Question: how many calories does half an hour on treadmill burn?
Answer: A 125-pound person will burn about 495 calories running on the treadmill for half an hour at a fast speed of 10 mph. This works out to weight loss of about 2.25 ounces. For a 185-pound person the calorie burn is about 733 calories. This adds up to a weight loss in the area of 3.4 ounces.