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Electricity

Appliance Electricity Cost Calculator

Compare fans, pumps, refrigerators, televisions and other devices using their rated watts and your real usage pattern.

Formula shown Browser-only inputs Offline ready
Your inputs

Enter your household details

Your numbers stay in this browser. Nothing is uploaded.
Your estimate

Estimated monthly running cost

₹144

This appliance may use about 18 kWh over 30 days.

Monthly energy18 kWh
Daily cost₹4.8
Annual cost₹1,728

Keep in mind

Rated wattage is treated as steady consumption while the appliance is on.

Cycling loads such as refrigerators and air conditioners may vary.

How this estimate works

A simple formula, visible assumptions

Energy (kWh) = watts × hours × days ÷ 1,000.

The result updates in your browser as you change an input. It is a planning estimate, so compare it with real bills, product specifications and a qualified professional's assessment.

Read the full methodology
A better input gives a better result

Before you calculate

  • Use a recent electricity bill or equipment nameplate.
  • Enter prices and tariffs that apply to your household.
  • Keep notes from installers or manufacturers nearby.
  • Recalculate when your usage pattern changes.
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