- How much water does a dishwasher use -

The new dishwasher models are quite efficient and use quite a low amount of water. 

Still, in case of doubts or if you are considering to purchase a new dishwasher, it is worth to find out the water usage and the water cost.

Dishwasher water usage

There are two ways to find out a dishwasher water consumption.

The first one it is to browse on the internet for the dishwasher specifications. It is a simple as to use your favorite browser to search for the dishwasher model followed by ‘specifications’ or ‘ water consumption’.

Dishwasher specifications search

The second way is to take the water meter readings before and after a dishwasher cycle. If you are not sure how to do it, below we are sharing details about how to read a water meter and what a cubic meter of water is.

Water usage and cost calculator

The calculator below can be used to calculate the dishwasher water cost per cycle and per year.

You just need to adjust the values in the PARAMETERS section to your requirements and the calculator will automatically display the RESULTS section.


We know that not everyone uses liters so if you are from the US or UK you can have a look to our water consumption calculators page for calculators that will convert liters to you water units.

Convert liters to US gallons


Convert liters to UK gallons


Additional information

We have created some posts and a video to explain what a cubic meter of water is and how to read a water meter. If you are not familiar with the terms or you have doubts, have a look to this information.

All our videos can be found in YouTube, in both English and Spanish languages.

Additionally, you may want to have a look the the post where we review what is more efficient, if washing the dishes by hand or using the dishwasher.

We hope that you found the information on this page informative and of value. 

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