On average, a bathtub holds between 130 to 190 liters on water. That is around 80 gallons.
If you want to know how much water your bathtub is using, you need to :
– First make sure that nobody else is using water at home (e.g. tap water, washing machine,…)
– Record your meter reading water consumption value
– Fill up your bathtub (have a nice and relaxing bath… with lots of bubbles)
– Record your meter reading water consumption value again
– Substract the values
Note that most probably you will have two water meter readers at home, one for cold water and another one for hot water. You will need to record both meter reading values, before and after filling your bathtub.
If you need more information about what a water meter is or how to read a water meter, have a look to this post or the video below.
Once you know your bathtub water consumption, you can use the calculator below to water usage and water cost over a 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.
If you are interested on learning how to reduce your bathroom’s water consumption, have a look this post and this other video on how to reduce your shower’s water consumption by installing a flow reduction valve.
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