Fun Fact Friday! Does muscle weigh more than fat?

2 Jul

The common theory that muscle weighs more than fat is false.

1kg of muscle is exactly the same as 1kg of fat. The difference is the volume. 1kg of fat is a whopping three to four times the size of 1kg of muscle.

So that’s why people who exercise a lot will look a lot slimmer without dropping numbers on the scales.


9 Responses to “Fun Fact Friday! Does muscle weigh more than fat?”

  1. Chanel July 2, 2010 at 1:17 pm #

    I didn’t know that about the volume! My scale weight has remained the same for weeks yet I’ve lost centimetres.

    • Amanda July 2, 2010 at 1:36 pm #

      Yep! So whilst your weight may stay the same, your body is gradually reducing in size. Awesome, yes?

      My tip for everyone – instead of that weekly (or daily!) trip to Mr Scale replace with taking your measurements! You’ll be pleasantly surprised! 😉

  2. Chanel July 2, 2010 at 1:58 pm #

    Very awesome! Excellent tip 😀

  3. Nicole July 4, 2010 at 1:14 am #

    Preach it, sister!

    • Amanda July 5, 2010 at 10:49 am #

      I’m singing it from the roof tops! Lalalalaaaaa!

  4. weightlossguru July 5, 2010 at 5:02 pm #

    Hi Amanda,
    Sounds like you are learning heaps on your weight loss journey. I too have also been where you are now and eventually got to goal ( just as you will!).
    If you’d like some extra motivation and inspiration, feel free to drop by on my blog sometime.
    I have also written a book, REFRAME WEIGHTLOSS since getting to goal and will be selling it online soonish.
    Anyhow, well done on your progress so far – you go girl!!

    • Amanda July 6, 2010 at 9:19 am #

      Thanks Mon! I’ll definitely check it out! And congrats on the book! 😀

  5. Michael Merry July 10, 2010 at 9:05 am #

    What weighs more, 1 lb of iron or 1 lb of feathers? ..everybody knows that one.
    Improperly stated questions can cause confusion: we really want to know if muscle has greater density [mass/unit volume] than fat [yes], and if body composition is more relevant to health than body weight [yes].

    Lots of good stuff on your blog.. impressive!

    • Amanda July 11, 2010 at 3:31 pm #

      Thanks Michael! I’m just sharing the information that I personally find interesting… It’s nice to know people appreciate it! 🙂

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