Electricity cost calculator
W
h
$/kWh
Your bill's total ÷ kWh used. 0.18 is the US residential average.
Result
$22 / month
- Per day
- $0.72
- Per year
- $263
- Energy per day
- 4 kWh
- Energy per month
- 121.7 kWh
How it is calculated
- kWh per day = 1,000 W × 4 h ÷ 1,000 = 4
- Per month = 4 kWh × 30.4 days × $0.18 = $22