TDEE Equation for Girls:
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Total Daily Energy Expenditure (TDEE) represents the total number of calories a girl burns in a day, including basal metabolic rate (BMR) and calories burned through physical activity. It's calculated using the Mifflin-St Jeor equation specifically adjusted for female physiology.
The calculator uses the TDEE equation for girls:
Where:
Explanation: The equation first calculates Basal Metabolic Rate (BMR) using the Mifflin-St Jeor formula, then multiplies by an activity factor to account for daily physical activity levels.
Details: Knowing your TDEE is essential for weight management, whether your goal is weight loss, maintenance, or muscle gain. It helps determine appropriate calorie intake for your specific needs and activity level.
Tips: Enter accurate weight in kg, height in cm, age in years, and select the appropriate activity factor that best matches your weekly exercise routine and lifestyle.
Q1: Why is the equation different for girls?
A: The equation includes a specific constant (-161) that accounts for typically lower metabolic rates in females compared to males.
Q2: How accurate is this calculation?
A: The Mifflin-St Jeor equation is considered one of the most accurate BMR formulas, with accuracy around ±10% for most individuals.
Q3: When should I recalculate my TDEE?
A: Recalculate every 4-6 weeks, or whenever your weight changes significantly (±5kg) or your activity level changes substantially.
Q4: What if I'm pregnant or breastfeeding?
A: This calculator is not suitable for pregnant or breastfeeding women, as their energy requirements are significantly different.
Q5: How should I use my TDEE for weight loss?
A: For weight loss, consume 300-500 calories less than your TDEE; for weight gain, consume 300-500 calories more than your TDEE.