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Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

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Old 08-10-07, 11:17 AM   #1
pjrocco
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Calorie Calculator

I think I seen it before, but I'm not sure. I'm trying to figure out how many calories I'm burning while I ride. I have one of those digital ones, but I don't think it's accurate. I can bike 10 miles at moderate speed the whole time and only burn 160 calories.

I'm 5' 6" 171 (small frame), so I need to lose about 20 pounds. I know I need to give up beer, but it's a working process.
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Old 08-10-07, 11:22 AM   #2
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http://www.kreuzotter.de/english/espeed.htm
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Old 08-10-07, 11:40 AM   #3
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Wow, so in my 10 mile rides I only burn 360 calories...
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Old 08-10-07, 11:51 AM   #4
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Wow, so in my 10 mile rides I only burn 360 calories...
Im not sure what is right. I use the 40~100 calories per mile rule of thumb. I don't take into effect hill climbs because I have to start and stop at the same place, so what goes up must come down. Riding a road bike on road with slick tires might be even lower then 40 calories. However, I usually use the number 50 calories per mile. That takes into account my less then stellar health as well as my heavy mountain bike and knobby tires.
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Old 08-10-07, 12:04 PM   #5
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But for 50 calories per mile you need to put some serious effort into pedaling or be climbing a significant hill.
If your legs don't hurt at least a bit and you're just sweating a little you have not put in a serious effort.
For my 20 mile rides at 17mph avg I normally calculate about 850 cal. And I'm absolutely drenched in sweat when I get home.
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Old 08-10-07, 12:12 PM   #6
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But for 50 calories per mile you need to put some serious effort into pedaling or be climbing a significant hill.
If your legs don't hurt at least a bit and you're just sweating a little you have not put in a serious effort.
For my 20 mile rides at 17mph avg I normally calculate about 850 cal. And I'm absolutely drenched in sweat when I get home.
remember that I am talking about a 30 pound mountain bike with knobby tires. Not a 15 pound road bike on slicks. I am usually averaging about 13~14 mph. at that time...

also sweat isn't a measure of calories burned, just a measure of how much water you lost.
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Old 08-10-07, 12:31 PM   #7
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My commute burns about 500 in 26 minutes, but it's a beast. My average power output (according to that site) is 335 watts. Seems to fall right in line with what my heart rate monitor calulates.

So yes, destroy yourself, and you too can burn lots of calories...
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Old 08-10-07, 12:39 PM   #8
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remember that I am talking about a 30 pound mountain bike with knobby tires. Not a 15 pound road bike on slicks. I am usually averaging about 13~14 mph. at that time...

also sweat isn't a measure of calories burned, just a measure of how much water you lost.
+1

Without a doubt a mountain bike probably burns more calories. However, this is one thing I've very unscientifically seen, my heart rate sees a better range on the roadie than it does on the MTB. On the MTB my average is 152-156 (I know, I know..) with the highest being around 177.

On the roadie, my average is 148 with a max being 182. Same route, although I did see it fit to chase a full-kit Cannondale rider that day. But I've done several rides, and that seems to be about on par.

From what I've observed, this seems to indicate that on the roadie I'm doing a good job of staying in the 70-ish percentage of my max HR, with some really nice controlled bursts up near that 100% (my max HR seems to be right about 185, I simply can't push beyond that). The overall average indicates that even with the pushes, I'm doing a great job of nto pushing hard overall.

On the MTB, I'm always in the red zone, it seems like. If I wasn't, I'd be going to slow, and be bored. But it also shows something telling, with my max being 177 (four different rides) it shows that I'm pushing too hard consistently to burst as hard when I need/want to. And I definitely can feel it. If I want to attack a hill, I run out of attack much sooner than I do on the roadie.

Whoa, long tangent there, but you get the idea. Overall it seems that, according to my HRM, I'm burning more calories on the MTB than I am on the roadie because I'm in the "red zone" much longer. Crazy stuff >
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Old 08-10-07, 01:18 PM   #9
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+1

Without a doubt a mountain bike probably burns more calories. However, this is one thing I've very unscientifically seen, my heart rate sees a better range on the roadie than it does on the MTB. On the MTB my average is 152-156 (I know, I know..) with the highest being around 177.

On the roadie, my average is 148 with a max being 182. Same route, although I did see it fit to chase a full-kit Cannondale rider that day. But I've done several rides, and that seems to be about on par.

From what I've observed, this seems to indicate that on the roadie I'm doing a good job of staying in the 70-ish percentage of my max HR, with some really nice controlled bursts up near that 100% (my max HR seems to be right about 185, I simply can't push beyond that). The overall average indicates that even with the pushes, I'm doing a great job of nto pushing hard overall.

On the MTB, I'm always in the red zone, it seems like. If I wasn't, I'd be going to slow, and be bored. But it also shows something telling, with my max being 177 (four different rides) it shows that I'm pushing too hard consistently to burst as hard when I need/want to. And I definitely can feel it. If I want to attack a hill, I run out of attack much sooner than I do on the roadie.

Whoa, long tangent there, but you get the idea. Overall it seems that, according to my HRM, I'm burning more calories on the MTB than I am on the roadie because I'm in the "red zone" much longer. Crazy stuff >
my fiancee has a beat up murray thats probably 10 years old. When we ride, she has a heart rate monitor and when we do well to keep in the 70% range she shows a burn of 60 cal/mile, when we go into the 80+ range we show a burn of 70 per, however a good majority at that point is cals from protein.

I honestly don't care if I burn 50 or 60 a mile, I get out and ride, my metabolism is speed up for the entire day. I eat rationaly and in the last month im down 11 pounds. and that includes the fact that I am on three different steroids (so figure more once those stop)
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Old 07-09-08, 12:23 PM   #10
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That site link is down. Is there an updated link-http://www.kreuzotter.de/english/espeed.htm ?
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Old 07-09-08, 12:27 PM   #11
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Here's another, not quite as user friendly, but it uses the same metric as the Kreuzotter site. The Kreuzotter site seems to be down for the count.
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Old 07-09-08, 12:33 PM   #12
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Here is one I use: http://www.mapmyride.com/calculate_calories
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Old 07-09-08, 12:35 PM   #13
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I hunted up the owner of record of the Kreuzotter site and sent email. Hopefully, it's only a technical glitch.
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Old 07-09-08, 12:47 PM   #14
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***Here's another, not quite as user friendly, but it uses the same metric as the Kreuzotter site. The Kreuzotter site seems to be down for the count. ***


Link?

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Old 07-09-08, 12:49 PM   #15
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I hunted up the owner of record of the Kreuzotter site and sent email. Hopefully, it's only a technical glitch.

fyi....it has been down for over a week. likely the end of it. later.
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Old 07-09-08, 12:56 PM   #16
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Whoops, forgot the link!

http://bikecalculator.com/veloMetricNum.html

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Old 07-09-08, 03:24 PM   #17
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If you want accuracy, get a heart rate monitor.
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Old 07-09-08, 03:41 PM   #18
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If you want accuracy, get a heart rate monitor.
The OP asked about Calories, not heart rate. An HRM doesn't have a clue as to Calories burned. One reviewer called the Polar Calorie function a random number generator. - TF
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Old 07-09-08, 03:58 PM   #19
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The OP asked about Calories, not heart rate. An HRM doesn't have a clue as to Calories burned. One reviewer called the Polar Calorie function a random number generator. - TF
I think that is true to some minor extent, but with an HRM you can get some information not available from typical calorie counters, as the HRM takes into consideration your heart rate (how hard you are working) as well as your weight (and age) to produce a result based on your entire ride. I use mine for all of my activities, and while I am not sure of the exact accuracy, the results are consistent and it does give me a way to track my progress as well as a way to count approximate calories burned. The HRM as a calorie counter and fitness progress device is a good tool IMHO. Not perfect, but good.
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Old 07-09-08, 04:45 PM   #20
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Im not sure what is right. I use the 40~100 calories per mile rule of thumb. I don't take into effect hill climbs because I have to start and stop at the same place, so what goes up must come down. Riding a road bike on road with slick tires might be even lower then 40 calories. However, I usually use the number 50 calories per mile. That takes into account my less then stellar health as well as my heavy mountain bike and knobby tires.
The low end of that range is probably about right. Biking is a far more efficient method of moving yourself than walking is. I figure about a 3:1 ratio between walking and riding as to energy expenditure. If it takes 30+ miles of walking to burn a pound of fat, it'll take 100 miles of biking. That'd be about 35 calories/mile.
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Old 07-09-08, 05:47 PM   #21
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Biking is a bad way to burn calories unless you are hauling stuff and doing hills. I actually think people gain weight biking once you factor in Gatorade and energy bars.
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Old 07-09-08, 06:10 PM   #22
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well, I just plugged the ride I just did into mapmyrun, with my specifics (I am a clydeasaurus) and got 545 calories for a 9 mile ride w/ some hills. That is about 60 cal/mile
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Old 07-09-08, 06:21 PM   #23
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Biking is a bad way to burn calories unless you are hauling stuff and doing hills. I actually think people gain weight biking once you factor in Gatorade and energy bars.


Not convinced at all with that. I've lost 15Kg since I started cycling with minimal changes to my diet and I'd never seen so many skinny people in one place until I went to a cycling club.

I don't bother with energy bars for anything less than three hours and drink water so that could have some effect, but really I think that exercising hard for 90 minutes every other day and 30 mins of commute does appear to cause weight loss. If not I'm just really really ill in a way that lowers my resting heart rate and causes me to feel healthier.
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Old 07-09-08, 06:37 PM   #24
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any idea of the veracity of this calculator? I plug my weight/calories etc daily (ish) into physicsdiet.com and I don't want to throw off the rolling average. I operate on the basic In/out system and try not to analyze too much, though I need to stabilize my average intake a day. Im around 1800-2000 right now. Im plateauing, so im thinking to shake things up with a couple days a week of partial commutes, then full.

http://www.physicsdiet.com/Charts.as...tLoss&time=All

Neat site! Thanks!
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Old 07-09-08, 06:48 PM   #25
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I used Tom's suggestion (mapmyride) and at 40 minutes my weight, height, and speed (10-13 mph probably) I came out at 552 for the ride back to my car tonight, and 414 this morning. Does anyone know why some calculators use distance traveled/weight/time and some use time/weight/height but no distance? I didn't spin the whole time, so Im assuming those calcultors are all calculating constant spinning?
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