Calorie Calculation Formulas:
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This calculator estimates the daily calorie intake needed for weight loss in women by calculating Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and applying a calorie deficit.
The calculator uses these formulas:
Where:
Explanation: BMR represents calories burned at rest, TDEE accounts for activity level, and the deficit creates weight loss.
Details: Accurate calorie calculation helps create sustainable weight loss (typically 0.5-1 kg/week) while maintaining energy levels and preventing metabolic slowdown.
Tips: For best results, measure weight in the morning after bathroom use, use actual height (not self-reported), and select the activity factor that best matches your weekly routine.
Q1: What's a safe calorie deficit?
A: 500 kcal/day deficit is typical for 0.5 kg/week loss. Never go below 1200 kcal/day without medical supervision.
Q2: Why is the formula different for women?
A: Women generally have higher body fat percentage and different hormonal profile, leading to slightly lower BMR than men of same weight.
Q3: How often should I recalculate?
A: Recalculate every 5-10 kg weight loss or if activity level changes significantly.
Q4: What if I'm not losing weight?
A: You may need to adjust your activity factor downward or deficit upward slightly, as these equations are estimates.
Q5: Should I eat back exercise calories?
A: Only if using "Sedentary" activity factor. Otherwise, exercise is already accounted for in your TDEE.