Guides
Electricity Cost Guides
Simple explanations for the numbers behind appliance running costs.
Basics Watts to kWh Understand the unit used on electricity bills. Basics How to Calculate Electricity Cost Use watts, hours, and price per kWh to estimate running cost. Appliance Planning Average Appliance Wattage Compare typical wattage ranges for common household appliances. Utility Bills Electricity Rate Cost per kWh Learn what cost per kWh means and where to find your rate. Saving Energy Appliance Energy Saving Tips Practical ways to lower appliance running costs at home. Methodology References and Methodology See how WattCostGuide handles formulas, wattage ranges, electricity rates, and limitations.
Popular appliance calculators
After reading the basics, use a calculator to estimate a real appliance cost.