Electricity Cost Calculator
Running cost of an appliance per day, month and year.
Runs in your browser — nothing is uploaded—
Details
For learning, hobby and prototyping use. Not professional electrical design advice — follow applicable codes and standards.
How to use Electricity Cost Calculator
- Enter your values — the unit for each field is shown next to it.
- The result updates instantly as you type.
- Copy the results, or change inputs to compare scenarios.
Formula & assumptions
kWh/day = watts × hours ÷ 1,000; cost = kWh × price