Real-time calculations with live city fuel prices
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Cost of Petrol in | 🕒 last updated on 28.11.2025
Trip Mileage
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Know exactly how much your journey will cost before you hit the road. The V3Cars Trip Mileage Calculator is built for anyone planning or reviewing a road trip — whether you want to budget your fuel expenses in advance, verify your car's real-world mileage after a long drive, or split fuel costs fairly on a group trip. Enter your trip distance, the fuel consumed and your city's live petrol, diesel or CNG price, and the calculator instantly gives you your trip mileage, total fuel cost and cost per kilometre. Check Your Road Trip Fuel Cost With V3Cars Trip Mileage Calculator.
Trip mileage is the actual fuel efficiency your vehicle achieved over a specific journey, measured in kilometres per litre (km/l) or miles per gallon (mpg). Unlike the manufacturer-claimed mileage figure — tested under controlled lab conditions — trip mileage reflects your real driving: the road type, traffic, load, speed, weather and driving style of that particular journey.
Trip mileage is always journey-specific. A car that gives 14 kmpl overall may give 17 kmpl on a steady expressway run and 10 kmpl on a congested city route. Tracking your trip mileage over different routes helps you understand exactly how driving conditions affect your fuel consumption.
The calculator gives you three results for every trip:
Trip Mileage (km/l or mpg): The actual fuel efficiency your vehicle achieved over the journey. Compare this against your car's claimed mileage to understand how real-world conditions performed.
Total Trip Fuel Cost (₹): The exact fuel expense for the entire trip, calculated using live fuel prices for your selected city. Useful for budgeting before a trip or splitting costs in a group.
Fuel Cost Per Kilometre (₹/km): What each kilometre of the trip costs in fuel. A practical metric for comparing the running cost of petrol vs diesel vs CNG on the same route.
The calculator uses three straightforward formulas:
Trip Mileage (kmpl): Trip Mileage = Trip Distance (km) ÷ Fuel Consumed (litres)
Total Trip Fuel Cost (₹): Total Fuel Cost = Fuel Consumed (litres) × Fuel Price Per Litre (₹)
Fuel Cost Per Kilometre (₹/km): Cost Per km = Total Fuel Cost ÷ Trip Distance (km)
Example — Delhi to Jaipur (Petrol): Distance: 280 km | Fuel consumed: 20 litres | Petrol price: ₹94.72/litre Trip Mileage = 280 ÷ 20 = 14 kmpl Total Fuel Cost = 20 × 94.72 = ₹1,894 Cost Per km = 1,894 ÷ 280 = ₹6.76/km
Example — Mumbai to Pune (CNG): Distance: 149 km | Fuel consumed: 6.8 kg | CNG price: ₹79.50/kg Trip Mileage = 149 ÷ 6.8 = 21.9 km/kg Total Fuel Cost = 6.8 × 79.50 = ₹540.60 Cost Per km = 540.60 ÷ 149 = ₹3.63/km
Using the calculator accurately requires one simple method — the tankful-to-tankful (brim-to-brim) approach:
Before your trip, fill your fuel tank completely until the pump auto-cuts. Note your odometer reading or reset your trip meter. Drive your journey normally. At the end of the trip, fill up again at the same type of pump until the brim. The fuel added at the second fill is your fuel consumed. Enter this figure along with the distance covered and your city's live fuel price — and the calculator does the rest.
This method eliminates variance from uneven tank shapes or inaccurate fuel gauges, and gives you the most precise trip mileage reading possible.
Step 1 — Select Vehicle & Fuel Type
Choose whether you're calculating for a car, bike or other vehicle. Then select your fuel type: petrol, diesel or CNG. If you drive an electric vehicle, the calculator will direct you to the EV Mileage Calculator.
Step 2 — Enter Trip Distance
Enter the total distance of your trip in kilometres. If you're outside India or prefer imperial units, switch to miles using the unit toggle — the calculator will automatically convert all values to miles and gallons.
Step 3 — Enter Fuel Consumed
Enter the total amount of fuel your vehicle consumed during the trip in litres (or gallons). For the most accurate result, fill up your tank completely before and after the trip — the difference is your fuel consumed.
Step 4 — Select Your City for Live Fuel Prices
Use the city/state dropdown to select your location. The calculator automatically fetches today's live petrol, diesel or CNG price for your city. You can also manually edit the fuel price if you fuelled up in a different city or at a different rate.
Step 5 — Calculate
Hit Calculate Trip Mileage. Your trip mileage (kmpl), total trip fuel cost (₹) and fuel cost per km appear instantly.
Getting a precise trip mileage reading requires a little preparation — but it's straightforward.
Use the brim-to-brim method. Before your trip, fill your tank completely until the pump clicks off automatically. Note your odometer reading. At the end of your trip, fill up again to the brim at the same type of pump. The amount of fuel you add at the second fill-up is your fuel consumed for the trip. This method eliminates any variance from tank shape or fuel level sensors.
Record your distance accurately. Use your car's trip meter (ODO-B) rather than estimating from Google Maps — actual road conditions, diversions and detours can add kilometres. Reset the trip meter at your first fill-up.
Account for the fuel price at your fill-up point. If you fuelled up in a different city or state, edit the fuel price in the calculator to match the actual price you paid — fuel prices vary significantly across Indian states and cities.
Calculate after longer trips for better accuracy. Short trips of under 50 km can produce skewed mileage readings due to engine warm-up time and traffic variability. Highway trips of 150 km or more give the most reliable mileage data.
Several factors cause trip mileage to differ from both your car's claimed figure and its everyday average:
Route type: Steady highway driving at 80–100 kmph typically delivers the best fuel efficiency. Stop-and-go city traffic burns fuel during idling and repeated acceleration. A route that's majority highway will almost always show better trip mileage than a city-heavy route of the same distance.
Driving speed: Most Indian cars achieve peak efficiency at 60–80 kmph. Above 100 kmph, aerodynamic drag increases sharply and mileage drops by 15–25%.
Vehicle load: Every additional 100 kg reduces fuel efficiency by approximately 3–5%. A fully loaded car on a family trip will give noticeably lower mileage than the same car carrying one person.
Terrain: Hilly routes with frequent climbs — like Mumbai–Pune Ghats or Bengaluru–Ooty — reduce trip mileage significantly compared to flat expressway routes.
Air conditioning: AC usage typically reduces mileage by 5–15%. At speeds below 70–80 kmph, slightly opening windows is more fuel-efficient than running the AC.
Tyre pressure: Under-inflated tyres increase rolling resistance. Always check tyre pressure before a long trip — it takes two minutes and can improve mileage by 1–3%.
(These are indicative estimates based on typical mileage and average fuel prices — use the calculator above for precise figures based on your vehicle and current prices.)
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Prices calculated using approximate national average fuel prices. Use the calculator above with your city's live prices for precise results.
It depends on your car's mileage. A car achieving 14 kmpl needs approximately 35.7 litres. A car at 18 kmpl needs approximately 27.8 litres. Enter your actual trip distance and fuel consumed for a precise result.
Manufacturer-claimed figures are measured under ideal laboratory conditions — no traffic, no AC, specific speeds, flat roads. Real-world driving in India — with traffic, air conditioning, varying speeds and road quality — typically produces 20–35% lower mileage than the claimed figure. This is normal and expected.
Yes. Switch to miles and gallons using the unit toggle at the top. Enter your local fuel price per gallon and the result will be shown in miles per gallon (mpg).
The regular Mileage Calculator measures your vehicle's fuel efficiency over any distance using the tankful-to-tankful method — useful for tracking your everyday average. The Trip Mileage Calculator is specifically designed for a single journey — it also calculates your total trip fuel cost and cost per kilometre using live city fuel prices, making it more useful for trip planning and budgeting.
Use the Total Trip Fuel Cost result from the calculator and divide by the number of people travelling. For example, if a Delhi–Agra trip costs ₹1,894 in fuel and you're travelling with 3 friends (4 people total), each person's share is ₹473.50.
Most petrol and diesel cars achieve peak fuel efficiency at 60–80 kmph on highways. For the best balance of efficiency and travel time on Indian expressways, 80–90 kmph is the practical optimum.
