TDEE-kalkylator
Upptäck hur många kalorier du förbränner varje dag baserat på din aktivitetsnivå. Utgångspunkten för varje plan för fettförlust eller muskeluppbyggnad.
What Is TDEE and Why Does It Matter for Personal Trainers?
Total Daily Energy Expenditure (TDEE) represents the total number of calories your client burns in a day, combining their Basal Metabolic Rate (BMR) with the energy cost of physical activity and the thermic effect of food. For personal trainers, calculating an accurate TDEE is the foundation of every nutrition plan – whether the goal is fat loss, muscle gain, or maintenance. Without a reliable TDEE estimate, calorie targets become guesswork, and clients either plateau or lose trust in your programming.
How TDEE Is Calculated
This calculator uses the Mifflin-St Jeor equation to estimate BMR, which research has shown to be the most accurate predictive equation for most healthy adults. The BMR is then multiplied by an activity factor (ranging from 1.2 for sedentary individuals to 1.9 for extremely active ones) to estimate total daily expenditure. The activity multiplier accounts for structured exercise, non-exercise activity thermogenesis (NEAT), and the thermic effect of food.
Using TDEE in Client Programming
Once you have a client's estimated TDEE, you can set calorie targets based on their goals. A deficit of 300-500 calories below TDEE supports sustainable fat loss without muscle loss. A surplus of 200-400 calories above TDEE supports lean muscle gain. Maintenance calories equal TDEE and are useful during diet breaks or body recomposition phases. Remember that TDEE is an estimate – track actual results over 2-3 weeks and adjust based on weight trends, energy levels, and performance.
Common Mistakes When Using TDEE
The biggest error is overestimating activity level. Most clients who train 3-4 times per week and work desk jobs fall into the 'lightly active' category, not 'moderately active'. Another common mistake is treating TDEE as a fixed number – it changes as clients lose or gain weight, as their fitness improves, and as their daily habits shift. Re-calculate every 4-6 weeks or when progress stalls.
TDEE vs BMR: What's the Difference?
BMR is the energy your body needs to maintain basic life functions at rest – breathing, circulation, cell production. TDEE includes BMR plus all additional energy expenditure from movement and digestion. Never set a client's calorie target below their BMR, as this risks metabolic adaptation, muscle loss, and poor adherence. Use TDEE as the baseline and create moderate deficits from there.
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