Interactive Tool
Golf Handicap Calculator
Enter your scores. Get your real USGA Handicap Index. No signup, no gimmicks.
Based on official USGA formula • Best 8 of last 20 differentials • Free
Enter Your Scores
Add at least 5 scores for a handicap estimate. 20 is ideal for an official index.
🏌️ No scores yet
Enter your recent rounds above. The more scores you add, the more accurate your handicap.
Your Handicap Index
Based on USGA formula: Best 8 differentials × 0.96
Your Differentials
| # | Score | Rating | Diff | Used |
|---|
Course Handicap Calculator
Enter the course rating and slope of the course you're playing today.
Your Course Handicap
Playing handicap: — strokes
What This Handicap Means
Track Your Handicap with a Launch Monitor
The best golfers track every shot. A launch monitor gives you real data — not guesswork. Here's what we recommend for your level.
How the USGA Handicap System Works
Calculate Each Differential
(Score − Course Rating) × 113 ÷ Slope Rating. Each round gets a "differential" — a standardized number that accounts for course difficulty.
Take the Best 8
From your last 20 rounds, use your 8 lowest differentials. This ensures one bad round doesn't wreck your index, and your potential is what gets measured.
Multiply by 0.96
Average those 8 best differentials and multiply by 0.96. That's your Handicap Index. The 0.96 factor accounts for the fact that you'll play to your potential about 1 in 4 rounds.
Real Talk
This calculator uses the official USGA formula, but your real handicap comes from consistent posting of every round — not just your good ones. A launch monitor in your garage lets you log every shot, track every round, and watch that number drop. If you're serious about getting better, stop guessing and start measuring.