What does 'fold' mean

  1. When Someone says, "It increased by 10 fold", what does that mean?
    10 times the original amount, or amount^10 or something like that?

  2. jcsd
  3. chroot

    chroot 10,351
    Staff Emeritus
    Science Advisor
    Gold Member

    It's an old expression, but it just means "times." Something increasing ten-fold means it's ten times what it used to be.

    - Warren
  4. honestrosewater

    honestrosewater 2,093
    Gold Member

    Also occurs in "manifold", just FYI. :smile:
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