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Calculate the exact electricity cost per full charge and per kilometer for electric cars, scooters, and bikes.
Charging an electric scooter (3 kWh battery) at home costs about ₹20 to ₹25 for a full charge giving 80–100 km range (roughly ₹0.25/km). Charging a typical electric car (30–40 kWh battery) costs about ₹220 to ₹320 for 250–300 km range (around ₹1.00/km), compared to ₹6–₹8/km for petrol.
Calculating your EV home charging cost is straightforward. The formula is:
Charging Cost (₹) = Battery Capacity (kWh) × Electricity Tariff (₹/kWh) ÷ Charger Efficiency (~85% to 90%)
Because standard AC home wall chargers lose about 10% to 15% energy as heat during the AC-to-DC conversion, a 30 kWh car battery draws roughly 33 to 35 units of electricity from your meter for a 0% to 100% full charge.
| Vehicle Type | Battery Size | Full Charge Units | Full Charge Cost (at ₹7.50/u) | Real-World Range | Running Cost / km |
|---|---|---|---|---|---|
| Electric Scooter (Ola / Ather / TVS) | 3.0 - 3.7 kWh | 3.5 - 4.2 units | ₹26 - ₹32 | 90 - 110 km | ₹0.28 / km |
| Compact EV (MG Comet / Tiago EV) | 17.3 - 24 kWh | 20 - 27 units | ₹150 - ₹200 | 180 - 220 km | ₹0.85 / km |
| Mid-Size EV (Nexon EV / Curvv EV) | 40 - 45 kWh | 45 - 50 units | ₹330 - ₹375 | 300 - 350 km | ₹1.10 / km |
You can charge a 2-wheeler or 3.3 kW car charger on your existing domestic connection. However, many DISCOMs now offer a dedicated EV meter tariff with flat rates and no domestic slab penalties.
Yes, if you charge from your regular home meter. Adding 200–300 units per month for EV charging might push your total home usage above 300 or 500 units into a higher rate tier.
Enter your battery size and daily commute distance to calculate your exact monthly EV power expenses.