A.12st 11lbs (81.2kg) is equivalent to 49 average physics textbooks, 16 domestic cats, 11 men's shot puts, 4.5 microwave ovens or over 27 million ants.
A.1 stone is 14lb or 6.35kg & 1lb is 16oz. There are 2.2lb in a kg. 1oz is 28.35g. Jon Brower Minnoch (1941-83) was the heaviest person ever, at 100 stone.
Q.Which form of excercise burns the most calories?
A.Interval training burns the most calories - a combination of high & low intensity running / cycling in a single workout. Skipping's also a great workout.
Q.How do i loose two stone, in weight, in a week?
A.Unless you are already massively overweight, it is virtually impossible to lose 2 stone in a week. The recommended rate of weight loss is 2lb a week.