http://www.weightlossforall.com/calculate%20cals.htm
摘要:
A fast and easy method to determine calorie needs is to use total current
body weight times a multiplier.
Fat loss = 12 - 13 calories per lb. of bodyweight
Maintenance (TDEE) = 15 - 16 calories per lb. of bodyweight
Weight gain: = 18 - 19 calories per lb. of bodyweight
It is well known that cutting calories too much slows down the metabolic
rate, decreases thyroid output and causes loss of lean mass, so the question
is how much of a defici