Water Intake Daily Calculator

Water Intake Calculator

Water Intake Daily Calculator

Water Intake Daily Calculator: The water intake calculator is a tool that will help you to determine how much water you need to drink per day.

However, the actual amount of water one needs depends on many factors such as illness, exercise, climate, and certain medical conditions.

A pregnant and breast feeding women should drink additional fluid to stay hydrated.

Water Intake Chart by Age and Weight

AgeWeightDaily Water Intake 
0-6 months7-15 lbs24-32 oz
6-12 months16-23 lbs32-40 oz
1-3 years24-35 lbs32-40 oz
4-8 years36-59 lbs40-64 oz
9-13 years (male)70-100 lbs64-88 oz
9-13 years (female)70-100 lbs56-80 oz
14-18 years (male)101-220 lbs88-128 oz
14-18 years (female)101-220 lbs64-104 oz
19 years and older (male)121-300+ lbs88-192 oz
19 years and older (female)121-300+ lbs64-160 oz

Why Do We Need to Drink Water Frequently?

Our body lose water constantly as part of the metabolic process. Water comes out of our body in the form of urine, sweat, so we need to drink water frequently to maintain a healthy body.

Our bodies are made up of up to 60% of water, therefore it is essential to drink adequate amount of water per day. The heart and brain are made up of 73% water, and the lungs are about 83% water.

The muscle and kidneys are composed of 79%, and skin is about 64% of water. So, in straight forward term, staying hydrated is key to a healthy body and optimal fitness performance.

How Do I Calculate My Daily Water Intake?

To calculate your daily water intake, just divided your weight by two, and drink ounces of water per day. For Example, If your weigh 150 pounds (68 Kg), and have a moderately active lifestyle, then the formula will be as following: (150 p x 0.5) = 90 ounces or 2.7 liter of water per day.

Or, you can use our water intake daily calculator for better result.

How Much Water Should I Drink Per Day?

As per recommendation, for male, you should drink 3 liters (100 ounces) water, and for female, you should drink 2.2 liters (77 ounces) water as this can help you to meet your hydration goals.

Daily Water Intake Chart by Weight

Body Weight (lbs)Water Intake (Ounces)
100 – 12067 – 80
120 – 14080 – 94
140 – 16094 – 107
160 – 180107 – 121
180 – 200121 – 134
200 – 220134 – 148
220 – 240148 – 161

How Much Water Should I Drink Based on My Weight?

As per the recommendation, you should drink about half of your body weight in ounces of water per day. For example, if your weight 160 pounds, then you should drink 107-121 ounces of water per day.