Free Online Electricity Cost Calculator

Calculate energy usage and cost for your electrical appliances.

W
Hours
$/kWh
Daily Energy: -
Monthly Energy: -
Daily Cost: -
Monthly Cost: -
Yearly Cost: -

About This Tool

This free online electricity cost calculator estimates how much a device costs to run. Enter device power, daily usage hours, and your electricity rate per kWh to calculate daily, monthly, and yearly cost.

It is useful for comparing appliances, estimating energy bills, checking high-use devices, and planning electricity usage before buying or running equipment.

Benefits and Use Cases

  • Estimate electricity cost from watts, hours, and price per kWh
  • Compare appliance and device running costs
  • Plan monthly and yearly energy budgets
  • Identify devices that use more power than expected

How to Use

  1. Enter the device power.
  2. Enter hours used per day.
  3. Enter your cost per kWh.
  4. Click Calculate.

Frequently Asked Questions

What does this electricity cost calculator estimate?

It estimates energy use and running cost for a device.

What inputs do I need?

You need device power, daily usage hours, and electricity price per kWh.