Using the Fuel Cost Calculator
Use liters per 100 kilometers for consumption, not kilometers per liter. The tool first calculates liters needed, then multiplies by the unit price. The currency is whatever currency you use for that price; there is no exchange-rate conversion.
Worked example
Use the example inputs below to reproduce this result. These are the form's starting values, not recommended targets. Changing your inputs updates your result above; this worked example stays fixed for comparison. Results are rounded for display.
Example inputs
- Trip distance (km)
- 500
- Fuel consumption (L/100 km)
- 7
- Price per litre
- 1.5
Example result
- Fuel (L)
- 35
- Trip fuel cost
- 52.5
Method and assumptions
Fuel = distance × consumption / 100; cost = fuel × unit price.
Use measurements from the same situation
Vehicle and trip estimates are easiest to compare when the inputs refer to the same journey, vehicle or operating condition. Keep the distance unit explicit and separate measured values from planning assumptions. If you change several inputs at once, record which ones changed so that a different result can be traced to a specific assumption.
Common question
Does this include the full cost of driving?
No. It estimates fuel only. Tolls, parking, maintenance, insurance and depreciation are outside the calculation. Add those separately if you are comparing the complete cost of driving with another travel option.
Guide updated .