only approximate.
Total trip cost
≈ 12.44
Same currency unit as the price you entered above.
Fuel needed
7.68 L
Estimated litres consumed over the journey.
Cost per 100 km
≈ 10.37
Useful for comparing this car against another one.
Cost per kilometre
0.104
Based on 120 km at 6.4 L/100 km and a fuel price of 1.62 per litre.
Practical note
This is a fuel-cost estimate, not a full travel budget. If you need a round trip in v1, double the km or overwrite the looked-up distance manually.
Useful for everyday planning
It is fast enough to answer the practical question most drivers actually have: roughly how much petrol will this journey cost me?
Useful across currencies
The tool does not assume euros, pounds, or dollars. Enter your local per-litre price and it keeps the result in the same currency unit.
Useful when you want route help
If the route lookup is unavailable or you simply do not want it, you can still use the calculator manually. For more browser tools, visit the full tools catalog.
What this calculator includes
Included
- Petrol price per litre
- Trip distance in kilometres
- Dashboard consumption in L/100 km
- Estimated litres, total cost, and cost-per-distance breakdown
Not included in v1
- Tolls, parking, or congestion charges
- Multi-stop routing
- Automatic round-trip doubling
- Currency conversion or fuel-station price feeds
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