How many calories should I eat a day to lose weight? It's a natural question to ask if you're chasing weight loss (and one we hear a lot). If it's on your mind, you're in the right place. Simply enter your details into our calorie calculator below, let the nutrition-math elves work their magic on the numbers, and poof! A daily calorie target just for you will emerge.

Your BMI, or body mass index, gives you a quick insight into one aspect of your health: how heavy you are compared to how tall you are. It's used as a rough way to assess body fat levels. While it's a simple, fast method that has some 'back of the napkin calculation' value, it also has some key flaws.

Is basal metabolic rate (BMR) the missing piece of your weight loss puzzle? Find your basal metabolic rate with our BMR calculator below and learn how to use this crucial metric to lose weight, get fit, eat healthily, and improve your well-being.

Our macro calculator is free, easy to use, and takes all the guesswork out of how much protein, carbs, and fat to eat to reach your goals. Whether you're on the muscle gain train or focused on fat loss, once you've calculated your personal macros with our calculator, you'll know exactly what to eat every day to make consistent progress toward your goals.