This calculator is helpful to work out how much you will spend running your grow light. It especially useful when comparing LED vs traditional (T5) fluorescent grow lights as it will show you how much you can save by switching to LED.
Simply update to values to reflect the power consumption of your light, how long you’ll be running it for and the cost of your electricity. The results of the calculation will be shown at the bottom.
Before rushing out to add growlights to your plants – are you sure they need more light? See our post on how to tell if your plants are not getting enough light to find out.