Please visit the following website to find out how many calories you are approximately burning during exercise:
http://www.healthdiscovery.net/links/calculators/calorie_calculator.htm
Type into the box your weight in pounds (lbs) and how long you are exercising for then click 'Compute Calories Burned'.
For Get Fit Boot Camps the time would be 45 minutes (Circuit Training).
1 stone = 14 pounds
1 kilogram (kg) = 2.2 pounds
For example:
10 stones = 140 pounds
60 kg = 132 pounds
It will work out according to your weight approximately how many calories you burn during all the different exercises that are listed. Circuit Training is on the right hand side 4 rows down under the Gym and Home Activities title.