Electricity Cost Calculator

Estimate the running costs of any appliance and take control of your utility bills.

Appliance Details

W
Look for the "W" label on your device (e.g., 1500W).
$
Check your utility bill for "Price per kWh".

Estimated Expenses

Annual Cost
$0.00
Monthly Cost
$0.00
Daily Cost
$0.00
Power Consumption: 0.00 kWh/day

Understanding Your Electricity Bill

Have you ever wondered why your electric bill spikes in the summer or winter? Most of the time, it's due to high-wattage appliances running for extended periods. Our Electricity Cost Calculator allows you to isolate a single device and see exactly how much it adds to your monthly statement.

The Math Behind the Calculation

Utility companies charge you based on Kilowatt-hours (kWh). To find this, we first convert the wattage of your device into kilowatts and then multiply by the time used.

Daily Energy (kWh) =
Watts × Hours/Day
1000
Total Cost = kWh × Rate

Average Wattage of Common Household Appliances

If you don't have the manual handy, here are some typical averages to get you started:

  • Central Air Conditioner: 3,000 – 5,000 Watts
  • Electric Water Heater: 4,000 Watts
  • Refrigerator: 100 – 400 Watts (but runs cycles)
  • Gaming Laptop: 150 – 300 Watts
  • LED Light Bulb: 8 – 12 Watts
  • Space Heater: 1,500 Watts

3 Tips to Lower Your Energy Bill

  1. Identify "Vampire" Loads: Many electronics (TVs, chargers, consoles) consume small amounts of power even when turned off. Use a smart power strip to cut them off completely.
  2. Upgrade to LED: Replacing five most-used incandescent bulbs with LED equivalents can save you significant money over a year.
  3. Maintain HVAC Filters: A dirty air filter makes your AC work harder, increasing wattage draw by up to 15%.
Pro Tip: Many utility companies offer "Time-of-Use" rates. Check if electricity is cheaper at night; running your dishwasher or dryer then could cut your costs in half.