100 km Fuel Cost Calculator India | Petrol, Diesel, CNG & EV | CalcWise
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⛽ 100 km Fuel Cost Calculator — India

Short Day Trip · Petrol · Diesel · CNG · EV · June 2026 Prices

🚗 Petrol ₹693 (15 km/L) 🚌 Diesel ₹511 (18 km/L) 💚 CNG ₹281 (3.7 kg)

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📊 100 km Fuel Cost — All Vehicle Types

National average prices · Petrol ₹104.0/L · Diesel ₹92.0/L · CNG ₹76.0/kg · EV ₹9.0/kWh

Mileage ⛽ Petrol 🚌 Diesel 💚 CNG ⚡ EV
10 km/L
SUV/MUV
₹1,040 ₹920 ₹281
(3.7 kg)
₹140
(15.5 kWh)
12 km/L
Sedan/Hatchback
₹867 ₹767 ₹281
(3.7 kg)
₹140
(15.5 kWh)
15 km/L
Efficient Hatch
₹693 ₹613 ₹281
(3.7 kg)
₹140
(15.5 kWh)
18 km/L
Hybrid/Diesel
₹578 ₹511 ₹281
(3.7 kg)
₹140
(15.5 kWh)
20 km/L
Premium Diesel
₹520 ₹460 ₹281
(3.7 kg)
₹140
(15.5 kWh)
25 km/L
CNG Car (reference)
₹416 ₹368 ₹281
(3.7 kg)
₹140
(15.5 kWh)

Mileage varies with load, speed, AC use, tyre pressure & road quality. Highway fuel economy is typically 10–15% better than city.

🏙️ 100 km Fuel Cost by City (Petrol 15 km/L · Diesel 15 km/L)

City Petrol ₹/L Diesel ₹/L Petrol Cost Diesel Cost
Delhi ₹102.12 ₹95.2 ₹681 ₹635
Mumbai ₹111.18 ₹97.83 ₹741 ₹652
Bangalore ₹110.89 ₹88.99 ₹739 ₹593
Hyderabad ₹115.69 ₹101.94 ₹771 ₹680
Chennai ₹107.74 ₹92.61 ₹718 ₹617
Kolkata ₹113.47 ₹91.67 ₹756 ₹611
Ahmedabad ₹101.99 ₹88.88 ₹680 ₹593

Fuel prices as of June 2026 (PPAC). Prices include central excise + state VAT — vary by ₹8–15/L across states.

🗺️ Popular Indian Routes near 100 km

Actual distances, highway number, one-way toll (car), drive time, and estimated petrol cost at 15 km/L.

Route Distance Highway Toll (one-way) Drive Time Petrol Cost
Ahmedabad → Vadodara ~109 km NH48 ₹60 1.5–2 hr ₹756
Delhi → Meerut ~72 km NH58/Expressway ₹120 1.5 hr ₹499
Chandigarh → Shimla ~115 km NH5 ₹85 3 hr ₹797
Mysore → Madikeri ~120 km SH88 ₹0 2.5 hr ₹832
Hyderabad → Nalgonda ~95 km NH565 ₹60 2 hr ₹659

Toll amounts are approximate FY 2025-26 rates for 4-wheeler. Exact tolls vary by route and NHAI revision. Use FASTag for cashless payment.

💡 Fuel-Saving Tips for a 100 km Short Day Trip

  • Fill up before leaving — city fuel is often cheaper than highway dhabas.
  • For 100 km trips, AC adds ~10–12% to fuel consumption vs windows open.
  • Tyre pressure check: under-inflated tyres cost 4–6% extra fuel on short runs.
  • A morning start (before 8 AM) on NH routes saves 15–20 min and reduces idling fuel.

❓ Frequently Asked Questions — 100 km Fuel Cost

How much petrol for 100 km?

At 15 km/L (typical petrol hatchback), you need 6.7 litres for 100 km. At the national average of ₹104.0/L that’s ₹693 in fuel. An SUV at 10 km/L needs 10 litres (~₹1,040).

What is the diesel cost for 100 km?

Diesel at ₹92.0/L average: a car doing 18 km/L needs 5.6 litres = ₹511 for 100 km. Diesel saves ₹182 vs a petrol car at 15 km/L on this distance.

How much does a 100 km road trip cost in India?

Fuel alone: ₹693 (petrol, 15 km/L) to ₹1,040 (SUV, 10 km/L). Add tolls (₹200–300 estimate), food, and accommodation for multi-day trips. Total cost for a short day trip budget: see our detailed breakdown above.

Is CNG cheaper than petrol for 100 km?

Yes — CNG at ₹76.0/kg with 27 km/kg costs ₹281 for 100 km vs ₹693 in petrol (15 km/L). CNG is ~50–60% cheaper per km. The caveat: CNG range is 200–250 km per fill, so for longer trips you need station planning.

Is 100 km trip worth taking by car vs train?

For 100 km, a car often costs ₹600–900 in petrol (shared = ₹150–225 per person for 4 people) vs a train ticket of ₹50–200. Car wins on convenience and door-to-door time if 3+ people travel together.