basic

Electricity Cost per Appliance Calculator

Cost = power (kW) × hours × rate ($/kWh) — energy bill for any device.

Calculates daily, monthly, and annual electricity cost for any household appliance from wattage, daily usage hours, and electricity tariff.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

kWh/day = watts/1000 × hours; Cost/month = kWh/day × 30 × rate

In depth

Calculates daily, monthly, and annual electricity cost for any household appliance from wattage, daily usage hours, and electricity tariff.