In addition to posting her weight, Kotb and the Today
show team have been sharing health tips all this week
. On Thursday's episode, nutritionist Joy Bauer shared that a simple way to calculate how many calories one should have in a day to lose weight is to come up with a goal weight and times that by 12. For example, if your goal weight is 140 pounds, times that by 12, and your daily calories would be 1,680.