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Q: Calories per Flight of Stairs ( Answered ,   0 Comments )
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 Subject: Calories per Flight of Stairs Category: Health > Fitness and Nutrition Asked by: tamkins-ga List Price: \$5.00 Posted: 28 Oct 2003 14:01 PST Expires: 27 Nov 2003 14:01 PST Question ID: 270575
 ```I want to know the number of calories burned per pound of body weight for climbing a flight of stairs. Assume each story is 14' tall. Just to be clear, I need to know calories per FLIGHT, not by any unit of time.```
 ```Hello. Here are two articles that claim 16 calories are burned by climbing a flight of stairs. "...walking up one flight of stairs (burns 16 calories per flight)." source: Get Up and Get Going! Sneaking Exercise into Your Busy Day by Liz Neporent, M.A, hosted by ivillage.com http://www.ivillage.com/diet/experts/fitfriday/articles/0,,165574_65074,00.html "Skip the elevator at work and when shopping. Youﾒll burn H and youﾒll get your heart pumping." source: Healty Ideas, hosted by giantfood.com http://www.giantfood.com/well_newsletter_display.cfm?ID=22 ----------- However, a more scientific look at this topic from a university lecture presents a much less optimistic conclusion: "1 Calorie (nutritional) = 1 kilocalorie (kcal) [i.e., 1000 cal] 1 British Thermal Unit (Btu) = 252 cal ... If you weigh 120 pounds, how many flights of stairs (12 ft high) would you have to climb in order to "work off" a 240 Calorie candy bar? Since you're given the weight/distance information in pounds and feet, let's start by calculating the work done climbing 1 flight of stairs in ft-lb. (120 lb) x (12 ft) = 1440 ft-lb per flight of stairs Using the equivalents above, we can convert this to Calories... 1440 ft-lb x 1 Btu 252 cal = 466.4 cal = 0.4664 Calories ------------- 778 ft-lb 1 Btu " source: Natural Sciences I lecture 11: More on Heat and Temperature; Thermodynamics E. B. Watson," from rpi.edu,cached by Google: http://216.239.57.104/search?q=cache:o0iWZ0rj5H0J:ees2.geo.rpi.edu/NS1/Notes/11_heat.pdf++calories+%22per+flight+of+stairs%22&hl=en&ie=UTF-8 Using this method... You mentioned 14 feet as the height of the flight of stairs. Let's use 150 pounds as an average weight. 150 lbs * 14 feet = 2100 ft-lb 2100 ft-lb * 1 Btu 252 cal = 680.2 cal = 0.6802 kcal (nutrit. Cal) ------------- 778 ft-lb 1 Btu Thus, this method would suggest that just 2/3rds of a calorie would be burned by climbing a 14' flight of stairs. ------- search strategy: "calories per flight" calories "per flight of stairs" I hope this helps.```
 tamkins-ga rated this answer: ```Thanks, juggler. 16 sounds about right. I think the science-experiment answer is wrong because our bodies are not perfectly efficient machines. (I've seen that one before in my own searches.)```