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 It Works
No Guessing. Just Math.
Every launch monitor has different space requirements based on how it measures the ball. Radar units need ball flight distance. Camera units need less room but specific placement. Overhead units need ceiling clearance. This tool checks all of it against your actual dimensions.
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.
Your Next Move.
Know your handicap? Now build the sim that matches your game.
Get LM recommendations matched to your handicap.
Tell us your handicap and budget — we'll send you the top 3 launch monitors that match your game and your wallet. Plus: new reviews and price drops.