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🚴🏼‍♀️ Spin class aficionados- how many cals burned?

Safari_Gal_Safari_Gal_ Posts: 156Member, Premium Member Posts: 156Member, Premium Member
Hi All!


I take a SoulCycle class 3-4 times a week. Over the years - I’ve logged 300 calories burned for a 45 min session or 400 for an hour long “survivor” session.. I don’t have a Fitbit. I’ll

Just wondering - how many calories burned do you log for spin class? Fitbit users? Non Fitbit users? I’ve read a bunch or articles and seen estimations between 400-800 calories for spinning... I tend to log low in case they are inaccurate.. I really just estimate..

Looking forward to your input! Thanks! 🤗
edited October 11

Replies

  • aokoyeaokoye Posts: 2,964Member Member Posts: 2,964Member Member
    Hi All!


    I take a SoulCycle class 3-4 times a week. Over the years - I’ve logged 300 calories burned for a 45 min session or 400 for an hour long “survivor” session.. I don’t have a Fitbit. I’ll

    Just wondering - how many calories burned do you log for spin class? Fitbit users? Non Fitbit users? I’ve read a bunch or articles and seen estimations between 400-800 calories for spinning... I tend to log low in case they are inaccurate.. I really just estimate..

    Looking forward to your input! Thanks! 🤗

    Do you know if the spin bike you're using has an output for average watts and do you have any indication as to whether or not the power meter on the bike (assuming it has one) is calibrated correctly (I'm assuming it would be given it's soulcycle but I could be wrong)? If so find out your average watts for the workout that you did and use the formula found here.
  • sarko15sarko15 Posts: 258Member Member Posts: 258Member Member
    I don't trust my Fitbit or MFP to be particularly accurate tbh. The only thing I trust to be accurate is a HR monitor, and I don't have one of those.

    However, I log them anyway and eat back half on normal days because I can be reasonably certain I burned half to three quarters of the amount it says. If it's a special occasion or I'm out to dinner the other half are what I call my "what the hell" calories. They're calories I may have or may not have, I can't be certain, so I only eat them back fully on special nights when I want to have the freedom of another beer or taco with no regrets. :)

    It's more for my sanity than science. Kind of like a cheat day/meal, if I believed in those. Only I get to have them every day if I felt like it.
  • Safari_Gal_Safari_Gal_ Posts: 156Member, Premium Member Posts: 156Member, Premium Member
    aokoye wrote: »

    Do you know if the spin bike you're using has an output for average watts and do you have any indication as to whether or not the power meter on the bike (assuming it has one) is calibrated correctly (I'm assuming it would be given it's soulcycle but I could be wrong)? If so find out your average watts for the workout that you did and use the formula found here.

    @aokoye - thank you- this was such a great help! I never knew that equation! Math for the win.
    Yep/ 2 studios I frequent have the digital Watts from bike sent to my phone app- I used the equation and wow! Now I have the equation burned into memory! 🙌🏻

    sarko15 wrote: »
    I don't trust my Fitbit or MFP to be particularly accurate tbh. The only thing I trust to be accurate is a HR monitor, and I don't have one of those.

    However, I log them anyway and eat back half on normal days because I can be reasonably certain I burned half to three quarters of the amount it says. If it's a special occasion or I'm out to dinner the other half are what I call my "what the hell" calories. They're calories I may have or may not have, I can't be certain, so I only eat them back fully on special nights when I want to have the freedom of another beer or taco with no regrets. :)

    It's more for my sanity than science. Kind of like a cheat day/meal, if I believed in those. Only I get to have them every day if I felt like it.

    @sarko15 - agree! The only real way is with a heart monitor....after doing the equation
    Watts x duration x 3.6 as a guide- I’m so glad I’ve been underestimating my exercise calories instead of plugging in the typical numbers I see either on MFP or from magazine articles, etc. when I went back over my classes that sends the watts to my phone app - on days I rode kinda slow when I was tired/ I burned about 400 exercise cals - on vigorous warrior days - I burned about 670. But no where near the 800-900 that some people say are burned. Or maybe I just need to cycle harder lol. The max wattage on the bike is 256 ... so maybe i do need to pick it up!! :)

    When I lift weights or go rowing - it’s hard to estimate— so I do something similar to you- I only eat back half my exercise cals just in case I’m overestimating my work!
    edited October 12
  • sijomialsijomial Posts: 15,378Member Member Posts: 15,378Member Member
    sarko15 wrote: »
    I don't trust my Fitbit or MFP to be particularly accurate tbh. The only thing I trust to be accurate is a HR monitor, and I don't have one of those.

    However, I log them anyway and eat back half on normal days because I can be reasonably certain I burned half to three quarters of the amount it says. If it's a special occasion or I'm out to dinner the other half are what I call my "what the hell" calories. They're calories I may have or may not have, I can't be certain, so I only eat them back fully on special nights when I want to have the freedom of another beer or taco with no regrets. :)

    It's more for my sanity than science. Kind of like a cheat day/meal, if I believed in those. Only I get to have them every day if I felt like it.
    @sarko15
    You are only missing the knowledge of what your heart beats are by not having a HRM.
    They are heart beat counters not calorie counters - there is no direct correlation between the two things. And for interval style training like a Spinning class their calorie guesstimates have every chance of being hopeless and exaggerated.
  • sijomialsijomial Posts: 15,378Member Member Posts: 15,378Member Member
    @Safari_Gal_

    Is your rowing indoors on a Concept2?
    They have a good calorie estimator on their website.
  • Safari_Gal_Safari_Gal_ Posts: 156Member, Premium Member Posts: 156Member, Premium Member
    sijomial wrote: »
    @Safari_Gal_

    Is your rowing indoors on a Concept2?
    They have a good calorie estimator on their website.

    Hi @sijomial ! When I row it’s typically outdoors every other weekend weather permitting. But - I’ve been hearing a lot about the concept2– I’m going to have to check that out. I believe they have them at my gym! Thanks! :)
  • aokoyeaokoye Posts: 2,964Member Member Posts: 2,964Member Member
    aokoye wrote: »

    Do you know if the spin bike you're using has an output for average watts and do you have any indication as to whether or not the power meter on the bike (assuming it has one) is calibrated correctly (I'm assuming it would be given it's soulcycle but I could be wrong)? If so find out your average watts for the workout that you did and use the formula found here.

    @aokoye - thank you- this was such a great help! I never knew that equation! Math for the win.
    Yep/ 2 studios I frequent have the digital Watts from bike sent to my phone app- I used the equation and wow! Now I have the equation burned into memory! 🙌🏻

    sarko15 wrote: »
    I don't trust my Fitbit or MFP to be particularly accurate tbh. The only thing I trust to be accurate is a HR monitor, and I don't have one of those.

    However, I log them anyway and eat back half on normal days because I can be reasonably certain I burned half to three quarters of the amount it says. If it's a special occasion or I'm out to dinner the other half are what I call my "what the hell" calories. They're calories I may have or may not have, I can't be certain, so I only eat them back fully on special nights when I want to have the freedom of another beer or taco with no regrets. :)

    It's more for my sanity than science. Kind of like a cheat day/meal, if I believed in those. Only I get to have them every day if I felt like it.

    @sarko15 - agree! The only real way is with a heart monitor....after doing the equation
    Watts x duration x 3.6 as a guide- I’m so glad I’ve been underestimating my exercise calories instead of plugging in the typical numbers I see either on MFP or from magazine articles, etc. when I went back over my classes that sends the watts to my phone app - on days I rode kinda slow when I was tired/ I burned about 400 exercise cals - on vigorous warrior days - I burned about 670. But no where near the 800-900 that some people say are burned. Or maybe I just need to cycle harder lol. The max wattage on the bike is 256 ... so maybe i do need to pick it up!! :)

    When I lift weights or go rowing - it’s hard to estimate— so I do something similar to you- I only eat back half my exercise cals just in case I’m overestimating my work!
    Glad I could be helpful. It's a very useful formula and there are a number of reputable companies aimed at cyclists and triathletes that use it (TrainingPeaks for example). And yeah, I track most of my outdoor rows on my Garmin and it isn't reliable for me in terms of calories burned, at least not with sweep. I suspect it's closer when I'm sculling (on the basis of RPE). I think @AnnPT77 has found the estimated calorie count to be close for her but I could be misremembering.
  • AnnPT77AnnPT77 Posts: 12,127Member Member Posts: 12,127Member Member
    aokoye wrote: »
    aokoye wrote: »

    Do you know if the spin bike you're using has an output for average watts and do you have any indication as to whether or not the power meter on the bike (assuming it has one) is calibrated correctly (I'm assuming it would be given it's soulcycle but I could be wrong)? If so find out your average watts for the workout that you did and use the formula found here.

    @aokoye - thank you- this was such a great help! I never knew that equation! Math for the win.
    Yep/ 2 studios I frequent have the digital Watts from bike sent to my phone app- I used the equation and wow! Now I have the equation burned into memory! 🙌🏻

    sarko15 wrote: »
    I don't trust my Fitbit or MFP to be particularly accurate tbh. The only thing I trust to be accurate is a HR monitor, and I don't have one of those.

    However, I log them anyway and eat back half on normal days because I can be reasonably certain I burned half to three quarters of the amount it says. If it's a special occasion or I'm out to dinner the other half are what I call my "what the hell" calories. They're calories I may have or may not have, I can't be certain, so I only eat them back fully on special nights when I want to have the freedom of another beer or taco with no regrets. :)

    It's more for my sanity than science. Kind of like a cheat day/meal, if I believed in those. Only I get to have them every day if I felt like it.

    @sarko15 - agree! The only real way is with a heart monitor....after doing the equation
    Watts x duration x 3.6 as a guide- I’m so glad I’ve been underestimating my exercise calories instead of plugging in the typical numbers I see either on MFP or from magazine articles, etc. when I went back over my classes that sends the watts to my phone app - on days I rode kinda slow when I was tired/ I burned about 400 exercise cals - on vigorous warrior days - I burned about 670. But no where near the 800-900 that some people say are burned. Or maybe I just need to cycle harder lol. The max wattage on the bike is 256 ... so maybe i do need to pick it up!! :)

    When I lift weights or go rowing - it’s hard to estimate— so I do something similar to you- I only eat back half my exercise cals just in case I’m overestimating my work!
    Glad I could be helpful. It's a very useful formula and there are a number of reputable companies aimed at cyclists and triathletes that use it (TrainingPeaks for example). And yeah, I track most of my outdoor rows on my Garmin and it isn't reliable for me in terms of calories burned, at least not with sweep. I suspect it's closer when I'm sculling (on the basis of RPE). I think @AnnPT77 has found the estimated calorie count to be close for her but I could be misremembering.

    Close enough to be useable in a "monitor for 4-6 weeks and adjust" context. :lol:

    Sijomial is right about HRM. But I use my Garmin's estimates when I don't have a better alternative, or a reason to think their estimate is crazy wrong. (The other common alternative - zero - is clearly wrong.)
  • HilTriHilTri Posts: 253Member, Premium Member Posts: 253Member, Premium Member
    I wear a Polar strap that syncs to my spin bike. I wear a Garmin Fenix. My average watts are between 225 and 275. Yesterday I did a spin class and rode for 68 min and burned 900 kcal. To record exercise calories, I usually take an average from the bike, my watch, and MPF under very vigorous cycling.
  • heybalesheybales Posts: 17,054Member Member Posts: 17,054Member Member
    aokoye wrote: »

    Do you know if the spin bike you're using has an output for average watts and do you have any indication as to whether or not the power meter on the bike (assuming it has one) is calibrated correctly (I'm assuming it would be given it's soulcycle but I could be wrong)? If so find out your average watts for the workout that you did and use the formula found here.

    @aokoye - thank you- this was such a great help! I never knew that equation! Math for the win.
    Yep/ 2 studios I frequent have the digital Watts from bike sent to my phone app- I used the equation and wow! Now I have the equation burned into memory! 🙌🏻

    sarko15 wrote: »
    I don't trust my Fitbit or MFP to be particularly accurate tbh. The only thing I trust to be accurate is a HR monitor, and I don't have one of those.

    However, I log them anyway and eat back half on normal days because I can be reasonably certain I burned half to three quarters of the amount it says. If it's a special occasion or I'm out to dinner the other half are what I call my "what the hell" calories. They're calories I may have or may not have, I can't be certain, so I only eat them back fully on special nights when I want to have the freedom of another beer or taco with no regrets. :)

    It's more for my sanity than science. Kind of like a cheat day/meal, if I believed in those. Only I get to have them every day if I felt like it.

    @sarko15 - agree! The only real way is with a heart monitor....after doing the equation
    Watts x duration x 3.6 as a guide- I’m so glad I’ve been underestimating my exercise calories instead of plugging in the typical numbers I see either on MFP or from magazine articles, etc. when I went back over my classes that sends the watts to my phone app - on days I rode kinda slow when I was tired/ I burned about 400 exercise cals - on vigorous warrior days - I burned about 670. But no where near the 800-900 that some people say are burned. Or maybe I just need to cycle harder lol. The max wattage on the bike is 256 ... so maybe i do need to pick it up!! :)

    When I lift weights or go rowing - it’s hard to estimate— so I do something similar to you- I only eat back half my exercise cals just in case I’m overestimating my work!

    To the above bolded - actually no that is not the only real way. Nor the best for a whole slew of workouts.

    It can be a best estimate for specific type of cardio workouts (steady-state same HR for 2-4 min in aerobic zone) with known caveats regarding increased stress (dehydrated, already worked out, tired, sore, long workout, ect) will increase the HR beyond what's needed for the workout - so not actually extra calorie burn as a HRM would give you.

    For bikes, and rowing mentioned - watt's is the way to go.

    For the lifting - just log as the Weights it is, which is correctly small, and enjoy them all.
  • heybalesheybales Posts: 17,054Member Member Posts: 17,054Member Member
    HilTri wrote: »
    I wear a Polar strap that syncs to my spin bike. I wear a Garmin Fenix. My average watts are between 225 and 275. Yesterday I did a spin class and rode for 68 min and burned 900 kcal. To record exercise calories, I usually take an average from the bike, my watch, and MPF under very vigorous cycling.

    If you are getting a Watts figure, read the prior replies and discover you don't need all the extra values.
    You have best accuracy one.
  • Safari_Gal_Safari_Gal_ Posts: 156Member, Premium Member Posts: 156Member, Premium Member
    Thanks everyone!! 🙌🏻🎉
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