Calorie Calculation Formulas:
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This calculator helps women determine their daily calorie needs for weight loss by calculating Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and recommended calorie intake based on a specified deficit.
The calculator uses these formulas:
Where:
Explanation: The formulas account for basic metabolic needs (BMR), additional calories burned through activity (TDEE), and then subtracts a deficit for weight loss.
Details: Accurate calorie calculation is crucial for safe and effective weight loss, helping to create an appropriate deficit without extreme restriction.
Tips: Enter weight in kg, height in cm, age in years, select activity level, and specify your desired calorie deficit (typically 300-500 kcal/day for moderate weight loss).
Q1: What's a safe calorie deficit for weight loss?
A: A deficit of 300-500 kcal/day typically results in 0.25-0.5 kg weight loss per week, which is considered safe and sustainable.
Q2: How accurate is the BMR calculation?
A: The Mifflin-St Jeor equation used here is about 80% accurate for most people, but individual metabolism can vary.
Q3: Should I eat below my BMR?
A: Generally not recommended as it may slow metabolism. Aim to stay above BMR and create deficit through TDEE.
Q4: How often should I recalculate my needs?
A: Recalculate every 5-10 kg of weight loss or if your activity level changes significantly.
Q5: Is this calculator only for women?
A: Yes, this uses the female-specific BMR equation. Men should use a different calculator with +5 instead of -161 in the BMR formula.