Fun & Misc calculators

Convert your cat's age to human years with the AAHA/AAFP feline life-stage chart (15 for the first year, 24 by two, then 4 a year) and see its life stage.

Convert your dog's age to human years two ways: the size-based veterinary chart (small to giant breeds) and the 2020 UCSD epigenetic-clock formula — with life stage.

World Handicap System Score Differential from score, course rating and slope, then your Handicap Index from the best of the last 20 rounds.

A tongue-in-cheek compatibility score from two birth dates using zodiac elements and numerology life-path numbers — transparent, deterministic, not science.