Kitty Corner
Kitten Age Calculator

How old is your kitten?

Enter their birth date to see age in weeks, months, and human years.

Kitten development milestones

  1. Newborn

    0–2 weeks

    Eyes closed, fully dependent on mom. Keep warm and undisturbed.

  2. Eyes opening

    2–4 weeks

    Eyes open, starts to wobble-walk. Still nursing exclusively.

  3. Weaning

    4–8 weeks

    Introduce wet kitten food. Begin gentle socialization and play.

  4. Adoption-ready

    8–12 weeks

    Litter trained, eating solids, ready for first vaccines.

  5. Curious explorer

    12–24 weeks

    Tons of energy. Spay/neuter typically around 4–6 months.

  6. Adolescent

    24–52 weeks

    Transition to adult food around 12 months.