You generally need to be at least 13 years old to go to Planet Fitness, but the exact rules depend on your age and local club policy.

Basic age rules

  • Minimum to join at all: 13 years old, with a parent or legal guardian involved in sign‑up.
  • Under 13: Not allowed to join or work out in the club as a member.
  • 18 and older: Can sign your own contract and use the gym on your own, including full membership options.

If you are 13–14

  • You can usually become a member at 13 or 14 only if a parent or guardian signs the membership and required waiver.
  • You must be accompanied by that parent/guardian whenever you work out; you cannot use the gym alone at these ages.

If you are 15–17

  • You can typically work out without an adult present once a parent or guardian has signed a waiver and membership forms.
  • You still cannot sign legal contracts completely on your own, so the parent/guardian paperwork is required until you turn 18.

Extra details and fine print

  • Some locations or states tweak the rules slightly (for example, stricter supervision for 14‑year‑olds), so your local club may differ a bit.
  • Certain perks, like using a Black Card guest pass by yourself, usually require you to be 18 with valid ID.

Quick recap

  • 12 and under: No.
  • 13–14: Allowed, but must have parent/guardian sign up and be with you while you work out.
  • 15–17: Allowed; can typically work out alone after a parent/guardian signs a waiver.
  • 18+: Full, independent membership and access.

Information gathered from public forums or data available on the internet and portrayed here.