Weight imputed into HRM

amandarawr06

So I have an odd question about the weight that is imputed into my HRM.

Awhile back my dog thought it would fun to steal my HRM and put a few bites into it. It still worked fine except for the "down" button. Which wasn't an issue because I could use the "up" button and it would eventually bring me back to the beginning - rendering the non-working down button un-needed.

I was playing with it this morning and decided to update the info that hasn't been updated in a long time (am 25lbs lighter than what it said I was). So I updated the time and day (which I used the up button until it reset back on the bottom), and then when I got to the weight option, I went up and up and up until it stopped at 439lbs. But it won't go higher, won't reset and now I can't go lower.

SO I guess my question is, will that weight actually affect the amount of calories burned? Does the weight that is imputed into the HRM actually change anything and is it significant?

amandarawr06

Edit: will that weight in the HRM affect the amount of calories that the HRM thinks I've burned?

hill8570

Probably. Most equations for converting heart rate to calories factor in weight. The higher weight will decrease your reported burn (in general, a heavier person will have a higher heart rate for the same calorie burn). If your HRM is using a typical algorithm, and assuming your actual weight is in the mid-100's, you're going to be getting shortchanged about 4 calories a minute. That's pretty significant.

ahoier

more than likely yes.......the hrm uses your age/date of birth, gender, and weight to determine what it believes to be the appropriate calorie burn for your body type......wow, just gotta say though, that's unfortunate! i picked up a cheapy chinese made, Crane brand HRM with chest strap for like 20 dollars at my local ALDI Market when they had them on a special buy, and mine goes up, and then scrolls back down and around to 1 lb........id consider reaching out to the device manufacturer? or perhaps pop the backing off, remove the battery for 10 minutes, then re-insert the battery and see if that "resets" the weight to a "normal" weight........cause yea......being set to 439 lbs......in a normal cardio session, that hrm will likely log a 700 calorie+ burn for you.......lol. that's one thing i noticed as i lost more weight.......my calorie burn has become a lot less than it was, when i was busting close to 300 lbs.......(now 179 ish......)

ahamm002

Yes, HRM's estimate calories burned by using equations that take into account data like age, weight, and type of activity performed.

amandarawr06

Thanks! Thats what I thought but I didn't want to send it away or buy a new one if it wasn't going to make a big difference!

amandarawr06

ahoier wrote: »

more than likely yes.......the hrm uses your age/date of birth, gender, and weight to determine what it believes to be the appropriate calorie burn for your body type......wow, just gotta say though, that's unfortunate! i picked up a cheapy chinese made, Crane brand HRM with chest strap for like 20 dollars at my local ALDI Market when they had them on a special buy, and mine goes up, and then scrolls back down and around to 1 lb........id consider reaching out to the device manufacturer? or perhaps pop the backing off, remove the battery for 10 minutes, then re-insert the battery and see if that "resets" the weight to a "normal" weight........cause yea......being set to 439 lbs......in a normal cardio session, that hrm will likely log a 700 calorie+ burn for you.......lol. that's one thing i noticed as i lost more weight.......my calorie burn has become a lot less than it was, when i was busting close to 300 lbs.......(now 179 ish......)

I tried letting it sit without the battery.. no luck! Maybe I'll leave it overnight and see what happens. I've noticed the decrease in my calorie burn too! Was way higher when I was 220+lbs! But I'd rather a lower burn and be my size than be the old me! Haha