Track your handicap,
without the paperwork.
FairwayIndex helps golfers track their handicap index, calculate course handicaps, and compare performance on any course — accurately, simply, and free to start.
Course Handicap in seconds
Enter your numbers, get your course handicap instantly.
Four free calculators, one accurate system
Every tool uses the official USGA formulas. No account needed — results appear instantly and are safe to share.
Golf Handicap
Course handicap and score differential in one place — the quickest way to check both numbers.
Open calculator →Course Handicap
Turn your index into the strokes you get on a specific tee, on a specific day.
Open calculator →9-Hole Handicap
Built for evening rounds and nine-hole leagues. Get your 9-hole course handicap fast.
Open calculator →Handicap Index
Enter your recent scores to estimate your USGA Handicap Index from the lowest 10 of 20.
Open calculator →Learn the rules, the right way
Plain-English explanations of the formulas behind every golf handicap — written for recreational players.
How to Calculate Your Golf Handicap
The complete USGA formula explained step by step with a worked example.
Read guide →What Is a Handicap Index?
What it measures, how it differs from a course handicap, and how you get one.
Read guide →Slope Rating Explained
Why 113 appears in every formula — and what a high or low slope really means.
Read guide →How Many Scores Do You Need?
Five rounds is the magic number for a first handicap index. Here is how it builds up.
Read guide →What Is a Good Golf Handicap?
Benchmarks from beginner to scratch, so you know where your index sits.
Read guide →Golf Handicap for Beginners
Everything a new golfer needs: the index, the differential, and how to start tracking.
Read guide →Save scores. Watch your index improve.
Create a free account and your handicap index updates automatically every time you log a round.
Log rounds in seconds
Pick a course from our database or type your own numbers — rating and slope included.
Automatic handicap index
Your index is calculated from the lowest 10 differentials of your last 20 rounds.
Track your trend
See your score differentials and export your full history as JSON or a printable report.
Free forever · No card required