Typical
calorie burn calculators, including those usually built into
treadmills, stair climbers, bikes, elliptical machines, etc., provide gross
calorie burn
estimates, but some calculators provide net
calorie burn
estimates.
After 30 minutes of running, at about 5.2 miles per hour, a
treadmill calorie burn calculator (one that provides gross
calorie burn
estimates) will show that you have burned about 250
calories.