What is this Fuel Cost Calculator?
This free fuel cost calculator works for both metric (km/litres) and imperial (miles/MPG) systems — making it useful for drivers in India, the UK, and the US. Whether you want to calculate petrol cost for 44 miles, plan a road trip in kilometres, or work out your daily commute cost, this tool gives you an instant result.
Switch between km/Litres mode for Indian drivers and Miles/MPG mode for UK and US drivers using the toggle at the top of the calculator. The formula is: Fuel Cost = (Distance ÷ Efficiency) × Fuel Price — automatically adjusted for your chosen unit system.
How to Calculate Petrol Cost for a Journey in Miles
1
Click the Miles/MPG toggle at the top of the calculator to switch to imperial mode.
2
Enter your journey distance in miles — for example, 44 miles.
3
Enter your vehicle's MPG (miles per gallon) — check your car manual or use the reference table above.
4
Enter the current petrol price per litre in your currency.
5
Your total fuel cost, litres needed, cost per mile and a comparison chart appear instantly.
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Frequently Asked Questions
How do I calculate petrol cost for a bike for 100 km?
Select 🏍️ Bike above (it sets 45 km/l), enter 100 km and your local petrol price. Petrol in India costs roughly ₹95–110 a litre depending on the city, so check today's price. For example, at 45 km/l and ₹103/litre, 100 km costs about ₹229. Real-world bike mileage depends on the model, riding style and traffic — check your own bike's figure.
What is the average mileage of a bike in km/l?
Commuter bikes in the 100–125cc class often return around 50–65 km/l in real riding, 150–200cc bikes around 35–50 km/l, scooters around 40–50 km/l and bigger cruisers around 30–35 km/l. City traffic usually lowers mileage. Enter your own bike's figure in 🏍️ Bike mode for an accurate cost.
How do I calculate petrol cost for 44 miles?
To calculate petrol cost for 44 miles: switch to Miles/MPG mode in the calculator above, enter 44 as the distance, enter your car's MPG, and enter the petrol price per litre. The calculator converts miles to km (44 miles = 70.8 km), calculates litres needed, and gives you the exact cost instantly. For a typical UK car at 40 MPG with petrol at £1.50/litre, 44 miles costs approximately £7.50.
How do I calculate petrol cost per mile?
Cost per mile = (1 ÷ MPG) × 4.546 × price per litre, because a UK gallon is 4.546 litres. At 40 MPG and £1.50/litre that's 1 ÷ 40 × 4.546 × 1.50 = about £0.17 per mile. The calculator shows cost per mile automatically in Miles/MPG mode.
How much petrol does a 100 mile journey use?
A 100 mile journey uses approximately 2.27 gallons (10.3 litres) in a car getting 44 MPG, or 3.33 gallons (15.1 litres) in a car getting 30 MPG. Enter your exact distance and MPG in the Miles/MPG mode above for a precise result.
How do I calculate petrol costs for a journey in km?
Use km/Litres mode: Fuel Cost = (Distance in km ÷ Vehicle mileage in km/l) × Fuel price per litre. For example, 100 km at 15 km/l at ₹103/litre = ₹686.67. This is the standard formula used for Indian vehicles.
What is the difference between MPG and km/l?
MPG (miles per gallon) is used in the UK and US, while km/l (kilometres per litre) is used in India and most of Asia. To convert: multiply km/l by 2.825 to get UK MPG, or multiply km/l by 2.352 to get US MPG. For example, 15 km/l = 42.4 UK MPG.
How do I split petrol cost among passengers?
Calculate the total petrol cost using this calculator, then divide by the number of passengers. For example, £15 total fuel cost among 3 people = £5 each. Round trip mode doubles the distance automatically for return journey splits.
Petrol Cost for Common UK Distances
How much does 10 miles cost in petrol?
At 40 MPG and £1.50/litre, 10 miles costs approximately £1.70. Use the Miles/MPG mode above and enter your exact MPG and current petrol price for a precise figure. At 35 MPG the same journey costs around £1.94.
How much does 20 miles cost in petrol?
At 40 MPG and £1.50/litre, 20 miles costs approximately £3.41. At 35 MPG it costs around £3.90. Enter your distance, MPG and fuel price above for an exact result.
How much does 40 miles cost in petrol?
At 40 MPG and £1.50/litre, 40 miles costs approximately £6.82. This is a common commute distance — use the round trip toggle to double it for your daily fuel cost estimate.
How much does 44 miles cost in petrol?
At 40 MPG and £1.50/litre, 44 miles costs approximately £7.50. Switch to Miles/MPG mode, enter 44 as the distance, and the calculator gives you the exact fuel cost with litres needed and cost per mile.
How much does 50 miles cost in petrol?
At 40 MPG and £1.50/litre, 50 miles costs approximately £8.52. At 30 MPG the same journey costs around £11.37. Enter your car's MPG above for your exact petrol cost.
How much does 60 miles cost in petrol?
At 40 MPG and £1.50/litre, 60 miles costs approximately £10.23. Use the round trip option if you need the total daily commute cost for both ways.
How much does 100 miles cost in petrol?
At 40 MPG and £1.50/litre, 100 miles costs approximately £17.05. At 35 MPG it costs £19.49. Enter your exact details above — the calculator shows total cost, litres needed and cost per mile.
How much does 120 miles cost in petrol?
At 40 MPG and £1.50/litre, 120 miles costs approximately £20.45. At 45 MPG the cost drops to around £18.18. Enter your MPG and fuel price above for the precise figure.
How much does 150 miles cost in petrol?
At 40 MPG and £1.50/litre, 150 miles costs approximately £25.57. For a road trip, use the round trip option to calculate both legs in one go.
How much does 200 miles cost in petrol?
At 40 MPG and £1.50/litre, 200 miles costs approximately £34.09. At 30 MPG it costs £45.46. The calculator also shows your estimated monthly cost if you make this journey regularly.
How much petrol is needed for 100 miles?
At 40 MPG, 100 miles uses 2.5 gallons (11.36 litres) of petrol. At 35 MPG it uses 2.86 gallons (13 litres). The calculator shows litres needed alongside the cost for every journey.
How much does petrol cost per mile?
At 40 MPG and £1.50/litre, petrol costs approximately 17p per mile. At 35 MPG it's around 19p per mile. The cost per mile is shown automatically in the results when you use Miles/MPG mode.
How do I calculate the cost of fuel per mile?
Formula: Cost per mile = (1 ÷ MPG) × 4.546 × fuel price per litre. For example at 40 MPG and £1.50/litre: (1 ÷ 40) × 4.546 × 1.50 = £0.170 per mile. The calculator does this automatically — just enter your details and check the Cost per mile result.
Petrol Cost for Indian Distances (km)
How much does 30 km cost in petrol?
At 15 km/l and ₹103/litre, 30 km costs approximately ₹206. At 20 km/l it costs ₹154.50. Enter your vehicle mileage and current petrol price above for the exact cost.
How much does 60 km cost in petrol for a car?
At 15 km/l and ₹103/litre, 60 km in a car costs approximately ₹412. A more fuel-efficient car at 20 km/l costs ₹309. Use the 🚗 Car mode above and enter your mileage for a precise result.
How much does 90 km cost in petrol?
At 15 km/l and ₹103/litre, 90 km costs approximately ₹618. On a bike at 45 km/l the same journey costs only ₹206 — showing how fuel-efficient bikes are for daily commutes.
How much does 100 km cost in petrol?
At 15 km/l and ₹103/litre, 100 km costs approximately ₹686.67. At 20 km/l it's ₹515. For a bike at 45 km/l it drops to just ₹228.89. Enter your vehicle type and mileage above.
How much does 200 km cost in petrol?
At 15 km/l and ₹103/litre, 200 km costs approximately ₹1,373. At 18 km/l it costs ₹1,144. Use the monthly estimate to see your fuel bill if you drive this distance regularly.
How much does 300 km cost in petrol?
At 15 km/l and ₹103/litre, 300 km costs approximately ₹2,060. Highway driving typically improves mileage by 15–20%, so at 18 km/l the cost drops to ₹1,717.
How much does 600 km cost in petrol?
At 15 km/l and ₹103/litre, 600 km costs approximately ₹4,120. This is a common intercity road trip distance — use round trip mode to plan your total fuel budget for the return journey.
How much does 750 km cost in petrol?
At 15 km/l and ₹103/litre, 750 km costs approximately ₹5,150. At 18 km/l it costs ₹4,292. Enter your details above and use the chart to compare costs at different mileages.
How do I calculate petrol cost per km?
Formula: Cost per km = Fuel price per litre ÷ Vehicle mileage (km/l). At ₹103/litre and 15 km/l, the cost per km is ₹6.87. At 20 km/l it's ₹5.15 per km. The calculator displays cost per km automatically in km/Litres mode.
What is a fleet fuel calculator?
A fleet fuel calculator estimates total fuel costs for multiple vehicles over a set period — used by companies with delivery fleets, cab operators, and logistics businesses. Use this calculator per vehicle and multiply by fleet size for a quick fleet fuel cost estimate.
How do I calculate monthly petrol expenses?
Enter your typical daily or weekly journey distance in the calculator. The Monthly Estimate result shows your projected fuel cost for the month (based on 22 working days). For personal use, multiply your one-way distance by 44 (round trips × working days) for a monthly commute fuel cost.
How much does 44 litres of petrol cost?
At ₹103/litre, 44 litres costs ₹4,532. At £1.50/litre it's £66. The calculator works the other way — enter your journey details and it tells you how many litres you'll need and the total cost.
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