Want to know the number of calories you should eat to lose weight? We’ve made it easy. Just click the “Get Started” button below and enter your information. (Plus, once we calculate your calorie and macronutrient needs, we’ll send you a free, personalized nutrition plan for achieving the results you want.) Weight Loss Calculator How much should you eat? Let’s find out. Get started © Precision Nutrition Why This Weight Loss Calculator Is Special One of the most common questions Precision Nutrition certified nutrition coaches get from their new clients: “I’ve been tracking my calories in and calories out religiously… but I’m not losing as much body fat as I…