Calorie calculators can estimate your calorie needs ... many people are also trying to gain weight. Researchers looked at the weight gain attempts of more than 40,000 people from five countries ...

Counting calories ... gain over time. If you’re trying to lose weight, you will typically need to create a calorie deficit by eating less than your body burns off. You can use this calculator ...

If you’re trying to gain weight, eating enough calories on a consistent basis may be a challenge. One common strategy is to take advantage of liquid calories from protein shakes and smoothies.

When getting in shape, most people focus on either losing weight or gaining muscle ... or you can use an online calorie calculator. This one from Mayo Clinic uses the Mifflin-St. Jeor equation ...

Check out the pregnancy calorie calculator to know the exact amount of calories you need during each trimester of pregnancy so that you stay healthy during the period and that you have a healthy baby.