A kilowatt-hour is 1000 watts used for one hour. It's the standard unit for billing electricity.

How can I reduce electricity costs?

Use energy-efficient appliances, turn off unused devices, and use timers to reduce standby power.

Electricity Cost Calculator

Calculate electricity costs for appliances based on wattage, usage hours, and rates.

Power (Watts) Hours Used Per Day Electricity Rate (per kWh)

Check the label on the appliance or its manual. Common examples: LED bulb 10W, refrigerator 150W, AC unit 1500W.

A kilowatt-hour equals 1000 watts used for one hour. It's the standard billing unit for electricity.

Use energy-efficient appliances, turn off devices when not in use, and use smart plugs/timers to reduce standby power.

How is the result calculated?

Uses standard mathematical formulas widely accepted in the field. The formula is shown with each result.

Does it show the work?

Yes, step-by-step breakdowns are provided so you can follow the calculation logic.

Can I save my calculations?

Results can be copied to clipboard. Use the Copy or Print button for a permanent record.

Can I compare different scenarios?

Adjust the inputs and recalculate to compare different scenarios side by side.

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