Dishwasher vs Hand Washing Calculator

Compare water use, energy use, and cost for dishwashers and hand washing.

How often you run the dishwasher.
Older models use more water and energy.
Total time water runs while washing by hand.
Liters per minute while hand washing.
Your local electricity price.
Optional water cost estimate.
How we calculate

Dishwasher totals are based on water and energy per cycle. Hand washing totals are based on tap flow rate and daily washing time.