Water Heater Size Calculator

Find the right water heater gallon capacity for your home based on household size, shower habits, and appliance usage to ensure you never run out of hot water.

Number of People in Household Average Shower Duration Showers per Day (total household) Dishwasher? Washing Machine Laundry Loads per Day

gallon tank recommended

-Traditional tank option

-Tankless (on-demand) equivalent