Reef calculator

Electric Bill Calculator

Add your equipment and your electric rate to see the monthly cost.

gal

How this works

Monthly kWh = watts × hours a day × 30.4 ÷ 1000. Heaters cycle, so enter the hours they are actually on: a few in summer, many more in winter.

Electric Bill

Questions

What uses the most power?

Usually lights and heaters. A warmer room or a lid can cut heater time a lot.

Are DC pumps cheaper to run?

Yes, often by a third or more for the same flow.

Rather have us dial it in?

Frags2Fishes service techs test, dose and maintain reef tanks across PA, MD, DE, NJ and VA, and beyond.