Life Tools

Fuel Cost Calculator

Calculate the fuel cost for any trip. Enter distance, fuel efficiency, and price per litre or gallon. Supports km/L, L/100km, and MPG.

Runs in browserFree & no signupkm/L, L/100km & MPG

Trip Details

Distance

Fuel Efficiency

Fuel Price

Passengers (for cost split)

Total Fuel Cost

10.00

for 100 km

Fuel Used

6.67 L

litres consumed

Cost / 100 km

10.00

per 100 km

Cost / Person

10.00

split 1 way

How to calculate fuel cost with Fuel Cost Calculator

Estimate the petrol or diesel cost for any journey in seconds — supports km/L, L/100km, and MPG.

01
Enter the trip distance
Type the total distance of your journey in kilometres or miles. For a round trip, enter the one-way distance and enable the round-trip toggle.
02
Set your fuel efficiency
Enter your vehicle's fuel consumption in your preferred unit — km/L, L/100km, or MPG (US or UK). You can usually find this figure in your car's manual or on the manufacturer's website.
03
Enter the fuel price
Input the current price per litre or gallon at your local petrol station. The tool supports any currency — just enter the number and it calculates accordingly.
04
See your total fuel cost
The calculator instantly shows the total fuel cost, litres or gallons needed, and cost per kilometre or mile so you can compare routes or vehicles.

What people use it for

From weekend road trips to daily commutes, knowing your fuel cost upfront helps you plan and budget smarter.

Road trip budgeting

Estimate the total fuel cost for a long drive before you leave, so you can budget accurately and avoid surprises at the pump.

Comparing vehicles

Enter the fuel efficiency of two different cars to see exactly how much you'd save on a given route by choosing the more economical option.

Daily commute costs

Calculate your weekly or monthly fuel spend for your regular commute to understand the true cost of driving versus public transport.

Freight and delivery planning

Fleet managers and couriers can estimate fuel costs per route to price deliveries accurately and track operating expenses.

Carpooling cost splitting

Work out the total fuel cost for a shared journey and divide it fairly among passengers based on distance travelled.

Travel expense reporting

Calculate fuel costs for business trips to include in expense reports, alongside mileage reimbursement calculations.

Frequently asked questions

Everything you need to know about calculating fuel costs for any trip or vehicle.

Yes, completely free. No account, no ads blocking the results, and no limits on calculations.

The tool supports km/L (kilometres per litre), L/100km (litres per 100 kilometres), MPG US (miles per US gallon), and MPG UK (miles per imperial gallon). You can switch between them freely.

Check your vehicle's owner manual, the manufacturer's website, or your car's onboard trip computer. For a real-world figure, fill up your tank, drive normally, then divide the distance driven by the fuel used to refill.

The calculator works with any fuel type — petrol, diesel, LPG, or E10. Just enter the price per litre or gallon for whichever fuel your vehicle uses.

Yes. The tool is currency-agnostic — enter the fuel price in your local currency and the result will be in the same currency. No conversion is applied.

The calculation is mathematically exact given the inputs. Real-world fuel costs vary based on driving style, traffic, road conditions, and vehicle load, so treat the result as a reliable estimate rather than a guaranteed figure.

No. All calculations run entirely in your browser. Nothing is uploaded or stored.

Yes. The calculator is fully responsive and works on any smartphone or tablet, making it handy to use at the petrol station or while planning a trip.

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How to calculate fuel cost with Fuel Cost Calculator

Estimate the petrol or diesel cost for any journey in seconds — supports km/L, L/100km, and MPG.

Enter the trip distance

Type the total distance of your journey in kilometres or miles. For a round trip, enter the one-way distance and enable the round-trip toggle.

Set your fuel efficiency

Enter your vehicle's fuel consumption in your preferred unit — km/L, L/100km, or MPG (US or UK). You can usually find this figure in your car's manual or on the manufacturer's website.

Enter the fuel price

Input the current price per litre or gallon at your local petrol station. The tool supports any currency — just enter the number and it calculates accordingly.

See your total fuel cost

The calculator instantly shows the total fuel cost, litres or gallons needed, and cost per kilometre or mile so you can compare routes or vehicles.

What people use it for

From weekend road trips to daily commutes, knowing your fuel cost upfront helps you plan and budget smarter.

Road trip budgeting

Estimate the total fuel cost for a long drive before you leave, so you can budget accurately and avoid surprises at the pump.

Comparing vehicles

Enter the fuel efficiency of two different cars to see exactly how much you'd save on a given route by choosing the more economical option.

Daily commute costs

Calculate your weekly or monthly fuel spend for your regular commute to understand the true cost of driving versus public transport.

Freight and delivery planning

Fleet managers and couriers can estimate fuel costs per route to price deliveries accurately and track operating expenses.

Carpooling cost splitting

Work out the total fuel cost for a shared journey and divide it fairly among passengers based on distance travelled.

Travel expense reporting

Calculate fuel costs for business trips to include in expense reports, alongside mileage reimbursement calculations.

Frequently asked questions

Everything you need to know about calculating fuel costs for any trip or vehicle.

Yes, completely free. No account, no ads blocking the results, and no limits on calculations.

The tool supports km/L (kilometres per litre), L/100km (litres per 100 kilometres), MPG US (miles per US gallon), and MPG UK (miles per imperial gallon). You can switch between them freely.

The calculator works with any fuel type — petrol, diesel, LPG, or E10. Just enter the price per litre or gallon for whichever fuel your vehicle uses.

Yes. The tool is currency-agnostic — enter the fuel price in your local currency and the result will be in the same currency. No conversion is applied.

No. All calculations run entirely in your browser. Nothing is uploaded or stored.

Yes. The calculator is fully responsive and works on any smartphone or tablet, making it handy to use at the petrol station or while planning a trip.