Everyday Health’s weight loss calculator can help you estimate your calorie needs for weight loss. Learn more about how many calories you need and how they are estimated.

Let's explore how to calculate your daily calorie intake to create a deficit, according to expert advice.

By inputting factors such as gender, weight, and diet, this simple hydration calculator determines if you’re drinking enough water.

Because we know the radius of the Earth, we can use the Law of Universal Gravitation to calculate the mass of the Earth in terms of the gravitational force on an object (its weight) at the Earth's ...

How to Calculate Your Protein Needs You can calculate your protein needs by starting with your goal weight and working backward.

You can easily estimate your basal metabolic rate using the Mifflin-St. Jeor equation — or by using our quick calculator. Here's how.

This was published 4 years ago How do airlines calculate passengers' weight? Tui airline's mistake puts spotlight on weighty issue ...