How much water should you drink a day in a heatwave?

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Record temperatures have hit England, Scotland and Wales and pose a major health risk

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Drinking water allows your body to cool down through mechanisms like sweating (Picture: Getty Images)

So how much should you be drinking — and how do you find water near you?

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Here’s what you need to know.

Why do we need to drink water?

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Water is an important means of keeping the body hydrated.

For example, if you’re dehydrated, your body can’t regulate its temperature properly – which can be dangerous in hot weather.

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How much water should you drink in a day?

When we say an average glass or cup is 250ml, that means you should be drinking around 1.5 to two liters (2.6 to 3.5 pints) of fluid per day.

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These include low-fat milk, low-sugar or completely sugar-free drinks such as tea and coffee.

If you exercise or are in the middle of a heat wave, you need to increase your water intake as you are likely to lose more fluid than usual through sweat.

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There is no perfect science as to how much water you should drink under these circumstances.

Healthcare provider Bupa suggests weighing yourself in the morning before a workout and weighing yourself again later after your workout to see how much weight you’ve lost.

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By calculating the difference between the two numbers, you can see how much fluid you need to replace.

It is recommended to consume up to a liter and a half of fluids for every pound lost between cradles.

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You can do the same if you have been exposed to high temperatures for a long time.

Workplaces and schools are required by law to provide water as needed (Image: Adobe)

You will know to drink more if you have any or all of the following symptoms:

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  • feeling thirsty
  • Dark yellow and strong smelling urine
  • dizziness or lightheadedness
  • feeling tired
  • Dry mouth, lips and eyes
  • Urinate little and less than four times a day

How do you find water near you?

Most places that serve food and drink should be able to offer you a free glass of water if you ask for it.

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However, they may charge you for using the glass or for their service.

Schools and workplaces are required by law to provide water, or at least make it easily accessible.

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If you are traveling in a city, you can download the charge app Shows the shops in your area that offer, among other things, water bottles for refilling.

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