Free Golf Calculator Tools
USGA-accurate calculators for every golfer. No signup, no ads, no tracking pixels outside our own analytics. Bookmark them.
Handicap Index Calculator
Full USGA / WHS handicap index from up to 20 recent rounds. Automatic best-8-of-20 selection and 0.96 adjustment.
Score Differential Calculator
Single-round differential from score, course rating, and slope. Exactly what your handicap app uses under the hood.
What Tees Should I Play?
USGA Tee It Forward calculator — ideal course length from driver distance and handicap.