Heart Rate To Burn Fat

You should perform your cardio at anywhere from 75-85% of your Max heart rate. This is achieved by subtracting your age from 220 and then multiplying by .75-.85. This is your target heart rate for your cardio.

Weight loss is a matter of simple arithmetic: To shed pounds, you must burn more calories than you consume. And when it comes to burning calories, the greater the exertion, the greater the rate at which calories are burned.

Working out at about 60% to 75% of your maximum heart rate (the so-called "fat-burning zone") burns fewer calories than working out at 75% to 85% of your maximum heart rate (the so-called "aerobic" or "cardio" zone).

But caloric burn depends on a workout's duration as well as its intensity -- and it's easier to work out longer when exercising at a lower intensity.