
How Much Water Should A Person Drink in a Day
How much water should a person drink each day? Generally, the popular recommendation of 8 glasses of plain water a day is considered the answer to this simple question. However, you might be surprised to know that the amount of water needed to be drunk in a day varies for each person. We are all aware that staying hydrated is important, but still, most people don’t drink enough water.
From health conditions to activity level, several factors must be considered to understand your individual water needs. By understanding your daily water intake requirement, you can make sure your body gets enough fluids to stay healthy. Keep reading to learn how much water a person should drink daily, the benefits of hydration on overall health, and more.
Table of Contents
Key Health Benefits of Daily Water Intake
We are all aware that water is the main chemical component that contributes about 50% to 70% to our body weight. All the cells,and organs in our body require water to function well. This clearly shows how much living beings need water to stay alive. Here are the key benefits of daily water intake:
- Our kidneys and liver remove toxins and waste products from our body using water through urine and sweat. It balance our body’s temperature with sweat and breath.
- We know that water supports our digestive process by breaking down food, which improves nutrient absorption and protects us from constipation and other gastric issues.
- We can improve our memory retention power and focus with enough water intake. This also improves our stamina, helping us not feel tired during exercise or doing other physical activities.
- Another key benefit of knowing how much water to drink daily is that with proper water intake, you can have healthy and glowing skin. It keeps the skin cells hydrated and removes impurities.
- Those trying to lose weight can make their diet and exercise routine more effective for their body with proper water intake.
- Another key benefit of water intake is that it keeps your joints protected, as it acts as a natural lubricant and cushion for them.
- Only by knowing how much water should a person drink in a day and following this rule can you protect yourself from several health issues, like constipation, kidney stones, and UTIs.

How Much Water Should a Person Drink Daily?
According to several studies, healthy women and men need to drink 2.7 L and 3.7 L each day. However, the required daily water intake amount depends on various factors, like the climate in which a person is living, age, health conditions, and others. Each day, we lose water through breathing, sweating, urine, and bowel movements. To make sure all our body organs work properly, we must replace the water lost by consuming drinks and foods that provide hydration. We don’t only need to take plain water, as several other beverages and food items can also help us keep our bodies hydrated. Let’s learn about the factors that affect daily water intake amount:
1. Age: How much water to drink daily, the answer to this simple question is different based on a person’s age. You might have noticed that older people usually don’t feel thirsty; however, children and young adults consume more water.
2. Gender: As we discussed before, the daily water intake requirement for men is more than for women. The main reasons behind it are men’s larger build and higher muscle weight.
3. Physical Activity: Those who do any kind of physical activity that causes water loss due to sweating need to take a higher amount of water each day. You must replace the water lost to feel energized during a workout or any other physical activity.
4. Climate & Environment: We need to adjust our daily water intake requirement based on the environment we’re living in. If you live in a place with a hot and humid climate, water will be lost quickly from your body, which means you need to take more fluids.
5. Health Conditions: If you have a fever, vomiting, or any other general health issue, your body will demand more water on that particular day. Moreover, doctors recommend that people having kidney disease, diabetes, infections, and stones in the bladder and urinary tract must drink more water compared to a healthy person.
6. Other Reasons: Pregnant women and breastfeeding mothers have high water intake need than the general 2.7 L recommendation. If your diet includes fruits and vegetables, they will help you stay hydrated. However, if you take salt or sugar in high amounts, your water demand for that particular day increases.
Beyond Water: Other Ways to Stay Hydrated
Now that we understand how much water to drink daily depends on several factors, let us now understand if water is the only option to stay hydrated. The simple answer to this question is that no, we can keep our body hydrated from several other sources than plain water. You can include fluids, like coconut water, milk, fruit juice, herbal tea, and others in our diet, as they also provide water to our body cells.
Similarly, fruits, including oranges, watermelon, and grapes, are some very good sources of not only water but also important nutrients. You should eat vegetables like cucumbers, spinach, and others, as they have high water content, and contribute to your hydration. You must avoid sweet drinks, like sodas and sports drinks, as they have the least nutritional value and only add extra calories. You should also consume alcohol in limit, as it has several side effects, including dehydration.
Signs You’re Drinking Enough Water
Have you ever wondered how you know that your water drinking per day is accurate or not? Some clear signs that show you’re drinking enough water in a day are that your urine is clear or pale yellow, you don’t feel thirsty, and you don’t have a dry mouth. However, if your urine is dark yellow, it shows your body needs more water. If you consistently feel thirsty, this also means you need to take more fluid in a day. Some other signs, like difficulty focusing, lack of energy, mild headaches, and dry skin also show the fluid level in your body is low.
Helpful Tips to Stay Hydrated

Now that we learned how to know that your water drinking per day is right, let’s understand some tips that can help you stay hydrated.
- Always carry a reusable water bottle with you, and it will be better if it shows a mark to make you remember your daily water intake needs.
- Make a habit to drink water with meals, after using the bathroom, or after brushing your teeth. Also, whenever you wake up in the morning, drink a glass of water.
- If you don’t like drinking plain water, add fruits and vegetables with high water content to your diet.
- Keep a limit on sweet drinks, coffee, alcohol, and other beverages that speed up water loss from our body.
Hydration: Key to a Healthier You
Understanding how much water to drink daily and following this rule can help you achieve better health. Not only will you feel more energized, but it will also support digestion, make your skin look glowy, and protect you from health issues. You can consult a doctor to check the exact amount of water you need to drink each day. Staying hydrated doesn’t demand much effort, you just need to limit eating food and taking fluids that cause negative effects on your health. If you’re following or planning to follow a healthy water intake routine, you’re indeed investing in long-term wellness.
Also Read – Top 10 Hottest Place on Earth



