r/Polarfitness

Calorie burn estimation - flawed or am I messing up?

Hi there!

I just purchased a Polar Loop and have been using it for bouldering and sleep for the past weeks. Some days, I also wear it just to check heart rate in stressful situations.

The sleep tracking is great, and I also generally feel its comfortable to wear, both when working out, when climbing, and when sleeping.

Now, I am fully aware that the calorie burn rate is easily “confused” for high-burst exercise like bouldering, but I’m still confused by the estimates.

Effectively, the watch seems to believe that I burn almost 1000 kcal just from 1h of bouldering, which is probably 20-30 seconds on the wall, and then 3-5 min rest, where my pulse remains relatively high.

Furthermore, the watch seems to estimate a high calorie burn, even when I’m stationary. I wore it Wednesday when I was working from home, and it estimated almost 600 calories burnt, even though I was effectively stationary for the entire day.

I do have a suspicion that it’s because of my relatively high resting pulse of around 80bpm (I’ve struggled with cardio health and am bringing this down, but it’s still high), which is wrongly estimated by the watch as exercise.

What can I do to make this more accurate? I’m halfway considering disabling calorie tracking in Apple Fitness just because it’s so inaccurate that I’d probably rather not have it. I’ve tried updating firmware, with no changes.

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u/Varicz — 1 hour ago

Experience with Polar Loop

Hi there everyone! I just wanted to gather everyone’s thoughts and experiences regarding the polar loop, I’ve heard mixed experiences and thoughts with the loop’s tracking and accuracy, how has your experience been on it? has it made a big impact on your life? Do you keep it on all the time?

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u/Serious-Inspector154 — 9 hours ago

Distance reported wrongly

Hello everyone,

i have a Pacer Pro with the old Bluetooth strode sensor. today I went for a run to check the course of my next half marathon. the watch reported a distance of only 18km!

i have accurate gps measurements every 1s and I waited for a full gps look down before the start. i even had to calibrate the watch because I followed a GPS course.

i am very confident I actually run 21km and not only 18. what could have been??

how can I be sure this does not happen on race day?

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u/bergen7563 — 3 hours ago

Watch recommendation help please

hi everyone, am a 40 yo male getting in to fitness again, week 3. looking for a watch.

I'm hitting the gym 3 times a week and running 3 to 4 times - increasing to 5 next week. very out of shape, first run I couldn't continuously run 1klm by the 6th run in week two I ran a continuous 10klm which I was happy with, so some improvement there. extra weight doesn't help at around 186 and103/4kg.

I'm new to training but taking it seriously and also have registered for my first 10klm event in May.

I use an h10 (older model) which I really like, but with park runs etc I like not taking my phone with me.

I think I'd like to stay in the polar ecosystem. I think I'd really like the Vantage V3 at the moment but a touch out of my price range. I'd love to hear people's recommendations on what I should be considering. part of me is considering the polar pacer pro, but then I feel like if I'm spending that amount of money maybe I should just wait a month or two and get the vantage V3, but then I also feel that extra money could be out to use on other things to help my journey, event fees, shoes, nutrition... or not!

what's important to me is training assistance (as a noob), sleep tracking, seamless integration with the h10, decent battery would be nice but not necessarily essential, I would like GPS for my outdoor runs so I don't have to take my phone - unfortunately this cancels out the loop which I really wanted.

I'll be making fitness as a long term commitment as I'm looking to change career into the services, ideally I don't like the idea of waste and out growing or buying some new again inn6-12 months.

any and all advice appreciated, thanks fam

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u/AquaKahuna — 18 hours ago

Polar H10 calories burned variables/accuracy

Hey all, I am curious about how to get an accurate reading for my polar h10 calorie estimates. I’m not using these calories to determine how much I eat, but I want to have a decent idea of how much I’m burning in my workouts.

My last 2 boxing workouts had me burning 800-1100 calories which seems high? I am very overweight so I don’t know.

I am 5’9”, 250 pounds, I set my max heart rate to 220 because I reached 210 in this workout and I didn’t reach my max effort level.

Other than doing a full stress test workout to get a more accurate max heart rate, are there any other variables I can set in the app to get a good estimate here? And is there a way for me to tell what % of these calories burned are just my BMR during that period? Thank you!

u/mistanervous — 20 hours ago

Vantage V3 Running Performance Tests not seen in Polar Flow Web.

On 27Nov2026 I took the Maximal Running Performance test with the V3 and my H7 HRM. The results show in the watch, the android app, and in Polar Flow Web.

I've taken a Submaximal and another Maximal running test this month and they are seen in the watch and the android app but never make it to Polar Flow Web.

If I tell the test to update the my settings in Polar Flow, those do make it to the web version.

The Training session is there in the calendar but just shows a regular session. I've noticed some other odd behavior with the web version of Polar Flow that lead me to believe it's not being developed anymore or at least is behind what they are putting into the phone apps.

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u/Greg_WNY — 20 hours ago

Polar for XC Team

Hi! I don’t know much about polar, so any advice is appreciated. I have been coaching cross country for a few years now, and I’d love to get some sort of fitness tracker for my varsity squad so they can track their stats through the season.

Would polar pacers paired with the coaching flow app be a good solution? Any coaches out there use this setup?

Thank you!

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u/RustyTrunk — 23 hours ago
Week