EV Range & Charging Cost Calculator
Calculate your EV’s range, true cost per km (electricity + tyres), charging cost, and break-even time vs petrol — for any EV sold in India.
1 electricity unit = 1 kWh
Some electricity is lost between the electricity meter and the battery while charging.
4 tyres × ₹12,000 = ₹48,000 per set → ₹2.40/km
🛞 Tyre Wear Cost
Full 0→100% Charge
100% → 20% Battery Usage
Paisa Wasool — Break-Even Calculator
How long until your EV’s savings cover its cost vs a petrol car?
🔧 Service & Battery Costs
Annual maintenance: brake fluid, AC, wipers, inspections
Oil changes, filters, spark plugs, brake pads, clutch
₹0 if under warranty (most EVs: 8 yr / 1.6 L km)
Spread replacement cost over these years
| Annual Cost | ⚡ EV | ⛽ Petrol | Savings |
|---|---|---|---|
| Fuel / Electricity | ₹56,243 | ₹1,26,000 | +₹69,757 |
| Service / Maintenance | ₹5,000 | ₹15,000 | +₹10,000 |
| Total / Year | ₹61,243 | ₹1,41,000 | +₹79,757 |
EV saves ₹79,757/year including service & battery
Range disclaimer: Estimated range is calculated from the battery capacity and efficiency entered above. Actual EV range and electricity consumption may vary depending on driving style, speed, traffic, AC/heater usage, weather, temperature, terrain, tyre pressure, vehicle load, battery condition, regenerative braking and other factors.
Charging loss disclaimer: Charging loss is an estimate. Actual charging losses vary depending on the vehicle, charger, charging speed, battery temperature and other conditions.
Tyre cost disclaimer:Default tyre costs are rough estimates for good-quality tyres matching the vehicle’s rim size. Actual tyre prices vary by brand, type, and dealer. Tyre life depends on driving style, roads, alignment, and tyre quality — 20,000 km is a typical average.
Break-even disclaimer:The Paisa Wasool calculation compares running costs (electricity + tyres vs petrol) plus annual service and amortised battery replacement. It does not account for insurance, depreciation, road tax, registration, resale value, or financing costs. Actual service costs vary by brand, warranty, and driving conditions. Battery replacement may be covered under the manufacturer’s warranty (typically 8 years / 1,60,000 km) — set the replacement cost to ₹0 if your battery is under warranty.
About the EV Range & Charging Cost Calculator
Owning an electric vehicle raises a whole new set of running-cost questions: how far will the battery take me, what does it cost to charge from 20% to 100%, what is my real cost per kilometre once charging losses and tyre wear are accounted for, and how long until the EV pays for itself? The AlarmDaddy EV Range & Charging Cost Calculator answers all of them in one place, for any EV — car, SUV, or electric scooter — sold or upcoming in India.
Select your vehicle from the searchable dropdown (60+ models from Tata, Mahindra, Hyundai, MG, BYD, Kia, Maruti Suzuki, OLA, Ather, TVS, Bajaj, Hero, Tesla, BMW, Mercedes, Audi, Volvo, Porsche, and more) and the battery capacity and tyre rim size fill in automatically. Enter your local electricity rate, the efficiency your EV shows on the dashboard, and the percentage of charging loss your setup incurs (typically 8–15% for home AC charging). The calculator instantly shows your estimated full-charge range, range per 1% of battery, cost per 1% of battery, electricity cost per kilometre — both with and without charging losses — and the total cost of a full 0–100% charge.
Toggle the tyre wear cost switch (on by default) to factor in tyre replacement into your per-km running cost. The calculator pre-fills a sensible tyre price based on your vehicle’s rim size — a 20-inch tyre costs more than a 16-inch one — and assumes a replacement every 20,000 km. You can change the per-tyre cost and rim size to match what you actually pay.
The Paisa Wasool section answers the big question: how many years and months of driving until the EV’s fuel savings (vs a comparable petrol car) cover its purchase price. Enter the EV’s on-road price, your monthly driving distance, the current petrol price, and a petrol car’s mileage. The calculator shows monthly savings, annual savings, and the exact break-even point — with a visual comparison bar.
You can also set a custom starting and ending battery percentage (say 100% to 20%, or 80% to 10%) to see the usable range and the exact electricity cost for that slice of the battery. Every result updates instantly. A share button lets you send the full summary to anyone.
How to use this calculator
- 1Select your EV from the searchable car dropdown, or choose "Other / Custom EV" and enter the battery capacity manually.
- 2Enter your local electricity rate in ₹ per unit (1 unit = 1 kWh). Home rates in India typically range from ₹3 to ₹12 depending on the state and slab.
- 3Enter your average driving efficiency in km/kWh as shown on your EV’s dashboard or trip computer.
- 4Adjust the charging loss percentage if needed (default 10%). Home AC chargers lose 8–15%; DC fast chargers may lose 5–10%.
- 5Toggle the tyre wear cost switch to include tyre replacement in the per-km running cost. The default tyre price is based on the rim size — change it to match your actual tyre.
- 6Optionally change the starting and ending battery percentages to calculate the range and cost for a specific charge window.
- 7Scroll down to Paisa Wasool: enter the EV’s on-road price, your monthly driving distance, petrol price, and a comparable petrol car’s mileage to see the break-even time.
- 8Read the results: estimated full range, cost per km (with tyres and charging loss), full charge cost, and the break-even period.
- 9Tap Share Results to copy or send the complete summary to anyone.
The formula
The calculator uses seven core formulas. Full battery range is simply battery capacity multiplied by efficiency (km per kWh). Cost per kilometre divides the electricity rate by efficiency. To account for charging losses — the electricity consumed between the meter and the battery that never reaches the cells — the calculator divides the usable energy by (1 minus the loss percentage) before multiplying by the rate. For example, with a 79 kWh battery, ₹6/unit rate, and 10% loss, the grid draws 79 ÷ 0.90 = 87.78 kWh, costing ₹526.67 instead of ₹474. The selected-range section uses the same formulas but over the chosen battery slice (e.g. 80% of 79 kWh = 63.2 kWh usable).