Watt Meter Calculator
Estimate how much electricity a device uses and what it costs across a week, month, and year using wattage, runtime, and tiered utility rates.
W
Weekly pricing tiers
4 hr
$/kWh
20 hr
$/kWh
24 hr
$/kWh
168 / 168 hr per week assigned
Inputs are not validated. Make sure the tier hours and days match the utility schedule you want to estimate.
$0.53/ day
$15.97/ month
$191.62/ year
watts × qty × hrs/week ÷ 1000