Exercise calories??

melonmoo91

I have a fitbit but dont understand the extra calories you get for exercise! I have done the same amount of steps today as i did yesterday but have been given 400 more calories?? Yesterday i had 40 exercise calories today 440! I dont understand??

tinkerbellang83

Was there any change to the exercise - for example depending on the fitbit model you have it can determine that you were walking faster, climbed more stairs, walked more uphill or that your heart rate was higher.