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Apple Watch accuracy
Posted on 9/22/22 at 9:22 am
Posted on 9/22/22 at 9:22 am
I have had an Apple Watch for the past 5 years that I have mostly used to track my walks and workout sessions but I recently upgraded to the Series 7 which touts more health tracking features like blood oxygen levels. How accurate are these watches? Currently it shows that my resting energy is around 3k calories and active energy is 1.7k calories? This feels like it is a little inflated since I should be dropping considerable weight with that many calories being burned.
8
Posted on 9/22/22 at 9:30 am to bad93ex
are you sure it's not saying that your total calorie burned isn't 3k and BMR is 1.7k?
Posted on 9/22/22 at 9:45 am to TigerInCbus
quote:
are you sure it's not saying that your total calorie burned isn't 3k and BMR is 1.7k?
The description for resting energy is "estimate of the energy your body uses each day while minimally active" and active energy is "estimate of energy burned over and above your resting energy."
They're all estimates which may be the problem.
Posted on 9/22/22 at 10:19 am to bad93ex
I wonder the same thing on how accurate the heart rate monitoring is. It seems really flaky if there is sweat between the sensor and wrist. Probably ok if you're completely dry and sitting still.
Posted on 9/22/22 at 10:34 am to FieldEngineer
What does everyone use? I despise wearing an apple watch while lifting.
Posted on 9/22/22 at 11:11 am to bad93ex
How big of a baw are you? 1.7k active seems like a lot unless you are pushing hard for multiple hours a day. I typically run 2 to 3 miles in the morning and do an hour of CrossFit in the afternoon. I push it pretty hard and I’d say I average about 850 active calories a day.
Posted on 9/22/22 at 11:25 am to BigPerm30
quote:
1.7k active seems like a lot
That’s what I get on my 10 mile run days with my Apple Watch.
Posted on 9/22/22 at 11:27 am to BigPerm30
quote:
How big of a baw are you?
6'5" 271 lbs as of this morning
Posted on 9/22/22 at 11:35 am to bad93ex
quote:
6'5"
gross
This post was edited on 9/22/22 at 11:36 am
Posted on 9/22/22 at 12:27 pm to bad93ex
quote:
6'5" 271 lbs as of this morning
That might do it.
Posted on 9/22/22 at 12:34 pm to bad93ex
make sure your weight is entered correctly in the health app
Posted on 9/22/22 at 1:51 pm to Hu_Flung_Pu
quote:
make sure your weight is entered correctly in the health app
I had to switch to the "Weigh-In" app since MyFitnessPal went to "you have to pay for everything" mode but it is updated almost daily.
Posted on 9/22/22 at 2:16 pm to bad93ex
Heart rate monitors are more accurate but Apple Watches are accurate enough. That answer comes from me using it the last three years and also asking my doctor.
I wear my Apple Watch while lifting. It’s how I’ve had success.
On days where I work out, usually for around 60-70 minutes, I’ll burn 3,000 calories for the day and I sit at a desk all day. The workout will show 957 total calories and 809 active calories.
TDEE according to your measurements without knowing your age or job, puts you around 2,800 calories just to maintain your current body weight.
500 over or 500 under will help you achieve your goals.
Hope any of this helps
I wear my Apple Watch while lifting. It’s how I’ve had success.
On days where I work out, usually for around 60-70 minutes, I’ll burn 3,000 calories for the day and I sit at a desk all day. The workout will show 957 total calories and 809 active calories.
TDEE according to your measurements without knowing your age or job, puts you around 2,800 calories just to maintain your current body weight.
500 over or 500 under will help you achieve your goals.
Hope any of this helps
This post was edited on 9/23/22 at 6:10 am
Posted on 9/22/22 at 2:42 pm to bad93ex
Notoriously inaccurate on some measurements, but pretty well reproducible from one measurement to the next with regard to caloric expenditure. One can find numerous articles and citations detailing this.
Heart rate measurement is generally quite accurate as is SaO2 if the watch is making good contact. VO2 max is significantly over estimated as heart rate variability can generally be as well.
Use a formula to get an idea of what BMR/RMR making sure that you give an honest assessment of the questions in the calculator, or even better yet if you have access to it get BMR/RMR and VO2 max calculated (a university physiology dept. or exercise science lab often will look for subjects to accumulate data). You can then compare to what your watch is telling you.
TLDR: fitness devices almost always overestimate calories burned, do a good job with HR and Sa02, and poor job estimating V02 max. Apple watch is notoriously one of the best of the fitness trackers/monitors.
Heart rate measurement is generally quite accurate as is SaO2 if the watch is making good contact. VO2 max is significantly over estimated as heart rate variability can generally be as well.
Use a formula to get an idea of what BMR/RMR making sure that you give an honest assessment of the questions in the calculator, or even better yet if you have access to it get BMR/RMR and VO2 max calculated (a university physiology dept. or exercise science lab often will look for subjects to accumulate data). You can then compare to what your watch is telling you.
TLDR: fitness devices almost always overestimate calories burned, do a good job with HR and Sa02, and poor job estimating V02 max. Apple watch is notoriously one of the best of the fitness trackers/monitors.
Posted on 9/22/22 at 5:45 pm to BigPapiDoesItAgain
quote:
over estimated as heart rate variability can generally be as well
Mine says my HRV is low. Guess I’m fricked.
Posted on 9/22/22 at 8:05 pm to FieldEngineer
quote:
Mine says my HRV is low. Guess I’m fricked.
Generally you want the average HRV to be higher, with regards to HRV, higher (ie, more variability)is generally better. It is a proxy for sympathetic or parasympathetic tone. To greatly over simplify, lower HRV could imply higher sympathetic tone, which in a tonic state is not a good thing.
Posted on 9/22/22 at 8:23 pm to bad93ex
I sync my Apple Watch with the MapMyRun app and the workouts i create on there. It seems a lot more realistic with calories burned when compared to the workouts on the watch itself.
Ex: weights on the watch say i burn like 2000 calories during a 90 min workout. On the app, it’s about 900 calories.
Ex: weights on the watch say i burn like 2000 calories during a 90 min workout. On the app, it’s about 900 calories.
This post was edited on 9/22/22 at 8:25 pm
Posted on 9/22/22 at 8:59 pm to BeachDude022
quote:
weights on the watch say i burn like 2000 calories
A lifting session does seem to push the calories burned through the roof but walks seem to be more reasonable.
Posted on 9/22/22 at 9:04 pm to bad93ex
Different question, same topic.
I have one of the first iWatches, Series 1 or 2. On some of my most active days it tracks 5k steps. On days that I work from home I get 10k steps.
Are the new series better at tracking steps?
Watch is on my left hand, btw...
I have one of the first iWatches, Series 1 or 2. On some of my most active days it tracks 5k steps. On days that I work from home I get 10k steps.
Are the new series better at tracking steps?
Watch is on my left hand, btw...
Posted on 9/22/22 at 9:16 pm to Ice Cream Sammich
quote:
Are the new series better at tracking steps?
Yeah, just about everything is better with the newer series watches, battery life being the main thing for me. I can put it on the charger while I take a shower and it gets almost a full charge in that 20-30 minutes.
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