Fit after 50 provides a number of free tools and calculators to help you determine everything from your basal metabolic rate (BMR) to your ideal weight, your daily caloric needs, body fat composition, and more. Each of those tools will help you understand your present healthy and fitness status, which is critical information that helps you determine your exercise needs for your individual needs and goals, whether that's increasing your strength or losing weight, so you can get yourself into your best Fit after 50 shape.
Fitness & Health Calculators
Fitness & Health Calculators
Nutrition Calculators









BMI Calculator
Enter your body weight and height to determine if you’re underweight, normal weight, overweight or obese.
BMR Calculator
Enter your body weight and height to determine the amount of calories your body needs to function properly.
Body Fat Calculator
Calculate your body composition by entering your measurements and leave the math to us.
Calorie Calculator
Knowing how many calories your body needs each day is helpful for managing your weight.
Calories Burned Calculator
Estimate the number of calories burned during certain activities, based on duration & distance.
Healthy Weight Calculator
Estimate the number of calories burned during certain activities based on either activity duration or distance.
Healthy Weight Calculator
Enter your body weight and height to determine your healthy body weight based on BMI.
Lean Body Mass Calculator
Use this calculator to estimate your lean body mass (LBM) based on body weight, height, gender, and age.
Pace Calculator
Use this calculator to estimate the pace for a variety of activities, including running, walking, and biking.
Nutrition Calculators





Carbohydrate Calculator
Use this calculator to estimate the percentage of carbohydrates you should consume each day.
Fat Intake Calculator
Use this calculator to estimate the amount of healthy dietary fats you should consume on a daily basis.
Macro Calculator
Use this calculator to estimate a range of suggested values for a your macronutrient and calorie needs under normal conditions.
Protein Calculator
Use this calculator to estimate the daily amount of dietary protein you require to remain healthy.
TDEE Calculator
Use this calculator to estimate your Total Daily Energy Expenditure (TDEE), which varies day by day.