• @macgyveringIt
      link
      91 year ago

      And know the sizes of some common items; paper currency, coins, hand, arm, length of stride. You can use these to get a close approximation.

    • @teruma@lemmy.world
      link
      fedilink
      31 year ago

      My hand span is exactly 7", and my thumb knuckles are exactly 1" long, with the nailbed exactly halfway back.