Bathtubs are handy to have at home, specially if you have small children.
Still, the water usage of a bathtub can be considerable so it is wise to get to know how much water does a bathtub hold and the water cost of filling up a bathtub
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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 just need to take some simple steps.
If you want to know how much water your bathtub is using, you just need to take some simple steps:
> 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.
Before moving ahead, and because one image is worth a thousand words, we recommend to watch this YouTube video where we explain how to read a water meter.
Once you know your bathtub water consumption, you can use the calculator below to estimate the 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.
To use the calculator you need to know how much you are paying for cubic meter, gallon or any other water measurement unit that it is used in your country.
If you don’t have this information, have a look to the information we provide below.
On your contract or water bill you should be able to find how much you are paying per every cubic meter or every gallon of water you use.
The water cost will depend on what country or city you live.
According to this water prizes survey article, the areas with the most expensive water are North America and Western Europe. While areas like South Asia, Middle East and North Africa have the cheapest water.
On to this other european cities water prize article, it can be appreciated the big prize difference between countries in Europe. From Italy with the cheapest water cost and 0.40 euro per cubic meter to Norway with the most expensive water at 5.51 euro per liter.
We know that not everyone uses liters so if you are from the US you can use this calculator to convert liters to US gallons.
Equally, if you are from the UK you can use this calculator to convert liters to UK gallons.
A few other examples from our ‘Water usage and water cost calculators‘ page that may be of your interest:
We have a page dedicated to explain how to save water at home.
As an example, see below a few examples and videos on how to use less water at home and save money.
If you are interested on learning how to reduce your bathroom’s water consumption, have a look this post on how to reduce your shower’s water usage by installing a flow reduction valve.
Additionally, you may want to have a look the the post where we review what is more efficient, washing the dishes by hand or using the dishwasher.
You may want also to have a look this YouTube video where we explain how much water does a tap aerator save and how to install a water saving tap aerator.
If you are looking for ideas to save water at home, have a look to this YouTube video were we show some useful tips to reduce the water usage at home and decrease the water bill.
Water conservation can be defined as the decision and the act of using less water
Water conservation both benefit you and the environment
The act of saving and conserving water does benefit you because you will be paying less on your water bills.
And it also does benefit the environment because conserving water prevents any unnecessary waste of natural resources.
Now, at individual level it may not look worth to try to save a few litres or gallons here or there.
Still, every little counts and if hundreds or thousands of us do save a little every time, it will make an important contribution towards conserving our natural resources.
If we could reduce our bathtubs water usage, even a very small amount, it would make a big impact on preserving our natural resources.
For example, if 9000 households would manage to save as little as 5 liters of water per day:
> Collectively, we would be saving over 16,000,000 liters of water per year!
> Collectively, assuming a cost of 2 euro per cubic meter of water, we would be saving nearly 33,000 euro per year!
Buying an energy effcient appliance or device is going to save electricity, water and decrease your energy and water bills, but at what prize?
Find out if you have paid a reasonable prize for that efficient device or appliance.
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