Exercise Machine and MFP difference in calorie burn?

A friend of mine uses a HRM and told me to cut the burn the machine tells you in HALF! That sucks, doesn't it?

That's what she told me, I about fell over!! I don't know how true it is, but I have found her to be reliable when it comes to things like that.

Calorie burn depends upon several factors: height, weight, gender, age, and fitness level. Some machines ask you to input some of this info ... other machines use defaults.

You have 2 choices: Adjust MFP or machine numbers down to factor in the overstatement, or invest in a heart rate monitor (chest strap is most accurate).

i've found that MFP overestimates and the machines underestimate. this is just me personally, it's gonna vary with everyone depending on a lot of different factors -- your weight, height, age, how hard you exercise, resting heart rate, etc.... i resisted getting a HRM for a long time, and i finally found one on sale at wal-mart for $50 and it was worth EVERY penny. it's so valuable to know when precisely you're in your calorie-burning zone, and so motivational when you look at your little watch and it says you're 30 calories away from the next 100 mark, instead of quitting, you'll find yourself powering through to round up keep an eye on sales, and check ebay/amazon. it's an investment in your health! totally worth it in my humble opinion.