Grow Light Calculators for Indoor Edible Gardeners

We’ve built these simple grow light calculators to help you understand and make sense of your grow lights for indoor gardening. If you have any questions about how to use these tools, or would like us to add more, feel free to send us a message via the comments below. 

Grow Light Running costs

The calculator below can be used to calculate the annual running cost of your grow lights. To learn more about how to use this calculator, and see a worked example, refer to Grow Lights For Indoor Plants – How To Measure It, and Understanding Watts, PPF, PPFD and DLI

If you are located in the US and unsure what electricity price to use for your location, we recommend the US Energy Information Administration website.