Home & Living
Electricity Cost Calculator
Estimate monthly appliance running costs from wattage, usage hours, and tariff rates.
Interactive tool
Electricity Cost Calculator
Daily units
9 kWh
Monthly cost
₹2,160
Annual cost
₹25,920
ChoiceIQ readout
The estimated running cost is moderate. Still check seasonal usage and slab rates if this appliance runs daily.
- + Compare this annual cost with the price difference of a more efficient model.
- + Check whether your tariff changes by slab or time of day.
- + Run the calculator again with summer or peak usage hours.
Tool guide
How to use this electricity cost calculator
Use this electricity cost calculator before buying or running high-consumption appliances. Add wattage, daily usage, and your tariff to estimate daily units, monthly cost, and annual cost.
Formula
Daily units = watts x hours used per day / 1000. Monthly cost = daily units x tariff x 30.
How it works
Use this electricity cost calculator before buying or running high-consumption appliances. Add wattage, daily usage, and your tariff to estimate daily units, monthly cost, and annual cost.
Examples
- + Air conditioner cost
- + Refrigerator usage
- + Work-from-home setup
FAQ
How do I find appliance wattage?
Check the label, user manual, product page, or adapter. For variable-load appliances, use the rated wattage as an estimate.
What is kWh or unit?
One electricity unit is one kilowatt-hour. A 1000W appliance running for one hour uses about one unit.
Why is my real bill different from this estimate?
Bills can include fixed charges, taxes, slab rates, meter differences, and changing usage patterns.