How Much is 3 Liters Of Water in Ounces?

It is a well-known fact that water is crucial to your health.

The fact of the matter is, water makes up about 45-75% of body weight. It plays a vital role in good health, organ function, physical performance, weight management, and brain function. Upping your water intake can offer plenty of health benefits.

It’s vital that you become mindful when it comes to the amount of water that you drink every day because this is key to keeping yourself hydrated and enabling you to perform at your very best.

One recommendation by experts is to consume 3 liters of water each day in order for you to stay hydrated. Now, you may be wondering just how much water is 3 liters of water. Well, let’s break it down, shall we?

How Much is 3 Liters of Water?

How Much Is 3 Liters Of Water?

A liter is a unit of volume that is found in the metric system. It is defined basically as a volume of a cube that is 10 centimeters in each side.

3 liters of water at standard temperature and pressure or STP will weigh 3 kilograms. This means the 3 liters of water is equivalent to 6.6 pounds.

Water is typically measured in fluid ounces. So to get to how much is 3 liters of water, you need to know two things:

  • The ounce equivalent of 3 liters
  • How many ounces does your glass of water bottle holds

Also Read:How Many Bottles Of Water Fill A Gallon

The Conversion

One ounce is equivalent to 0.02957352965 liter. To convert oz to liter, this is what you will do:

Oz value x 0.02957352965 = 1 liter

Oz value / 33.8140226 = 1 liter

Here are some common conversions from fl oz to liters:

  • 8 ounces = 0.236 liter
  • 16 ounces = 0.473 liter
  • 24 ounces = 0.709 liter
  • 32 ounces = 0.946 liter
  • 64 ounces = 1.892 liter

Now, let’s go into what 3 liters mean when we think in terms of the amount of water to drink every day.

Glasses in 3 Liters

A liter of water is equivalent to around 33.8 ounces. A standard glass of water typically can hold around 8 ounces. That means a one-liter bottle holds around four 8-ounce glasses of h2o. Multiply that by 3, and you get 12 glasses of water for every 3 liters.

Water Bottles in 3 Liters

A standard water bottle holds about 16.9 oz of water. One 16.9 fl oz bottle contains around 500 mL of water. To get to 3 liters, you need to multiply that by six, which means that 6 16.9 fl oz bottles are equivalent to 3 liters.

If your glass or water bottle holds a different amount of fluid, you can refer to the conversion equation that was mentioned above! Easy as pie!

The Benefits Of Drinking 3 Liters (Or 100 Ounces) Of Water Each Day

The Benefits Of Drinking 3 Liters (Or 100 Ounces) Of Water Each Day

Are you wondering if drinking 3 liters of water each day will be good for you and just how much good it can actually do? Here are a few key reasons:

Also Read:- How Many Ounces In a Cup Of Water?

1. It Supports Your Overall Health

Staying well-hydrated is very important because water is needed for many bodily functions and processes. Hydration is essential and central to almost every aspect of wellness and health.

Keeping hydrated aids in regulating body temperature, transporting nutrients, maintaining brain function, and enhancing physical performance. Dehydration can be very detrimental and can lead to nausea, constipation, headaches, dizziness, and fatigue.

Drinking enough water will therefore help you maintain your overall health.

2. It May Help Boost Weight Loss

It May Help Boost Weight Loss
Image Credit:

Yes, you read that right. Upping your water intake may in fact help you lose weight because it promotes feelings of fullness and reduces appetite. Drinking water can also boost your metabolism temporarily, and this helps to increase the number of calories that you burn throughout the day.

3. It May Improve Your Skin Health

There are some researches that suggest drinking more water can actually help to keep your skin smooth and supple. Studies have shown that increasing your water intake can improve skin hydration and that higher fluid intake is linked to an increase in skin hydration and in skin surface pH.

Skin pH is said to play a vital role in maintaining the barrier of your skin, which can then influence your risk when it comes to certain skin conditions.

Also, studies show that increasing water intake can reduce roughness and dryness and increase the elasticity of your skin too.

4. It Can Increase Bowel Movement

Multiple studies have associated low water intake with a raised risk of constipation. So drinking more water promotes more regular bowel movements.

5. It Can Prevent Kidney Stones

It Can Prevent Kidney Stones
Image Credit:

Some studies have also tied a higher intake of fluid to a lower risk of developing kidney stones.

6. It Can Give Relief to Headaches

Dehydration or fluid loss can cause headaches. As such, drinking more water may be able to alleviate this and give you headache relief.

7. It Can Improve Moods

It Can Improve Moods
Image Credit:

Upping your water intake affects both brain function and your mood. What this means is that the more you stay hydrated, the better your moods can be – not to mention the fact that your mind will be sharper too!

8. It Can Enhance Athletic Ability

Dehydration can impair physical performance. If you replace the fluid you lose after engaging in physical activities; this can increase your endurance and decrease the DNA damage induced by exercise.

One Thing To Remember About Drinking 3 Liters

Drinking more water may aid your wellness and health. It is important to keep in mind, however, that even though experts say that 3 liters of water a day is ideal, that may not be the optimal choice for everyone.

The amount of water that you need can still vary based on many factors like age, activity level, and gender. There is a recommendation for total water intake for the general population that includes water that is consumed not just through water but through other foods and beverages as well. This recommendation is:

  • Around 2.7 liters or 91 ounces for women
  • Around 3.7 liters or 125 ounces for men

This will cover most adults’ needs. So depending on the other beverages and food, you take in each day and the amount of water they hold, you may not have to strictly consume 3 liters of plain water each day to meet your water intake needs.


One of the best and easiest ways to make sure you are staying hydrated is to listen to your body. If you feel thirsty, hydrate! Most individuals can meet their water intake requirements daily by drinking up whenever they feel thirsty.

Now that you know how much 3 liters of water is and how to convert it, you can better be able to ascertain how much water you take in daily and how much you need to drink each day to be able to say that you are staying hydrated on the regular.