RPM to MPH on stationary Bike!

Kelli S.
on 3/30/11 4:47 am - Kalamazoo, MI
So I was at the gym today and wasnt paying attention to the bike I was riding. I am trying to track calories burned and I dont recal how many MPH I was going but I was going at an RPM of 71-75. Is there a way to convert this? I tried to Google it and it is way over my head mathmatically!

THANKS

I am 27 years old, 5' and 3/4" tall. HW: 263 SW: 226 LW: 142 CW: 198

Paul C.
on 3/30/11 5:15 am - Cumming, GA
It probably depends on your resistance settings.  If you know your distance and time your could figure it out from there.
Paul C.
First 5K 9/27/20 46:32 - 11 weeks post op  (PR 28:55 8/15/11)
First 10K 7/04/2011 1:03      
      First 15K 9/18/2011 1:37
First Half Marathon 10/02/2011 2:27:44 (
PR 2:24:35)   
First Half Ironman 9/30/12 7:32:04
Kelli S.
on 3/30/11 5:20 am - Kalamazoo, MI
On March 30, 2011 at 12:15 PM Pacific Time, Paul C. wrote:
It probably depends on your resistance settings.  If you know your distance and time your could figure it out from there.
I was on a level 2 out of 10 on resistance. I went 5 miles over 20 minutes...

I think that sounds right.

I am 27 years old, 5' and 3/4" tall. HW: 263 SW: 226 LW: 142 CW: 198

mcarthur01
on 3/30/11 5:37 am - Cumming, GA
5 miles in 20 min is 15 MPH, paul is right, the RPM to MPH really depends on resistance.
Where are we going??  And why am I in this handbasket??

right now.  somewhere.  somebody is working harder than you.

Kelli S.
on 3/30/11 5:40 am - Kalamazoo, MI
Thanks! I appreciate the help. Next time I will change it from RPM to MPH on the machine so I can track it. Oh and it would help if I paid more attention to it! LOL

I am 27 years old, 5' and 3/4" tall. HW: 263 SW: 226 LW: 142 CW: 198

DANCBJAMMIN
on 3/30/11 12:37 pm - Fort Worth, TX
I would recommend, if your bikes have the option, to track your workout via watts or wattage versus RPM. An engine in a car in first gear at 4000 RPM is going WAYYYYYY slower than the same car in 5th gear at 2500 RPMs. I wouldnt worry too much about speed in an indoor setting anyways, just go workout based on RPE (Rate of percieved excersion) on a scale from 1-10. For good cardiovascular training 2-6 is your aerobic or fat burning zone, over that is anaerobic and can only be sustained for short periods of time (max 3 minutes) Try working in aerobic zones while incorporating some anaerobic bursts.
Your Friend In Health & Sport,

Dan Benintendi - OH Support Group Leader
www.trimywill.com 
www.swimfromobesity.com
www.trimywill.blogspot.com
Support Group: www.obesityhelp.com/group/Post_Op_PRs/


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