如何计算Total Daily Energy
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Total daily energy expenditure (TDEE) estimates calories burned daily. Used for weight management and nutritional planning.
公式
TDEE = BMR × Activity factor
- BMR
- BMR value — Variable used in the calculation
分步指南
- 1Calculate BMR/RMR using Harris-Benedict or Mifflin-St Jeor formula
- 2Multiply by activity factor: 1.2 (sedentary) to 1.9 (very active)
- 3TDEE = BMR × Activity factor
例题解析
输入
70 kg, 175 cm, 40 yo male, moderate exercise
结果
BMR ≈ 1700, TDEE ≈ 2550 cal/day
For weight maintenance
常见错误注意事项
- ✕Over-estimating activity levels
- ✕Assuming TDEE is constant (it adapts to diet)
常见问题
Which formula is most accurate?
Mifflin-St Jeor is more accurate than Harris-Benedict for modern populations.
How does TDEE change with diet/exercise?
Severe caloric restriction reduces TDEE (adaptive thermogenesis). Exercise increases it.
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