Calculate petrol, diesel & CNG costs — not just a list of links
Calculate trip cost, litres for 500km / 1000km, and real km/L in seconds. Rated 4.9/5 by 50,000+ monthly users. No signup.
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Fuel needed
6.67 L
Trip cost
₹700
Cost per km
₹7.00
Why Our Fuel Calculator is #1 in India?
Quick reference at 15 km/L (typical Indian petrol car) and ₹105/L. Formula: litres = distance ÷ km/L. Adjust the quick calculator above for your real mileage.
| Distance | Petrol (15 km/L) | Est. cost @ ₹105/L |
|---|---|---|
| 100 km | 6.67 L | ₹700 |
| 500 km | 33.33 L | ₹3,500 |
| 1000 km | 66.67 L | ₹7,000 |
Diesel and CNG: use the same litres formula with your km/L or km/kg; open the fuel consumption calculator for any distance.
Each card answers one question. Launch the tool that matches what you searched for — fuel, mileage, money, or cards.
How much will my road trip cost with tolls?
Plan your journey, calculate fuel costs, estimate tolls, and compare expenses across multiple vehicles. Includes distance calculation, toll estimation, and CO₂ emissions tracking.
Launch Trip PlannerWhat is my monthly petrol or diesel bill?
Calculate monthly and annual fuel expenses for petrol, diesel, and CNG. Includes automatic GST calculations and cost per kilometer analysis for budget planning.
Calculate fuel costWhat is my real km/L after a tank fill?
Track your vehicle's fuel efficiency in kilometers per litre and litres per 100km. Get efficiency ratings and identify performance improvements.
Check efficiencyHow do I convert L/100km to km/L?
Focused mileage calculator for India: km per litre, L/100km, and cost per km. Ideal for “mileage calculator India” and average km/L checks.
Open mileage calcHow much petrol for 500km or 1000km?
Calculate fuel consumption based on distance and mileage. Estimate total fuel needed and trip cost for road trips and journey planning.
How many litres?Petrol, diesel, or EV — which saves more in 5 years?
Find the best family car based on 5-year ownership costs, fuel efficiency, resale value, and your specific needs. Compare petrol, diesel, hybrid, and EV options.
Compare carsHow much am I bleeding on Netflix & apps?
Calculate your OTT and app subscription costs. Find unused Netflix, Spotify, Prime and see monthly and yearly savings potential with SIP projection.
Audit subscriptionsWhat does daily chai cost per year?
Calculate your daily chai/coffee spend and yearly latte factor. See savings from brewing at home and 5-year SIP potential.
See chai savingsWhich fuel card pays for itself fastest?
Compare the best fuel credit cards in India 2026. Calculate your annual savings with RBL XTRA (8.5%), SBI Octane (7.25%), and IDFC Power+ (6.5%). Find your perfect card in 30 seconds.
Compare fuel cardsWhere am I losing cashback on shopping & dining?
Find the best lifestyle credit card for your monthly spends. Compare cashback on shopping, dining, fuel & entertainment. Free calculator, instant results, no signup. Top cards: HDFC Millennia, SBI SimplyCLICK, Axis Neo Rupay, ICICI Amazon Pay & more.
Lifestyle card calcAre lounge & travel perks worth the annual fee?
Compare the best luxury & metal credit cards in India 2026. Free calculator for travel, lounge, golf, dining & lifestyle spends. HDFC Infinia, Axis Magnus, ICICI Emeralde & more. Instant net savings, fee waiver logic, no signup.
Luxury cardsTotal Fuel Cost = (Distance ÷ Mileage) × Fuel Price per Litre
Example: For 500 km journey with 15 km/l mileage at ₹105/litre
Cost = (500 ÷ 15) × 105 = ₹3,500
Petrol
₹95-110/L
Varies by city & state taxes
Diesel
₹85-100/L
Cheaper than petrol in most states
CNG
₹75-85/kg
Includes 18% GST
| Daily Distance | Mileage | Fuel Price | Monthly Cost |
|---|---|---|---|
| 20 km | 15 km/l | ₹105/l | ₹4,200/month |
| 40 km | 18 km/l | ₹95/l | ₹6,333/month |
| 60 km | 22 km/l | ₹90/l | ₹7,364/month |
Use our Fuel Cost Calculator to calculate your exact monthly and annual fuel expenses.
Save up to 8.5% on every fuel purchase with cards like RBL Bank XTRA, SBI Octane, IDFC FIRST Power+
Compare Best Fuel Credit Cards →Regular servicing, correct tire pressure, smooth driving can improve mileage by 15-20%
Track Your Fuel Efficiency →Use trip planner to find shortest routes, avoid traffic, reduce fuel consumption by up to 25%
Use Trip Planner →CNG costs 30-40% less than petrol. Break-even in 1-2 years for daily commuters (40+ km/day)
Use our free fuel cost calculator. Enter distance (km), vehicle mileage (km/l), and current fuel price (₹/litre). Formula: Fuel Cost = (Distance ÷ Mileage) × Fuel Price. Our calculator automatically calculates monthly, annual costs and includes GST for CNG. For example, a 500 km trip with 15 km/l mileage at ₹105/litre costs ₹3,500.
Use the Fuel Efficiency Calculator. Fill your tank completely, note the odometer reading. After driving, refill and note litres added and new odometer reading. Formula: Consumption per km = Litres Used ÷ Distance Travelled. Our calculator converts between km/l, l/100km, and MPG automatically.
FreeFuelBill.in offers the best free fuel calculator suite for India with 8 specialized tools: Trip Planner with toll estimation, Fuel Cost Calculator with GST, Fuel Efficiency Calculator, Consumption Calculator, Car Advisor, and Credit Card Savings Calculators. Used by 50,000+ users monthly. No signup required, instant results, mobile-friendly, and supports all Indian fuel types (Petrol, Diesel, CNG).
Depends on vehicle mileage: Car with 15 km/l: 6.67 litres (₹700 at ₹105/l).Car with 20 km/l: 5 litres (₹525). Bike with 40 km/l: 2.5 litres (₹263). Use our Fuel Consumption Calculator for exact calculations. Current petrol prices range ₹95-110/litre across India (Feb 2026).
Use our Trip Planner with Fuel Cost Calculator. Enter starting point, destination, vehicle mileage, and fuel price. It calculates distance, fuel needed, total cost, toll charges, and CO₂ emissions. Supports multi-vehicle comparison for carpooling. Perfect for planning road trips across India (Delhi-Mumbai, Bangalore-Chennai, etc.).
Petrol cars: 15-18 km/l is good, 20+ km/l is excellent.Diesel cars: 18-22 km/l is good, 25+ km/l is excellent.CNG cars: 25-30 km/kg is good.City driving typically gives 20-30% lower mileage than highway. Track your vehicle's efficiency with our Fuel Efficiency Calculator.
Top 5 ways to save: 1) Use fuel credit cards (save up to 8.5% -see best cards), 2) Maintain optimal tire pressure (save 10-15%), 3) Avoid aggressive driving (improves mileage by 20%), 4) Regular vehicle servicing, 5) Plan routes efficiently to avoid traffic.Use our calculators to track and optimize your fuel expenses.
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Instant Results
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India-Specific Features
GST calculations, CNG support, state-wise fuel prices
Multi-Format Support
Converts km/l, l/100km, MPG, km/kg automatically
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Beyond calculators, explore our comprehensive fuel management suite:
For additional financial calculators, health calculators, math calculators, and real estate calculators, visit EasyProCalculator.com — offering 88+ free online calculators and utilities for finance, health, math & real estate. Fast, accurate, and mobile-friendly.
Includes calculators for loans, EMI, investments, taxes, BMI, calorie counter, mortgage, home loan, percentage, and more.
Master fuel expense management, tax compliance, and maximize savings:
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Axis Flipkart, SBI Cashback, IDFC Vistara & more. Free calculator.
Best Fuel Credit Cards India 2026
Compare cards, calculate savings up to 8.5% value-back
GST Compliance Guide for Fuel Expenses
Understand tax implications, ITC eligibility, claim process
Fuel Expense Documentation Guide
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Parental Rent Compliance Kit
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Free Fuel Bill Generator
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Trip Planner with Fuel Calculator
Plan routes, calculate costs, estimate tolls, track emissions
Exact-match landing pages for common India queries — same tools, clearer titles for search results.
Petrol litres by distance
Trip petrol cost (prefilled km)
Mileage & efficiency
Mileage calculator India (km per litre)FreeFuelBill.in provides the most comprehensive and accurate fuel calculator suite for India. Our tools help individuals, families, and businesses calculate petrol costs, diesel costs, CNG expenses, vehicle mileage, trip expenses, and optimize fuel consumption. All calculators are 100% free, require no signup, and provide instant results.
Popular Use Cases: Daily commute cost calculation, road trip planning, monthly fuel budget estimation, vehicle comparison before purchase, fleet fuel expense management, fuel efficiency tracking, credit card savings optimization, tax-deductible fuel expense documentation.
Coverage: Our calculators support all major Indian cities (Mumbai, Delhi, Bangalore, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Jaipur, Surat) with state-specific fuel prices, GST calculations for CNG, and support for petrol, diesel, CNG vehicles including cars, bikes, SUVs, and commercial vehicles.
Last Updated: February 2026 with current fuel prices, GST rates, and vehicle mileage data for India.