Beorn’s exact bear-form size is never given in Tolkien’s text, but he’s described as “almost to giant-size” in the Battle of Five Armies, so he’s clearly much bigger than an ordinary bear.

Quick scoop

  • Human form: often estimated around 7 to 8 feet tall , though that’s inference rather than an official measurement.
  • Bear form: best described as huge, giant-like, and larger than any normal bear , with some fan estimates putting him at well over 10 feet tall when on all fours.
  • Bottom line: Tolkien never gives a precise number, so any exact height is a guess; the safest answer is that Beorn in bear form is massive, near-giant-sized.

What the text supports

The strongest textual clue is that Beorn “seemed to have grown almost to giant-size” in his wrath, which suggests his bear form is not just oversized but almost supernatural in scale. That makes him more of a legendary giant bear than a realistically measurable animal.

Best estimate

If you want a practical estimate for discussion or trivia:

  • Conservative estimate: around 10–12 feet long/tall in bear form, depending on posture.
  • More dramatic reading: giant-sized , beyond normal bear comparisons.

If you want, I can also give you a movie-version vs book-version size breakdown.