Calorie Calculator To Lose Weight In 3 Months Female

Calorie Equation:

\[ Calories = (10 \times weight + 6.25 \times height - 5 \times age - 161) \times activity\_factor - (weight\_loss\_kg \times 7700 / 90) \]

Weight:

Height:

Age:

years

Activity Factor:

Desired Weight Loss:

Recommended Daily Calories:

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1. What is This Calorie Calculator?

This calculator estimates the daily calorie intake needed for a female to lose a specific amount of weight in 3 months, based on the Mifflin-St Jeor equation adjusted for activity level and weight loss goals.

2. How Does the Calculator Work?

The calculator uses the following equation:

\[ Calories = (10 \times weight + 6.25 \times height - 5 \times age - 161) \times activity\_factor - (weight\_loss\_kg \times 7700 / 90) \]

Where:

\( weight \) — Body weight in kilograms
\( height \) — Height in centimeters
\( age \) — Age in years
\( activity\_factor \) — Multiplier for physical activity level
\( weight\_loss\_kg \) — Desired weight loss in kilograms
7700 — Calories per kilogram of body fat
90 — Days in 3 months

Explanation: The equation first calculates basal metabolic rate (BMR), adjusts for activity level, then subtracts the calorie deficit needed to achieve the desired weight loss in 3 months.

3. Importance of Calorie Calculation

Details: Accurate calorie calculation is crucial for healthy, sustainable weight loss. Too large a deficit can lead to muscle loss and metabolic slowdown, while too small may not produce visible results.

4. Using the Calculator

Tips: Enter your current weight in kg, height in cm, age in years, select your activity level, and specify how much weight you want to lose in 3 months. All values must be valid positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why is this calculator specific to females?
A: The equation includes a gender-specific constant (-161 for females vs +5 for males) based on differences in body composition.

Q2: Is losing weight in 3 months safe?
A: Generally, 0.5-1 kg per week (6-12 kg in 3 months) is considered safe. More rapid loss may require medical supervision.

Q3: Why 7700 kcal per kg?
A: This is the estimated energy contained in 1 kg of body fat, though actual composition may vary.

Q4: Should I eat exactly these calories?
A: This is an estimate. Individual variations in metabolism, body composition, and actual activity may require adjustment.

Q5: What if my weight loss stalls?
A: As you lose weight, your BMR decreases. Recalculate your needs every 4-6 weeks or if activity levels change significantly.