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BMR Calculator — 免費線上計算機 | HomeCalcPro
BMR Calculator精準試算，提供行業標準公式與即時測算結果。
Parameters & Body Metrics
Health & Fitness Targets
Evidence-BasedEnter your parameters above to compute your target metrics.
Mifflin-St Jeor BMR Formula
Transparent mathematical methodology explained in plain English.
Men: BMR = (10 × W) + (6.25 × H) - (5 × A) + 5 | Women: BMR = (10 × W) + (6.25 × H) - (5 × A) - 161Estimates energy expenditure (kcal/day) required to maintain vital organ function at rest, where W is weight in kg, H is height in cm, and A is age in years.
Variables Explained:
- Weight (kg): Body weight.
- Height (cm): Stature height.
- Age (Years): Biological age in years.
30-Year-Old Male, 80 kg, 180 cm Tall
Calculating baseline BMR and sedentary TDEE.
- Apply formula: (10 × 80) + (6.25 × 180) - (5 × 30) + 5.
- Calculate: 800 + 1,125 - 150 + 5 = 1,780 kcal/day.
- Sedentary Maintenance (1.2x): 1,780 × 1.2 = 2,136 kcal/day.
常見問題解答 (FAQ): BMR Calculator
Click any question below to expand quick answers, formulas, and expert tips.
What is the difference between BMR and TDEE?
BMR is the energy burned at complete rest just staying alive. Total Daily Energy Expenditure (TDEE) adds the calories burned through daily movement, work, exercise, and food digestion (TEF).
Why is the Mifflin-St Jeor formula considered the most accurate?
Clinical studies show the Mifflin-St Jeor equation predicts resting metabolic rate within 10% of measured indirect calorimetry for over 82% of non-obese individuals.