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How much water does a bath use?

How much water does a bath use?

By Benjamin Clarke | Published on 5th April 2022

How humans impact the environment is an increasingly important factor when people make decisions in their everyday lives. In years gone by, many people would not have thought about how much water they were using when they had a bath, other than whether there would be enough hot water for it to be enjoyable. But in these days of environmental awareness and high energy bills, more and more of us are wanting to know how our habits and behaviours affects the environment, and this can include something as seemingly small as how much water we use in a bath.

The average UK bath

In the UK, the most common bath tub size is 1700mm x 700mm x 545mm and needs approximately 180 litres of water in it to provide a satisfying bath that submerges your body.

Just to put that in perspective, if you were to go to the supermarket and go to the bottled water section, you would need to buy a 6 pack of 2 litre bottles 30 times to get the equivalent amount of liquid.

The average UK shower

The Centres for Disease Control and Prevention recommends that the optimum time for a shower should be 8 minutes. The average shower head uses around 12 litres of water per minute. Therefore an 8 minute shower will use approximately 96 litres of water - significantly less than a bath.

Water saving tips

A handheld shower

Obviously, having a short shower is a great way of reducing your water usage, but this doesn't mean you have to give up having baths altogether. Limiting a soak in the tub to once every 2 - 4 weeks will gives you something to look forward to and can be a fantastic way of rewarding yourself after doing something positive, like starting a new hobby or going to the gym a few weeks in a row.

There are also other things you can do in your bathroom that will help you save water so that you don't feel as guilty when you do have a bath.

Turning the tap off when you brush your teeth is an easy way to save water. Limiting your shower time to 5 minutes will be great for reducing water usage and will help to reduce your central heating bills.

An important thing you could do is to replace an old toilet system with a new, modern one. Most new water cisterns have a dual flush whereby you can choose between giving your toilet a half or full flush, depending on requirements. There are many occasions when a full flush is simply a waste of water, so having a cistern that offers a less water intensive flush is a great way of keeping water the water you use in your bathroom to a minimum.

Low water content baths

A bath and shower with shower screen

It is possible to reduce the amount of water you use in a bath without changing your habits and installing a low water content bath While these types of bath look like a standard bath to the naked eye, they are actually cleverly designed so that the main tub holds less water than a traditional bath - usually about 130 litres.

This result is achieved by the baths being slightly shallower and having a deep angle at the back than a typical bath tub. This helps to bring the volume of water down without the bath looking much different to a traditional model.

At Luna Spas, we have several low water content luxury whirlpool baths. These give you the option of having a stunning spa bath but without the feeling that you're using too much water!

View low water content baths

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