20 Best Free Online Daily Water Intake Calculator Websites

Here is a list of best free online daily water intake calculator websites. Water is the main source of hydration for our body. Lack of sufficient water intake can cause various issues like dehydration, weakness, lightheadedness, and more. To avoid all the issues caused by insufficient water intake, users need to regularly intake sufficient amounts of water and other fluids. To find out how much water your body needs in a day, check out these online daily water intake calculator websites.

These websites consider various parameters before calculating the daily water intake amount. Some of the parameters, these websites need for calculation are Body Weight, Height, Gender, and Exercise Intensity. Some of these websites also consider additional parameters for the calculation such as Urine Color, Duration of Exercise, Type of Exercise, etc. Plus, some calculators also explain the process they follow to calculate the water intake value. After the calculation, users usually get output value in Liters, Ounces, or number of cups units. To help out new users, I have also included the necessary conversion process in the description of each website.

These websites also offer additional online tools such as BMI Calculator, Cardiac Tools, Fitness Plans, Surgery Cost Calculator, and more. Go through the list to know more about these websites.

My Favorite Online Daily Water Intake Calculator Website:

camelbak.com is my favorite website as it can accurately calculate the daily water intake amount for different people. Plus, it considers both standard and advanced parameters to perform the calculation.

You can also check out lists of best free Online Lean Body Mass Calculator, Online FFMI Calculator, and Online APFT Calculator websites.

Comparison Table:

Features/Website Names	Uses Climate Type Parameter for Calculation	Also Uses Activity Intensity in Calculation	Uses Activity Duration in Calculation
camelbak.com	✓	✓	✓
medindia.net	✓	✓	x
gigacalculator.com	✓	✓	x
trifactanutrition.com	x	✓	x
thecalculator.co	x	✓	x
medicoverhospitals.in	x	x	x
calculator-online.net	✓	✓	x
omnicalculator.com	x	x	x
slenderkitchen.com	x	x	✓
icliniq.com	x	x	✓
drlogy.com	x	✓	x
daily-water-intake.com	✓	✓	x
boldsky.com	✓	✓	x
arithmeticcalculator.com	x	x	✓
visual-paradigm.com	x	x	x
goodcalculators.com	x	x	✓
fitnessvolt.com	x	x	✓
mealforyouu.com	✓	✓	x
medibank.com	x	x	x
bergfreunde.eu	✓ (Temperature)	✓	✓

camelbak.com

camelbak.com is a free online daily water intake calculator website. Using this website, users can calculate the amount of water a person needs in a day to stay hydrated. To do that, it requires some input parameters from users like Gender, Height, Weight, Age, Sweat Level, Activity Type, Intensity of Activity, Weather, etc. After performing the calculation, it shows the water intake amount in liters and ounces. Now, follow the below steps.

How to calculate daily water intake online using camelbak.com:

Start this website and Open up the Hydration Calculator.
After that, enter standard input values namely Gender, Height, Weight, and Age.
Now, move to the next page to specify your current hydration level by selecting the Urine Color and amount of sweat you produce typically.
Now, move to another page and specify the activity type, activity duration, and intensity of the activity.
Next, specify weather conditions and temperature.
Finally, click on the Next button one more time to view the calculated daily water intake amount.

Additional Features:

On this website, users can also purchase accessories related to Bikes, Hike, Run, and Snow.
This website also sells hydration bottles and reservoirs.

Final Thoughts:

It is one of the best free online daily water intake calculator websites that consider every important parameter while calculating the daily water intake amount.

Pros	Cons
Uses Weight, Gender, and Height parameters in the calculation
It even considers current hydration level, workout intensity, and weather conditions

Home Page

medindia.net

medindia.net is a free online daily water intake calculator website. Using this website, users can calculate the amount of water they should drink in a day based on their activity level. Besides activity level, this calculator also takes User Weight and Climate into account. This calculator also provides multiple interesting facts related to water. Now, follow the below steps.

How to calculate daily water intake online using medindia.net:

Start this website and access the Daily Water Intake Calculator.
After that, enter your weight (kg or pound), Activity (Sedentary, Light Activity, very Active, etc.).
Next, click on the Calculate button to view the amount of water you should drink in a day.

Additional Features;

This website also offers additional health Tools like Cardiac Tools, Clinical Tools, Conversion Tools, Diabetes Tools, Men’s Health, and Nutrition Utilities.

Final Thoughts:

It is a good online daily water intake calculator website through which users can find out their daily water intake quantity.

Pros	Cons
Can consider human weight in both KG and LB units	Doesn’t include Age, Gender, and Height in the calculation
Can also consider Climate type in the calculation

Home Page

gigacalculator.com

gigacalculator.com is another free online daily water intake calculator website. This hydration calculator helps users find out the optimum amount of water they should drink daily. To perform the calculation, it uses various parameters such as Age, Weight, Gender, Height, and Activity Level (Moderate, Sedentary, High, etc.). After the calculation, it shows the recommended water intake and intake through fluids amount. This website also explains the process of daily water intake calculation. Besides this, tables highlighting the percentage of water in different food are also provided. Now, follow the below steps.

How to calculate daily water intake online using gigacalculator.com:

Start this website and access the Daily water intake calculator.
After that, specify the Unit System (Imperial or Metric).
Next, enter your age, height, weight, and activity level values.
Finally, click on the Calculate button to view the calculated daily water intake amount.

Additional Features:

Calculators: It offers additional calculators that this website contains like Percentage Calculator, Interest Calculator, Loan Calculator, Fuel Cost Calculator, Tip Calculator, etc.
Converters: Through converters, users can perform Imperial to Metric, Percent to Fraction, Speed, Area, Shoe Size, etc., calculations.

Final Thoughts:

It is another good online daily water intake calculator website that offers all the tools to accurately calculate the daily water intake amount.

Pros	Cons
Can consider both Imperial and Metric measurement units
Can also consider Climate type in the calculation
Does include Age, Gender, and Height in the calculation

Home Page

trifactanutrition.com

trifactanutrition.com is another free online daily water intake calculator website. It is another good website that helps users calculate their daily water intake. Unlike other similar websites, it also considers your nutritional goal (lose fat, maintain weight, or gain muscle), Activity Level, and Cardio Level. Besides this, standard input values like Weight, Height, etc., are also included in the calculation. After the calculation, it sends the final result to the registered email addresses of users. Now, check out the below steps.

How to calculate daily water intake online using trifactanutrition.com:

Start this website and open up the Water Intake Calculator.
After that, enter height and weight values.
Now, press the next button and specify your nutrition goal.
Next, specify your activity and cardio levels.
Finally, enter your email address to get the final result in your email account.

Additional Features:

This website also comes with fitness and diet plans to help users achieve their fitness goals.

Final Thoughts:

It is another good online daily water intake calculator website that considers both activity and cardio levels to perform the calculation.

Pros	Cons
Can consider both activity and cardio level in the calculation	Sends the results to users’ email addresses instead of showing them directly
Also takes users’ nutritional goals into the calculation
Does include weight and Height in the calculation

Home Page

thecalculator.co

thecalculator.co is another free online daily water intake calculator website. This website offers a simple daily water intake calculator that takes Weight, Activity Level, and Age into account to perform the calculation. It also explains how this water intake calculator works. Plus, important examples explaining the calculation process are also provided. Now, follow the below steps.

How to calculate daily water intake online using thecalculator.co:

Visit this website using the given link.
After that, enter your weight, age, and activity level (sedentary, moderately active, active, highly active).
Next, click on the Calculate button to start the calculation process.
Finally view the water intake amount in ounces and liters.

Additional Features:

This website also comes with additional online tools Finance, health, Math, and Time, calculators.

Final Thoughts:

It is another good online daily water intake calculator that can quickly find out the daily water intake amount.

Pros	Cons
Can consider activity level in the calculation	Doesn’t consider climate type in the calculation
It also considers Age and Weight in the calculation

Home Page

medicoverhospitals.in

medicoverhospitals.in is another free online daily water intake calculator website. It is another good daily water intake calculator website that anyone can use with ease. To perform the calculation, users need to enter body weight and duration of workout per day. After performing the calculation, it shows the daily water intake in Cups, Ounces, Liters, and Pints units. Before starting the calculation process, users can also choose to switch between Imperial and Metric measurement units. Now, follow the below steps.

How to calculate daily water intake online using medicoverhospitals.in:

Visit this website and select either the Imperial or Metric unit.
Now, enter your body weight in kilograms and the duration of your workout per day.
Next, click on the Calculate button to view the calculated daily water intake amount.

Additional Features:

This website also comes with additional health calculators like Calorie Calculator, Body Mass Intex calculator, Surgery Cost, and more.

Final Thoughts:

This website offers a simple daily water intake calculator that only uses body weight and exercise duration to perform the calculation.

Pros	Cons
Can perform calculations using only Body Weight and Activity duration values	Doesn’t consider activity level in the calculation

Home Page

calculator-online.net

calculator-online.net is another free online daily water intake calculator website. This website not only calculates the daily water intake amount but also shows the benefits of hydration and shows the steps that it uses to perform the calculation. It also answers common questions related to daily water intake. To start the calculation, this website needs some input parameters namely Gender, Activity Level, Weight (lb or kg), and Weather. Now, check out the below steps.

How to calculate daily water intake online using calculator-online.net:

Start this website and access the Water Intake Calculator.
After that, enter your Gender, Weight, Activity Level (sedentary, Mild Activity, etc.), and Weather.
Next, click on the Calculate button to start the calculation process.
Finally, view the calculated water intake amount in the number of cups and liters.

Additional Features:

This website also offers some related online calculators such as BMI, RMR, TDEE, Weight Loss, Corrected Calcium, and more.

Final Thoughts:

It is a good online daily water intake calculator website that considers a variety of parameters in the calculation to achieve the correct result.

Pros	Cons
Does consider climate type in the calculation
Does consider activity level, gender, and weight in the calculation
Answers common questions related to water intake

Home Page

omnicalculator.com

omnicalculator.com is a popular online calculator website that can also be used as a daily water intake calculator. This website also highlights the process that it takes to calculate the daily water intake. Plus, multiple queries related to water intake are also answered. To perform the calculation, it needs two parameters Child or Adult and Gender (male or female.) In the case of a female, it also includes pregnancy and lactating parameters in the calculation. Now, follow the below steps.

How to calculate daily water intake online using omnicalculator.com:

Go to this website using the given link.
After that, select a Child or Adult for which you want to perform this calculation.
Next, specify Gender (Male or Female).
In the case of a Female also specify Pregnancy and Lactating status.
Finally, view the calculated daily water intake value in Liters and cups per day.

Additional Features:

This website also offers additional online tools covering Health, Maths, Finance, Physics, Construction, etc., fields.

Final Thoughts:

It is a unique online water intake calculator website as it only takes Child or Adult and Gender values to perform the calculation.

Pros	Cons
Only requires Child or Adult and Gender values as input
Answers common questions related to water intake

Home Page

slenderkitchen.com

slenderkitchen.com is another free online daily water intake calculator website. This website comes with a simple daily water intake calculator website that uses Body Weight and Duration of exercise in minutes. Besides this, it can take input values in both Imperial and Metric units. After the calculation, it provides the quantity of water in pounds, ounces, and liters. Now, follow the below steps.

How to calculate daily water intake online using slenderkitchen.com:

Start this website using the given link.
After that, select the Imperial or Metric unit.
Next, enter the body weight and duration of exercise per day.
Finally, click on the Calculate button to start the calculation process.

Additional Features:

On this website, users also get food recipes and their ingredients.

Final Thoughts:

It is another good daily water intake calculator website that anyone can use with ease.

Pros	Cons
Only requires body weight and daily exercise duration as input	Doesn’t consider climate type in the calculation

Home Page

icliniq.com

icliniq.com is another free online daily water intake calculator website. It is another capable online daily water intake calculator website that can estimate the amount of water one should drink in a day. To perform this calculation, it uses Weight and Daily Exercise Time. Users also get the option to change the measurement units of both weight (KG or Pound) and time (Minutes or Hours). Now, follow the below steps.

How to calculate daily water intake online using icliniq.com:

Start this website and access the Daily Water Intake Calculator.
After that, enter your weight and specify the measurement unit.
Next, enter the daily exercise duration in minutes or hours.
Finally, click on the Calculate button to start the calculation process.

Additional Features:

On this website, users also get additional health tools like Safe Days Calculator, Creatinine Clearance Calculator, Body Mass Index Calculator, and more.

Final Thoughts:

It is another good online daily water intake calculator website that offers all the essential calculation tools.

Pros	Cons
Only requires body weight and daily exercise duration as input	Doesn’t consider climate type in the calculation
	Doesn’t consider activity level in the calculation

Home Page

drlogy.com

drlogy.com is another free online daily water intake calculator website. This website helps users find out the minimum amount of water their body needs in a day. To do that, it uses users’ Weight, Gender, and Activity Level values. It also explains the steps of the calculation. Besides recommended water intake chart for different age groups is also available. Now, follow the below steps.

How to calculate daily water intake online using drlogy.com:

Visit this website using the available link.
After that, enter your Age, Gender, and Weight values.
Next, specify your lifestyle like sedentary, Active, Moderate, etc.
Finally, view the final water value in milliliters.

Additional Features;

Health Calculator: It offers useful health calculators such as BMI Calculator, Body Fat Calculator, Age Calculator, Blood Sugar Converter, Time to Death Calculator, and more.
Medical Calculator: It contains multiple medical calculators such as MELD Calculator, VLDL Cholesterol Calculator, NNT Calculator, and more.

Final Thoughts:

It is another good online daily water intake calculator website that anyone can use without much hassle.

Pros	Cons
Does consider activity level in the calculation	Doesn’t consider climate type in the calculation

Home Page

daily-water-intake.com

daily-water-intake.com is another free online daily water intake calculator website. This website considers Age, Height, Season, Gender, Weight, and Activity Level into consideration while calculating the amount of water a user need in a day without getting dehydrated. Plus, it supports both Metric and Standard measurement units. It also answers all the common questions related to daily water intake. Now, follow the below steps.

How to calculate daily water intake value online using daily-water-intake.com:

Start this website and select the Metric or Standard measurement unit.
Now, enter Age, Gender, Activity Level, Searon, etc., input values.
Finally, click on the Calculate button to view the calculated daily water intake amount.

Additional Features:

This website also comes with multiple health blogs related to sports drinks, electrolytes, vitamins for hydration, etc.

Final Thoughts:

It is another simple and effective online daily water intake calculator website that can accurately calculate the daily water intake amount.

Pros	Cons
Does consider activity level in the calculation
Does consider climate type in the calculation
It also considers season in water intake calculation

Home Page

boldsky.com

boldsky.com is another free online daily water intake calculator website. This website comes with multiple health calculators one of which is a daily water intake calculator. This calculator uses Body Weight, Exercise Time, and Environmental Conditions (extreme heat, normally warm, normally cool, etc.) values. After the calculation, it shows the output in liters and the number of glasses. Now, follow the below steps.

How to calculate daily water intake online boldsky.com:

Start this website and open up the Daily Water Intake calculator.
After that, enter body weight in lb or Kg.
Next, enter Exercise Time in minutes and specify the environmental conditions.
Finally, click on the Calculate button to view the amount of water you show drink in a day.

Additional Features:

This website also comes with additional online calculators like Heart Risk Calculator, BMI Calculator, Convert your height, etc.

Final Thoughts:

It is another good online daily water intake calculator that anyone can use to calculate daily water intake value.

Pros	Cons
Does consider Activity level in the calculation
It also considers environmental conditions in the calculation

Home Page

arithmeticcalculator.com

arithmeticcalculator.com is another free online daily water intake calculator website. As its name implies, it mainly offers arithmetic problem-solving calculators. To calculate the daily water intake, this calculator needs users’ body weight and duration of exercise per day in minutes. It also supports both Imperial and Metric unit systems.

This website also offers a water intake chart for different age groups. Plus, multiple examples highlighting the calculation process are also provided. Now, follow the below steps.

How to calculate daily water intake amount online using arithmeticcalculator.com:

Start this website and open up the Water intake Calculator.
After that, select either the Imperial or Metric unit system.
Now, enter body weight and workout duration values.
Finally, click on the Calculate button to start the calculation process.

Additional Features:

Calculators: It offers some additional calculators such as Long Subtraction Calculator, Long Multiplication Calculator, Percentile Calculator, etc.
Web Stories: It contains multiple web stories that users can read related to Education, Trending, Gadgets, Food, and Sports.

Final Thoughts:

It is another simple and effective online daily water intake calculator that anyone can use with ease.

Pros	Cons
Offers Intake chart for different age groups	Doesn’t consider activity level in the calculation
It also provides daily water intake calculation examples

Home Page

visual-paradigm.com

visual-paradigm.com is another free online daily water intake calculator website. This website comes with a simple Water Intake Calculator that helps users determine the amount of water they should drink daily. To do that, it only uses Age and Gender parameters. It can also calculate the daily water intake for pregnant women. It also explains the process of water intake calculation. Plus, common questions related to daily water intake are also answered by it. Now, follow the below steps.

How to calculate daily water intake online using visual-paradigm.com:

Start this website and open up the Water Intake Calculator.
After that, select the age and gender from the Please Select menu.
Now, view the daily water intake value in liters.

Additional Features:

This website also offers additional health calculators such as Hematology Calculators, Body Measurement Calculators, Metabolic Disorders calculators, Electrolytes and Fluids Calculators, and more.

Final Thoughts:

It is another good online daily water intake calculator website that anyone can use without much hassle.

Pros	Cons
Only uses Age and Gender to perform the calculation	Doesn’t consider activity level in the calculation
Explains the Calculation Process

Home Page

goodcalculators.com

goodcalculators.com is another free online daily water intake calculator website. On this website, users get a variety of calculators covering different fields including a Water Intake Calculator. This calculator can use Imperial and Metric measurement systems. To find out the daily water intake value, it uses Body Weight and Workout Duration. It also explains the water intake calculation process. A good set of common questions related to daily water intake are also answered by it. Now, follow the below steps.

How to calculate daily water intake online using goodcalculators.com:

Launch this website using the given link.
After that, select the measurement unit.
Now, enter body weight and exercise duration values.
Finally, click on the Calculate button to start the conversion process.

Additional Features:

This website also comes with additional online tools such as an Overtime calculator, Car Depreciation Calculator, Pay Raise Calculator, ratio Calculator, ACFT Calculator, etc.

Final Thoughts:

This website comes with a standard online daily water intake calculator through which users can quickly find out how much water they should drink daily.

Pros	Cons
Uses Body Weight and Exercise Duration to find out daily water intake	Doesn’t consider activity level in the calculation
Explains the Calculation Process

Home Page

fitnessvolt.com

fitnessvolt.com is another free online daily water intake calculator website. This website explains how much water a person should drink in a day and provides a simple daily water intake calculator. A water intake table highlighting the required water for people of different weight categories. Now, follow the below steps.

How to calculate daily water intake online using fitnessvolt.com:

Launch this website using the given link.
After that, select either the Imperial or Metric measuring system.
Now, enter your weight and exercise duration.
Finally, click on the Calculate button to start the calculation process.

Additional Features:

This website also offers information related to Bodybuilding, Powerlifting, Strong man, and Nutrition fields.

Final Thoughts:

It is another capable yet simple-to-use online daily water intake calculator that also offers content related to the fitness and nutrition industries.

Pros	Cons
Uses Body Weight and Exercise Duration to find out daily water intake	Doesn’t consider activity level in the calculation

Home Page

mealforyouu.com

mealforyouu.com is another free online daily water intake calculator website. This website offers a simple hydration calculator that only uses Age, Gender Weight, Height, Season, and Activity level parameters to accurately calculate the daily water intake. It also supports both metric and imperial measurement systems. Now, follow the below steps.

How to calculate daily water intake online using mealforyouu.com:

Go to this website and open up the Hydration Calculator.
After that, choose a measurement system from Metric and Imperial (Standard).
Next, enter your age, gender, height, weight, activity levels, and season (Winter, summer, etc.).
Finally, click on the Calculate button to start the calculation process.

Additional Features:

This website also offers additional Calorie and BMI Calculators for free.

Final Thoughts:

It is another straightforward daily water intake calculator that considers various important parameters before starting the calculation.

Pros	Cons
Uses Weight, Gender, and Height parameters in the calculation	Doesn’t offer any information related to hydration calculation
Can also consider Activity Type and Season parameters

Home Page

medibank.com

medibank.com is yet another free online daily water intake calculator website. This website comes with a simplistic version of a water intake calculator as it online uses Gender and Age to calculate the water intake requirements. Although, it can also consider Breastfeeding or Pregnant females in the calculation. Now, check out the below steps.

How to calculate daily water intake online using medibank.com:

Start this website using the provided link.
After that, enter your Gender and Age.
Now, select Neither, Pregnant, or Breastfeeding option.
Finally, view the calculated water intake amount in milliliters and number of glasses.

Additional Features:

This website also offers Insurance and Health Support plans for users.

Final Thoughts:

It is another good online daily water intake calculator that can adjust the calculation based on breastfeeding and pregnancy conditions.

Pros	Cons
Can consider Breastfeeding and Pregnant women in the calculation
Simple to use

Home Page

bergfreunde.eu

bergfreunde.eu is the last free online daily water intake calculator website. It is another good website that helps users find out the minimum amount of water they should drink daily. To do that, it uses standard parameters (height, and weight) as well as advanced parameters (temperature, sweat quantity, urine color, exercise duration, and intensity of exercise). After performing the calculation, it shows the total water intake amount in liters. Now, follow the below steps.

How to calculate daily water intake online using bergfreunde.eu:

Go to this website using the given link.
After that, enter all the input parameters such as height, temperature, color of urine, duration of exercise, etc.
Next, view the calculated daily water intake value in liters.

Additional Features:

This website also comes with additional online tools such as Climbing Grades Converter, Ape Index, Fall Factor, Hiking Time, Map Scale Converter, and more.