Fuel Cost Calculator India 2026

How to Calculate Fuel Cost

Calculating fuel cost is straightforward — you need just three numbers: the distance you plan to travel, your vehicle's mileage (fuel efficiency), and the current fuel price. Whether you're estimating your daily commute budget, planning a weekend road trip from Mumbai to Pune, or comparing annual fuel costs between petrol and CNG, the process follows the same simple formula.

Follow these four steps to calculate fuel cost manually:

1. Determine your distance: Measure or estimate the total distance in kilometers. For daily commute, this is your one-way or round-trip office distance.
2. Find your vehicle's mileage: Check your car's fuel efficiency in km/litre (kmpl) for petrol/diesel or km/kg for CNG. Use real-world mileage, not the ARAI-claimed figure.
3. Check the current fuel price: Fuel prices vary by city in India. Check the latest petrol, diesel, or CNG price for your city.
4. Apply the formula: Divide the distance by mileage to get litres consumed, then multiply by fuel price.

Our calculator above automates all four steps. Just select your city (prices auto-fill), enter your distance and mileage, and see instant results.

Fuel Cost Formula

Where:

• Distance — one-way or total distance in kilometers
• Mileage — your vehicle's fuel efficiency (km per litre for petrol/diesel, km per kg for CNG)
• Fuel Price — current price per litre (₹/litre) or per kg (₹/kg) in your city

To find cost per kilometer, simply divide the fuel price by your mileage:

Worked Example — Daily Commute in Delhi

Ravi drives 30 km daily (round trip) to his office in Delhi. He owns a Maruti Swift (petrol) with real-world city mileage of 18 kmpl. Petrol in Delhi costs ₹94.77/litre.

1. Fuel consumed per day: 30 km ÷ 18 kmpl = 1.67 litres
2. Daily fuel cost: 1.67 × ₹94.77 = ₹158
3. Monthly cost (30 days): ₹158 × 30 = ₹4,740
4. Yearly cost (365 days): ₹158 × 365 = ₹57,670
5. Cost per km: ₹94.77 ÷ 18 = ₹5.27/km

Worked Example — Delhi to Jaipur Road Trip

Planning a weekend trip from Delhi to Jaipur? The distance is 281 km (one way). Using a Hyundai Creta (petrol, 15 kmpl highway mileage) at Delhi petrol price of ₹94.77/litre:

1. Fuel needed (one way): 281 ÷ 15 = 18.73 litres
2. One-way cost: 18.73 × ₹94.77 = ₹1,775
3. Round trip cost: ₹1,775 × 2 = ₹3,550
4. Cost per km: ₹94.77 ÷ 15 = ₹6.32/km

Use our Trip Cost mode above to calculate this for any route in India.

Today's Fuel Prices in Major Indian Cities (March 2026)

Fuel prices in India are revised daily under the dynamic fuel pricing mechanism adopted in June 2017. However, prices vary significantly between cities due to different state VAT rates. Below are indicative prices for major cities:

City	Petrol (₹/L)	Diesel (₹/L)	CNG (₹/kg)
Delhi	₹94.77	₹87.67	₹77.09
Mumbai	₹103.54	₹90.03	₹80.50
Bangalore	₹102.96	₹90.99	₹88.95
Chennai	₹100.85	₹92.81	₹91.50
Kolkata	₹105.45	₹92.02	₹93.50
Hyderabad	₹109.78	₹97.45	₹88.00
Pune	₹104.36	₹90.33	₹78.00
Ahmedabad	₹94.51	₹90.07	₹72.00
Jaipur	₹104.88	₹90.36	₹85.00
Lucknow	₹94.65	₹87.75	₹76.00
Chandigarh	₹96.20	₹84.26	₹79.00
Bhopal	₹108.65	₹93.90	₹84.00
Patna	₹107.54	₹94.27	₹89.00
Guwahati	₹96.01	₹88.94	₹90.00
Kochi	₹104.47	₹93.47	₹92.00

Note: Prices are indicative and subject to daily revision. Last updated March 2026.

How Fuel Prices Are Determined in India

The retail price you pay at the petrol pump is not just the cost of crude oil. It is a complex composition of multiple components:

Component	Description	Approximate Share
Base Price	International crude oil cost + refining margin + freight charges	45–50%
Central Excise Duty	Tax levied by the Union government (reduced to ~₹3/L for petrol, ₹0 for diesel in March 2026)	3–5%
Dealer Commission	Margin for the petrol pump owner	₹3.50–4.00/L
State VAT/Sales Tax	Varies by state: 15–30%+ of the pre-tax price	25–35%

Mileage of Popular Cars in India (2026)

Your car's mileage (fuel efficiency) is the most important variable in calculating fuel cost. Here are ARAI-claimed and estimated real-world mileage figures for India's most popular cars:

Car Model	Fuel	ARAI (kmpl)	Real-World City	Real-World Highway
Maruti Swift	Petrol	24.80	16–18	20–22
Maruti Swift	CNG	32.85 km/kg	24–26	28–30
Maruti Dzire	Petrol	24.79	16–18	20–22
Maruti Baleno	Petrol	22.94	15–17	19–21
Tata Nexon	Petrol	17.44	12–14	16–18
Tata Nexon	Diesel	23.22	17–19	21–23
Hyundai Creta	Petrol	17.40	11–13	15–17
Hyundai Creta	Diesel	21.38	15–17	19–21
Tata Punch	Petrol	20.09	14–16	18–20
Mahindra XUV700	Diesel	18.00	12–14	16–18
Maruti Alto K10	Petrol	24.39	18–20	22–24
Maruti Wagon R	CNG	34.05 km/kg	26–28	30–32
Hyundai i20	Petrol	20.35	14–16	18–20
Honda City	Petrol	18.40	12–14	17–19
Kia Seltos	Diesel	20.70	14–16	18–20
Toyota Fortuner	Diesel	14.40	9–11	13–15

Mileage of Popular Bikes in India

Two-wheelers are the most fuel-efficient mode of personal transport in India. Here are mileage figures for top-selling bikes and scooters:

Bike/Scooter	ARAI (kmpl)	Real-World	Annual Cost (30 km/day)
Honda Activa 6G	60	45–50	~₹20,700
TVS Jupiter	62	48–52	~₹19,900
Hero Splendor Plus	72	55–65	~₹16,400
Bajaj Pulsar 150	55	40–45	~₹23,000
Royal Enfield Classic 350	37	30–35	~₹30,400
Honda CB Shine	65	50–58	~₹18,500
TVS Apache RTR 160	50	38–42	~₹24,600
Bajaj Platina 110	70	60–65	~₹15,900

Annual cost assumes 30 km/day, 365 days, Delhi petrol at ₹94.77/litre, using real-world average mileage.

Petrol vs Diesel vs CNG — Cost Comparison

Choosing the right fuel type is one of the biggest financial decisions for Indian vehicle owners. Here's a detailed comparison based on Delhi prices (March 2026):

Parameter	Petrol	Diesel	CNG
Price (Delhi)	₹94.77/litre	₹87.67/litre	₹77.09/kg
Typical Car Mileage	18 kmpl	22 kmpl	25 km/kg
Cost per km	₹5.27	₹3.99	₹3.08
Monthly (30 km/day)	₹4,743	₹3,587	₹2,774
Yearly (30 km/day)	₹57,711	₹43,634	₹33,745
5-Year Running Cost	₹2,88,555	₹2,18,170	₹1,68,725
Vehicle Price Premium	Base	+₹1–2 lakh	+₹50K–80K (kit)

Should You Buy Diesel? Break-Even Analysis

Diesel cars cost ₹1–2 lakh more than their petrol counterparts but offer better mileage and lower per-litre cost. The key question: "How many kilometers do I need to drive before the diesel variant pays for itself?"

Example — Hyundai Creta:

• Petrol variant: ₹11 lakh | 13 kmpl city | Cost/km = ₹94.77 ÷ 13 = ₹7.29/km
• Diesel variant: ₹13 lakh | 16 kmpl city | Cost/km = ₹87.67 ÷ 16 = ₹5.48/km
• Saving per km with diesel: ₹7.29 − ₹5.48 = ₹1.81/km
• Break-even: ₹2,00,000 ÷ ₹1.81 = 1,10,497 km (~3.7 years at 30,000 km/year)

If you keep the car for 5+ years and drive 20,000+ km per year, diesel makes financial sense. For city-only driving under 10,000 km/year, stick with petrol or CNG.

10 Tips to Improve Fuel Efficiency in Indian Conditions

Indian roads and traffic present unique challenges. Here are 10 practical tips to reduce your fuel bills:

1. Maintain correct tire pressure: Under-inflated tires increase rolling resistance by 3–5%. Check tire pressure every 2 weeks — most Indian cars need 30–35 PSI.
2. Drive in the 50–80 km/h sweet spot: Most engines are optimized for this range. Going above 100 km/h increases fuel consumption significantly due to aerodynamic drag.
3. Avoid sudden acceleration and braking: Smooth, gradual acceleration uses 15–20% less fuel than aggressive driving. This is especially important in Indian city traffic.
4. Use AC judiciously: AC increases fuel consumption by 10–20%. Below 40 km/h, consider open windows. Above 60 km/h, AC is more efficient than open windows (drag).
5. Get regular servicing: A dirty air filter alone can reduce mileage by 5–10%. Change engine oil, air filter, and spark plugs as per schedule.
6. Remove unnecessary weight: Every 50 kg of extra weight reduces mileage by ~2%. Remove roof racks, heavy items from the boot, and unused accessories.
7. Plan routes to avoid traffic: Use Google Maps to avoid congestion. Idling in traffic burns 0.5–0.8 litres per hour of fuel with zero km covered.
8. Use the correct gear: In manual cars, upshift early (around 2,000–2,500 RPM). Don't lug the engine in too high a gear either — it causes unnecessary fuel richness.
9. Turn off the engine at long signals: Indian traffic signals can last 90–120 seconds. At any stop longer than 30 seconds, turning off the engine saves fuel.
10. Consider CNG for high usage: If you drive 1,000+ km/month, CNG conversion (₹50K–80K) pays for itself in 2–3 years and gives the lowest running cost.

Popular Road Trip Fuel Costs in India

Planning a weekend getaway? Here are estimated fuel costs for popular Indian road trips (using a typical petrol car with 15 kmpl highway mileage):

Route	Distance	Fuel (L)	One-Way Cost	Round Trip
Delhi → Jaipur	281 km	18.7 L	₹1,775	₹3,550
Mumbai → Pune	149 km	9.9 L	₹1,028	₹2,056
Bangalore → Mysore	150 km	10.0 L	₹1,030	₹2,060
Chennai → Pondicherry	155 km	10.3 L	₹1,041	₹2,082
Delhi → Agra	233 km	15.5 L	₹1,473	₹2,946
Mumbai → Goa	589 km	39.3 L	₹4,067	₹8,134
Bangalore → Goa	560 km	37.3 L	₹3,845	₹7,690
Delhi → Chandigarh	244 km	16.3 L	₹1,542	₹3,084

Costs calculated using Delhi petrol price (₹94.77/L) for northern routes and respective city prices for others. Actual costs may vary with fuel price at the route's origin city.

Understanding Dynamic Fuel Pricing in India

India adopted daily dynamic fuel pricing on June 16, 2017. Under this system, Oil Marketing Companies (OMCs) — Indian Oil Corporation (IOC), Bharat Petroleum (BPCL), and Hindustan Petroleum (HPCL) — revise petrol and diesel prices daily at 6:00 AM based on:

• International crude oil prices: India imports over 85% of its crude oil. Brent crude fluctuations directly impact the base cost.
• USD/INR exchange rate: Since crude is traded in US dollars, rupee depreciation increases the cost for Indian refiners.
• Refining margins: The spread between crude oil cost and refined product prices.
• OMC operational costs: Freight, insurance, and storage.

Before 2017, fuel prices were revised only on the 1st and 16th of each month. The shift to daily pricing was intended to smooth out price shock from fortnightly revisions and align Indian prices more closely with global markets.

March 2026 Update: The central excise duty on petrol was reduced by ₹10/litre (down to ~₹3/litre) and on diesel to ₹0 in March 2026, as a government response to crude oil prices approaching $149/barrel due to geopolitical tensions.

CNG vs Petrol — Detailed Running Cost Analysis

CNG (Compressed Natural Gas) has become increasingly popular in India, especially in cities with CNG infrastructure like Delhi-NCR, Mumbai, Ahmedabad, Lucknow, and Pune. Here's a km-by-km comparison:

CNG Kit Cost: ₹50,000–₹80,000 (including installation). At ₹23,966/year savings, the kit pays for itself in 2.1–3.3 years. For Uber/Ola drivers covering 150+ km/day, the payback is just 5–8 months.

Considerations:

• Boot space: The CNG cylinder takes up significant boot space (~60L). Some OEM CNG variants have underseat cylinders to preserve boot space.
• Station availability: CNG stations are concentrated in major metros. In tier-2/3 cities and highways, availability can be limited.
• Performance: CNG mode typically delivers 10–15% lower power than petrol mode due to lower energy density.
• Resale value: Aftermarket CNG fitment can reduce resale value. OEM (factory-fitted) CNG holds better value.

Electric vs Petrol — Running Cost Perspective

With EVs like Tata Nexon EV, MG ZS EV, and Mahindra XUV400 gaining popularity, here's how electric compares on running cost:

Parameter	Petrol	CNG	Electric (EV)
Cost per km	₹5.27	₹3.08	₹1.00–1.50
Monthly (30 km/day)	₹4,743	₹2,774	₹900–1,350
Yearly	₹57,711	₹33,745	₹10,950–16,425
Vehicle Price	₹8–15 lakh	+₹50K–80K	₹14–25 lakh

EVs win decisively on running cost but have higher upfront costs. Use our Percentage Calculator to compare the total cost of ownership over 5–10 years.

Related Calculators & Tools

• Percentage Calculator — Calculate percentage increase/decrease in fuel prices across months or years.
• Percentage Increase Calculator — Track how much fuel prices have risen in your city.
• Compound Interest Calculator — Calculate how investing your fuel savings could grow over time.