Use this scientifically-founded MyFitness calculator to accurately find out your personal Calorie Intake, BMR, and TDEE levels. BMR and TDEE can be used as a gauge on how much you need to eat. We use the most up-to-date data and formulations to ensure that this calculator is precise and accurate for your needs. These numbers can guide you on your diet and help you either gain, maintain, or lose weight.
Find your optimal weight using the MyFitness BMI Calculator.
This calculator can be used as a guide for your optimal Daily Caloric (Calorie) Intake. By plugging in your numbers, this calculator will give you a precise breakdown of how many calories you should eat to lose or gain weight.
For a more fine-tuned precise view of your daily Calorie number, make sure to input your body fat percentage.
Calculate your Basal Metabolic Rate (Calories burned by sitting around, your metabolism) and Total Daily Energy Expenditure (BMR + your activity level) for a granular look at your energy requirements:
Note: 1 foot = 12 inches, 1 meter = 100 centimeters. Use your height in inches/centimeters.
Sedentary or Light Activity - Little or No Exercise
Active or Moderately Active - Exercising One Hour Daily
Vigorously Active - Exercising Two Hours Daily
% Body Fat (optional):
Note: If the calculator is not working or giving unusual numbers, check that your input is only numbers and in the correct units (inches/centimeters & lbs/kg).