# Something doesn't add up... (weighty issues)

**URL:** <https://boards.straightdope.com/t/something-doesnt-add-up-weighty-issues/319141>\
**Category:** In My Humble Opinion\
**Created:** [August 29, 2005, 6:53pm UTC](https://boards.straightdope.com/t/something-doesnt-add-up-weighty-issues/319141 "2005-08-29T18:53:31Z")\
**Posts on this page:** 4\
**Page:** 3

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**Author:** ![Walloon](https://avatars.discourse-cdn.com/v4/letter/w/fbc32d/32.png) [@Walloon](https://boards.straightdope.com/u/Walloon)\
**Post date:** [September 1, 2005, 4:47pm UTC](https://boards.straightdope.com/t/something-doesnt-add-up-weighty-issues/319141/41 "2005-09-01T16:47:24Z")

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> [@astro](#):
>
> As some side notes I don’t know how you are calculating the calories you burn during exercise, but for a 170 lb individual to burn 1000 calories during an exercise session is quite high. You’d have to be doing about 2 hours straight of high impact aerobics or walking 3 hours a day (at 3 MPH) to burn that many calories.

Using an elliptical trainer at level 5 (of 10) for 60 minutes, I burn 900-1000 calories. Input includes age, weight, and a heart monitor.

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**Author:** ![Cat\_Whisperer](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/cat_whisperer/32/4839_2.png) [@Cat\_Whisperer](https://boards.straightdope.com/u/Cat_Whisperer)\
**Post date:** [September 2, 2005, 8:21pm UTC](https://boards.straightdope.com/t/something-doesnt-add-up-weighty-issues/319141/42 "2005-09-02T20:21:10Z")

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> [@astro](#):
>
> PIMF

PIMF? 😕

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**Author:** ![astro](https://avatars.discourse-cdn.com/v4/letter/a/9dc877/32.png) [@astro](https://boards.straightdope.com/u/astro)\
**Post date:** [September 2, 2005, 8:50pm UTC](https://boards.straightdope.com/t/something-doesnt-add-up-weighty-issues/319141/43 "2005-09-02T20:50:35Z")

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> [@featherlou](#):
>
> PIMF? 😕

Preview is my friend

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**Author:** ![Cat\_Whisperer](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/cat_whisperer/32/4839_2.png) [@Cat\_Whisperer](https://boards.straightdope.com/u/Cat_Whisperer)\
**Post date:** [September 4, 2005, 2:30am UTC](https://boards.straightdope.com/t/something-doesnt-add-up-weighty-issues/319141/44 "2005-09-04T02:30:44Z")

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Ah.

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