Holiday Lights Calculator
Holiday lights energy cost.
Enter values above — results appear instantly as you type.
Formula
kWh = (Strings × W × Hr × Days) / 1000
Example
20 strings × 60W × 6hr × 30 days → 216 kWh, $26.
Holiday lights energy cost.
kWh = (Strings × W × Hr × Days) / 1000
20 strings × 60W × 6hr × 30 days → 216 kWh, $26.