An electricity cost calculator determines the running cost of any electrical appliance by multiplying its power consumption (in kilowatts) by hours used per day and the electricity rate per kWh.
About this calculator
An electricity cost calculator determines the running cost of any electrical appliance by multiplying its power consumption (in kilowatts) by hours used per day and the electricity rate per kWh. It shows costs per day, per month, and per year.
Electricity pricing in India varies by state and consumption slab, typically ranging from ₹3–10 per kWh. Looking at appliance-level usage can help you spot high-consumption devices and reduce your bill.
Common uses
- Calculate monthly electricity cost of an air conditioner
- Compare running costs between an LED and incandescent bulb
- Estimate annual electricity bill for home appliances
- Identify which appliances contribute most to your electricity bill
Frequently asked questions
How is electricity consumption calculated?
Energy (kWh) = Power (kW) × Time (hours). A 1500W air conditioner running 8 hours uses 1.5 × 8 = 12 kWh. At ₹6/kWh, that is ₹72 per day, ₹2,160 per month. The kWh is the standard billing unit for electricity.