Does Water Have Calories? Everything You Need to Know

Water is essential for life and plays a key role in keeping our bodies functioning. But have you ever wondered- does water have calories? In this guide, we'll explore the calorie content of water, the types of water that do contain calories, and the many health benefits of staying hydrated.

Water is a simple but vital substance, made up of two hydrogen atoms and one oxygen atom (H₂O). At room temperature, it's a colorless, odorless, and tasteless liquid that makes up over 60% of the human body. Despite its simplicity, water is critical for everything from digestion to temperature regulation.

A calorie is a unit of energy. In nutrition, it refers to the amount of energy your body gets from the food and drinks you consume.

1 small calorie (cal) = 4.184 joules

1 kilocalorie (kcal) = 1,000 small calories

Daily intake recommendations:

Adult men: 2,250–3,000 kcal/day

Adult women: 1,800–2,400 kcal/day

No, pure water does not contain calories. It has no fats, proteins, or carbohydrates of which are required to provide caloric energy. Therefore, drinking plain water will not contribute to your daily calorie intake.

While pure water has zero calories, some drinks that are marketed as water or water-based do contain calories due to added sugars, nutrients, or milk content.

1. Sugary Beverages

Fruit Juice Drinks (Not 100% Juice)

Many fruit drinks have added sugar. A 500ml bottle may contain 50–70g of sugar, which equals 200–280 kcal.

Sports Drinks

These beverages are designed to replenish electrolytes and carbohydrates lost during exercise. A 600ml drink with 6% sugar has around 144 kcal.

Soft Drinks (Cola, etc.)

A 500ml bottle of soda typically contains over 200 kcal, mostly from high-fructose corn syrup or sucrose.

2. Functional or Enhanced Water

Some waters are infused with vitamins, minerals, or sweeteners like honey or glucose. Even small amounts of these additives can increase the calorie content. For example, honey contains about 3 kcal per gram.

3. Milk-Based and Plant-Based "Waters"

Milk

Contains 60–70 kcal per 100ml, thanks to protein, fat, and lactose.

Coconut Milk

Rich in fats, it packs 240–250 kcal per 100ml-significantly more than other beverages.

Staying hydrated has a wide range of health benefits, supported by science. A 2024 study published in the Journal of the American Medical Association revealed that drinking more water can:

• Reduce the recurrence of kidney stones
• Support weight loss
• Relieve migraines
• Control blood sugar levels
• Lower the risk of urinary tract infections (UTIs)
• Prevent low blood pressure

1. Cold and Flu Relief

Water replenishes fluids lost from sweating or fever, soothes sore throats, and helps clear mucus.

2. Constipation

Water softens stool and helps maintain regular bowel movements.

3. Gout

Water helps flush uric acid from the body, reducing the risk of kidney stones and further damage.

4. Kidney Stones

Drinking enough water flushes the urinary tract and prevents stone formation.

5. Poor Circulation

Warm water promotes blood flow and may help prevent heart issues like stroke or heart attacks.

6. Menstrual Pain

Drinking hot water can reduce abdominal cramps and discomfort.

7. Weight Loss

Water before meals increases satiety and reduces calorie intake, making it a powerful tool for healthy weight management.

1. Don't Wait Until You're Thirsty

Thirst is a sign that you're already dehydrated. Stay ahead by sipping water regularly throughout the day.

2. Drink Water at 35°C–40°C

This is closest to body temperature and is the most comfortable for your digestive system.

3. Sip Slowly, Not in Big Gulps

Drink water in small amounts multiple times a day- 200ml per sitting is ideal.

4. Avoid Replacing Water with Sugary Drinks

Soft drinks may be tempting, but they add unnecessary calories and increase the risk of obesity and dental problems.

5. Limit Ice-Cold Water

Cold water can constrict arteries and is especially risky for people with heart conditions. Opt for room temperature or slightly warm water instead.

Does water have calories?

Not, if it's pure H₂O.

But be cautious of flavored, functional, or dairy-based waters, as these can contain significant amounts of sugar and calories. Regular water is the healthiest, most calorie-free drink you can consume.

Our CE-certified boiling water taps let you dispense warm, filtered water instantly, make sure to drink 6–8 glasses of water daily, avoid sugary drinks, and choose the right temperature for your body.