Pull up to a petrol pump with ₹100 and, at today’s prices, you ride away with about 39 kilometres in the tank. Plug an electric bike into a wall socket and spend the same ₹100 on electricity, and the answer is not a little more. At typical home rates, it is several times more. Here is the petrol vs electric cost per km maths, shown plainly, with the honest caveats.
The ₹100 test in short
- ₹100 of petrol takes a bike about 39 km at ₹115 per litre and 45 km per litre.
- ₹100 of home electricity takes an electric bike about 321 km at ₹8 per kWh, roughly 8 times further.
- Even a public charger at ₹20 per kWh still beats petrol, at about 129 km.
- A typical everyday rider saves about ₹2,244 a month on energy, or about ₹26,933 a year.
- It is energy cost only. Purchase price, insurance and maintenance matter too, and we cover them below.
Petrol vs Electric Cost per Km: The Simple Maths
Start with petrol. At ₹115 per litre, a bike that gives 45 km per litre uses ₹115 ÷ 45 = ₹2.56 of fuel for every kilometre. Spend ₹100 and you get 100 ÷ 2.56 = 39 km.
Now electricity. An electric two-wheeler uses energy measured in watt-hours (Wh) per kilometre. We assume about 35 Wh per km at the battery, which is a typical order of magnitude for an electric motorcycle. Charging loses about 10 percent as heat, so the wall socket supplies about 39 Wh per km. At ₹8 per kWh, that costs ₹0.31 per kilometre. Spend ₹100 and you get 100 ÷ 0.31 = 321 km.
How Far Does ₹100 Take You? Four Charging Scenarios
Electricity tariffs differ by state, slab and time of day, so a single number can mislead. This table shows how the petrol vs electric cost per km result changes.
| Electricity price | Electric cost per km (₹) | Distance for ₹100 | Times further than petrol |
|---|---|---|---|
| ₹6 per kWh | 0.23 | 429 km | 11.0x |
| ₹8 per kWh | 0.31 | 321 km | 8.2x |
| ₹10 per kWh | 0.39 | 257 km | 6.6x |
| ₹12 per kWh | 0.47 | 214 km | 5.5x |
| ₹15 per kWh | 0.58 | 171 km | 4.4x |
| ₹20 per kWh (public charging) | 0.78 | 129 km | 3.3x |
Petrol baseline: 39 km for ₹100 (₹2.56 per km). Electric at 35 Wh per km and 90% charging efficiency. Illustrative figures.
The pattern is reassuring for the electric case: even when the electricity price doubles from ₹8 to ₹15 per kWh, ₹100 still takes you about 171 km, more than four times the petrol distance. At a public charger priced at ₹20 per kWh, you still get about 129 km.
What does Gravton say? Gravton states a running cost of about ₹0.10 per km for the Quanta. That figure depends on the tariff, load, speed and riding pattern behind it, so we keep it separate from the typical-rate scenarios above. Use the calculator below to enter your own electricity price and see your own result.
What Changes the Answer: Petrol Price, Mileage and Tariff
The petrol vs electric cost per km comparison moves with three inputs. Petrol first, since your mileage and fuel price matter.
| Petrol price | 40 km per litre | 45 km per litre | 55 km per litre |
|---|---|---|---|
| ₹105 per litre | 38 km | 43 km | 52 km |
| ₹115 per litre | 35 km | 39 km | 48 km |
| ₹125 per litre | 32 km | 36 km | 44 km |
Distance you get for ₹100 of petrol.
Even a very efficient petrol bike at 55 km per litre and ₹105 per litre gets about 52 km from ₹100. That is still a fraction of what ₹100 buys in electricity at home.
On the electric side, the main variables are your tariff, how you ride and the load you carry. Heavier loads, hills and sustained high speed raise energy use. For riding habits that stretch every charge, read how to maximise EV bike battery range and our guide to getting more from every charge.
Petrol vs Electric Cost per Km: Try It With Your Own Numbers
Enter your petrol price, your bike’s mileage, your electricity tariff and how much you ride. The results update instantly, showing your own petrol vs electric cost per km.
Your own petrol vs electric cost per km
Calculator assumes 90% charging efficiency and covers energy cost only. Defaults are the examples used in this article.
A Monthly Petrol vs Electric Cost per Km Comparison for Real Riders
Petrol vs electric cost per km is abstract until you multiply it by how much you ride. Here is a month and a year for three typical riders.
| Rider | Petrol a month | Electric a month | Saved a month | Saved a year |
|---|---|---|---|---|
| Light rider 600 km a month | ₹1,533 | ₹187 | ₹1,347 | ₹16,160 |
| Everyday rider 1,000 km a month | ₹2,556 | ₹311 | ₹2,244 | ₹26,933 |
| Heavy-use rider 1,500 km a month | ₹3,833 | ₹467 | ₹3,367 | ₹40,400 |
A commuter who rides 240 km in a week, about 40 km a day for six days, spends about ₹613 on petrol versus about ₹75 on electricity. Over a year, the savings are the equivalent of several months of petrol.
What the ₹100 Comparison Does Not Include
A fair petrol vs electric cost per km comparison needs the full picture. These figures cover energy cost only. Before deciding, also weigh the following.
- Purchase price. Electric two-wheelers often cost more upfront. Divide the extra price by your monthly saving to see how many months it takes to recover.
- Maintenance. Electric bikes have no engine oil, spark plugs or clutch to service, so routine servicing is typically lighter. Brakes, tyres and suspension still need care.
- Battery warranty and life. Read what the warranty covers and for how long. Gravton, for example, backs the Quanta battery with a 3 year or 30,000 KM warranty.
- Insurance and registration. These vary by vehicle and state. Many states waive or reduce road tax for electric vehicles.
- Charging access. Home charging is the cheapest. If you must rely on public chargers, the saving is smaller, though still significant.
For a wider buyer checklist, read our electric vehicle buying guide, and for charging basics see electric vehicle charge time, cost and battery life tips.
How to Work Out Your Own Petrol vs Electric Cost per Km in 60 Seconds
- Petrol cost per km: divide the petrol price per litre by your bike’s km per litre.
- Electric energy per km: take your vehicle’s Wh per km, divide by 1,000 to get kWh, then divide by 0.9 for charging losses.
- Electric cost per km: multiply that energy by your electricity price per kWh.
- Distance for ₹100: divide 100 by each cost per km.
- Monthly saving: multiply the difference in cost per km by the kilometres you ride in a month.
Prefer to keep it quick? Use the petrol vs electric cost per km calculator above, and revisit the numbers when petrol prices or electricity tariffs change.
Feel the difference. Numbers on petrol vs electric cost per km are one thing. A ride is another. Book a test ride on the Gravton Quanta and compare how it feels with your petrol bike on your own route.
Ready to Test the Maths?
Book a test ride and see what an electric motorcycle fits into your week.
Book a Test Ride Why Riders Are SwitchingFrequently Asked Questions
How far does ₹100 of petrol take a bike?
At ₹115 per litre and 45 km per litre, ₹100 buys about 39 km. At 55 km per litre it is about 48 km, and at 40 km per litre about 35 km.
How far does ₹100 of electricity take an electric bike?
With an electric two-wheeler using about 35 Wh per km, a 90% efficient charger and electricity at ₹8 per kWh, ₹100 takes you about 321 km. At ₹12 per kWh it is about 214 km, and at a public charger priced at ₹20 per kWh about 129 km.
Is an electric bike really cheaper to run than a petrol bike?
On energy cost alone, yes. In this example petrol costs about ₹2.56 per km and home charging about ₹0.31 per km, so electric is roughly 8 times cheaper per kilometre. Purchase price, insurance, maintenance and battery warranty also matter.
What does Gravton say the Quanta costs per kilometre?
Gravton states a running cost of about ₹0.10 per km for the Quanta. Actual cost depends on your electricity tariff, load, speed and riding pattern.
Does public charging cost more than home charging?
Usually yes. Public chargers typically price electricity higher than a home tariff and may add taxes or idle fees. In this example, ₹20 per kWh still takes you about 129 km for ₹100, roughly 3.3 times further than petrol.
How do I calculate my own petrol vs electric cost per km?
Petrol: price per litre divided by km per litre. Electric: tariff per kWh multiplied by energy used per km in kWh, divided by charging efficiency. Use the calculator in this article to do it in seconds.
What changes the result the most?
The electricity tariff, your riding style and the petrol price change the numbers most. Heavy loads, hills and high speed raise electric energy use, and efficient petrol bikes narrow the gap, but the difference stays large.
Do these figures include maintenance and the battery?
No. They cover energy cost only. Electric two-wheelers generally need less routine maintenance, but you should also compare the purchase price, insurance and the battery warranty terms.
About this article. Published by Gravton Motors, Hyderabad, an electric two-wheeler manufacturer, so Gravton details are manufacturer-provided. All petrol vs electric cost per km figures are illustrative and based on the stated assumptions: petrol at ₹115 per litre and 45 km per litre, electricity at ₹8 per kWh, 35 Wh per km at the battery and 90% charging efficiency. Your results will vary.
Website: www.gravton.com | Email: connect@gravtonmotors.com | Phone: 7995252220
Disclaimer: This article is published by Gravton Motors Pvt. Ltd. for general informational purposes only. The insights, opinions, estimates and recommendations shared here are illustrative, may not apply to every vehicle, location or situation, and do not constitute professional, technical, legal or financial advice. While we aim to be accurate, Gravton Motors makes no guarantee of the accuracy, completeness or timeliness of the content and cannot be held responsible for any loss, damage or inconvenience arising from reliance on it. Always refer to your vehicle's owner's manual and consult the manufacturer or a qualified professional before acting. References to third-party organisations and links are provided for convenience and do not imply endorsement.
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