Aquarium electricity cost calculator
Use watts from the equipment label, your schedule and your electricity rate. Heater use appears as a range.
For the example: $6.10–$9.70 in electricity. Each device and the year ↓
The heater is the big unknown
A thermostat cycles rather than drawing full power every hour. Label watts show the load when it is heating. The amount of time it runs depends on room temperature, your chosen water temperature, the lid, circulation and heat loss.
Leave the estimate as a range until you have a measurement. For a reliable personal figure, use a suitable electricity meter according to its instructions while keeping all connections dry. Do not use this calculator to size an outlet, extension cable or circuit.
Read the heater sizing guide · Work out the first-year cost →