i am trying to figure out how the wattage of my lights will relate to my electric bill. a know a 1000w light uses 1000watts but over what period?

The ultimate goal is to keep my usgae below 3000KW hours per month, thus keeping my electric bill in a normal range.

i know it will vary depending on lighting schedule but can someone tell me how to calculate it? I know it must be simple.
yamaha_1fan Reviewed by yamaha_1fan on . how does a 1000w light relate to electric bill? i am trying to figure out how the wattage of my lights will relate to my electric bill. a know a 1000w light uses 1000watts but over what period? The ultimate goal is to keep my usgae below 3000KW hours per month, thus keeping my electric bill in a normal range. i know it will vary depending on lighting schedule but can someone tell me how to calculate it? I know it must be simple. Rating: 5