BMI Calculator
Calculate Body Mass Index with metric or imperial units, category, and healthy weight range.
Calorie Calculator
Estimate maintenance, weight-loss, and weight-gain calories with macro suggestions.
Introduction
The calorie calculator estimates Total Daily Energy Expenditure (TDEE) from Mifflin–St Jeor BMR and activity level. It then suggests calorie targets for maintaining, losing, or gaining weight, plus a balanced macronutrient split for maintenance calories.
Benefits
- Goal-based calorie targets
- Protein, carb, and fat suggestions
Educational wellness tool only — not medical advice. Consult a qualified healthcare professional for personal decisions.
How It Works
- Enter sex, age, height, weight
- Choose activity level
- Review maintain / lose / gain targets and macros
Formula Used
TDEE = Mifflin BMR × activity factor
Examples
Example: Moderate activity with BMR 1,600 → maintenance near 2,480 kcal.
Frequently Asked Questions
How large should a deficit be?
About 500 kcal/day is a common sustainable starting point for gradual loss; individual needs vary.