Electricity Cost Calculator

Calculate daily, monthly, and yearly electricity costs based on device wattage and usage hours.

How to Use Electricity Cost Calculator

The Electricity Cost Calculator is a free online tool that estimates how much it costs to run any electrical device. Enter the device wattage, hours of daily use, and your electricity rate per kilowatt-hour to see daily, monthly, and yearly costs. Whether you are trying to reduce your electric bill, comparing energy-efficient appliances, estimating costs for mining rigs or servers, calculating AC or heater running costs, or budgeting for new equipment, this calculator gives you clear cost projections. Helps you make informed decisions about energy usage and identify which devices cost the most to operate.

Step-by-Step Instructions

  1. Enter the device power consumption in watts
  2. Enter how many hours per day you use the device
  3. Enter your electricity cost per kWh from your utility bill
  4. View daily, monthly, and yearly cost estimates

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