TDEE & Macro Calculator
Calculate your Total Daily Energy Expenditure and ideal macronutrients for building a muscular physique, losing fat, or maintaining weight.
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The Ultimate Guide to TDEE & Calorie Tracking
Understand how to calculate your Total Daily Energy Expenditure, BMR, and how to optimize your macros to build a muscular physique or lose fat.
What is TDEE?
Total Daily Energy Expenditure (TDEE) is an estimation of how many calories you burn per day when exercise is taken into account. It is calculated by first figuring out your Basal Metabolic Rate (BMR)—the energy your body burns just staying alive at rest—and then multiplying that value by an activity multiplier.
Your TDEE represents your Maintenance Calories. If you eat exactly your TDEE, your weight will stay exactly the same. Knowing this number is the critical first step for any physical transformation.
The Science: Mifflin-St Jeor Equation
Our calculator uses the Mifflin-St Jeor equation, widely considered by health and fitness professionals to be the most accurate formula for calculating BMR.
For Men:
BMR = (10 × weight in kg) + (6.25 × height in cm) - (5 × age) + 5
For Women:
BMR = (10 × weight in kg) + (6.25 × height in cm) - (5 × age) - 161
Once BMR is found, we apply the Activity Multiplier (ranging from 1.2 for sedentary individuals to 1.9 for extreme athletes) to find your final TDEE.
Using TDEE for Muscle Gain (Bulking)
If your goal is building a muscular physique, eating at your maintenance calories is often not enough. Muscle synthesis requires excess energy. By selecting the Muscle Gain (Bulk) goal in our calculator, we automatically add a moderate 500-calorie surplus to your TDEE.
Coupled with the surplus, our macro calculator adjusts your diet to ensure high protein intake (crucial for muscle repair) while balancing fats for hormone regulation and carbs to fuel heavy lifting sessions.
Frequently Asked Questions (FAQ)
How accurate is this TDEE Calculator?
While the Mifflin-St Jeor equation is highly accurate for the average population, it is still an estimate. Variables like muscle mass, genetics, and non-exercise activity thermogenesis (NEAT) play a huge role. Use the number as a starting point, track your weight for two weeks, and adjust calories up or down based on your results.
What Activity Level should I choose?
Most people overestimate their activity level. If you work a desk job but lift weights for 1 hour a day, you are likely only "Lightly Active" or "Moderately Active." Choose lower to be safe if your goal is weight loss, and adjust accordingly.
How do the Macro Circular Charts work?
Our tool uses a balanced approach tailored to your chosen goal. For standard maintenance, it aims for roughly 30% Protein, 25% Fats, and 45% Carbohydrates. The circular gauges visually represent this calorie distribution. Remember, protein and carbs have 4 calories per gram, while fats have 9 calories per gram!