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MontyFranklyn
Alabama Fan
T-Town
Member since Jan 2012
22582 posts

Accuracy of workout trackers?
I have a Samsung Fit2. How accurate are these type watches in tracking calories burned? I know for sure they are precise on bpm.


Captain Crackysack
Member since Oct 2017
1511 posts

re: Accuracy of workout trackers?
I have a new gen garmin and I think they have gotten pretty damn accurate within the last year or two.


MontyFranklyn
Alabama Fan
T-Town
Member since Jan 2012
22582 posts

re: Accuracy of workout trackers?
It says I'm burning over 200 calories from just walking 30 minutes. That can't be right


Hulkklogan
LSU Fan
Baton Rouge, LA
Member since Oct 2010
40716 posts

re: Accuracy of workout trackers?
Notoriously inaccurate.


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bad93ex
US Navy Fan
The O-T
Member since Sep 2018
8855 posts

re: Accuracy of workout trackers?
quote:

It says I'm burning over 200 calories from just walking 30 minutes. That can't be right



Like someone else said, notoriously inaccurate. My Apple Watch showed that I burned 981 total calories during a 50 minute lifting session.


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12
Dixie Normus
New Orleans Saints Fan
Earth
Member since Sep 2013
1842 posts

re: Accuracy of workout trackers?
You could buy a dart board to estimate your calories burned in a set and it would probably be about as accurate.


DeafJam73
LSU Fan
Baton Rouge
Member since Sep 2010
16522 posts

re: Accuracy of workout trackers?
Is there any real way to calculate it?


Captain Crackysack
Member since Oct 2017
1511 posts

re: Accuracy of workout trackers?
Damn. Yeah that’s fricked. Idk though. My garmin forerunner seems about as on point as it can be.
This post was edited on 11/26 at 1:31 pm


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cssamerican
Member since Mar 2011
5688 posts

re: Accuracy of workout trackers?
Strava seems to over estimate on walking/jogging and under on cycling. 600 calories for a 3.5 mile jog, yet 300 calories for a 15 mile ride. The lactate burn from the cycling is so much more severe, I can’t imagine that being correct.


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10
Dixie Normus
New Orleans Saints Fan
Earth
Member since Sep 2013
1842 posts

re: Accuracy of workout trackers?
I’m sure someone smarter than me will find a way, but at the moment they seem to use heart rate as the estimator which is not really a good barometer as people from all sizes have varying heart rates.


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MontyFranklyn
Alabama Fan
T-Town
Member since Jan 2012
22582 posts

re: Accuracy of workout trackers?
They use my height and weight and heart rate, but that still seems like too much. I did a 20 minute leg press session yesterday, lifting 350, and it said I only burned 260 calories.


Ingeniero
LSU Fan
Baton Rouge
Member since Dec 2013
9856 posts

re: Accuracy of workout trackers?
quote:

It says I'm burning over 200 calories from just walking 30 minutes. That can't be right




I think the usual formula is 100 calories per mile, so a decently paced walk could hit that.


Dixie Normus
New Orleans Saints Fan
Earth
Member since Sep 2013
1842 posts

re: Accuracy of workout trackers?
Yeah, that’s par for the course. By no means do I think they’re bad nor would I encourage someone not to wear one. It’s actually the opposite because I think they at least give the average person a barometer to know that they are putting in some work and give them that satisfaction of “I’ve burned X...” But, they are inaccurate and that fact just is what it is
This post was edited on 11/27 at 2:17 pm


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tigergirl10
Member since Jul 2019
4660 posts

re: Accuracy of workout trackers?
quote:

says I'm burning over 200 calories from just walking 30 minutes. That can't be right
30 minutes of walking is about 320 calories. 1000 steps burns about 40 calories. It takes about 7-8 minutes to walk 1000 steps. I’ve been walking significant distances for years.


DeafJam73
LSU Fan
Baton Rouge
Member since Sep 2010
16522 posts

re: Accuracy of workout trackers?
How are those numbers calculated? What factors are included? Is that just your numbers or universal?


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Obtuse1
Wofford Fan
Westside Bodymore Yo
Member since Sep 2016
10660 posts
 Online 

re: Accuracy of workout trackers?
quote:

30 minutes of walking is about 320 calories.


Even at a 10-minute mile pace on flat ground, you would have to weigh about 280lbs to burn that much.

Fitness trackers are notoriously inaccurate as noted but downvoted.

I will give a concrete example:

For caloric burn on my bike I use downloaded data from a dual-sided power meter (Quarq) and a chest strap HRM (Wahoo TICKRX) this is about as accurate as you will get outside of a lab, the same level of equipment pro cyclists use.

On an average base mileage ride, I will ride ~22mph on flat ground for 30-40 miles with an average BPM of 145-150. Via the power meter, I will burn about 1050 Kcal per hour. The various wrist fitness trackers (Coros, Fitbit, Apple, Garmin) I have tried run between 20-40% over when compared on the same ride and show significant variations in heart rate. They do have fairly good precision so fine for comparative data but have poor accuracy.


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TigerGrl73
LSU Fan
Nola
Member since Jan 2004
20709 posts

re: Accuracy of workout trackers?
quote:

30 minutes of walking is about 320 calories

I wish. I don't burn that running for 30 minutes.


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TigerInCbus
LSU Fan
Raymond
Member since Feb 2018
63 posts

re: Accuracy of workout trackers?
I expect that from running, but walking I expect more like 75-80 cal per mile.


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TigerInCbus
LSU Fan
Raymond
Member since Feb 2018
63 posts

re: Accuracy of workout trackers?
This just seems wrong. I walk ~4500 steps on my morning walk (a little over 2 miles at about 18 minutes/mile), and I usually am only at about 150 cal from that.


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deaux
LSU Fan
Member since Oct 2018
11600 posts
 Online 

re: Accuracy of workout trackers?
Is the Whoop band supposed to be more accurate? I don’t even know if it’s counts calories burned though


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