GOLFGLADE

Golf Handicap Calculator

Enter your recent rounds and get a World Handicap System–style handicap index — each round’s score differential, and the average of your best differentials that make up the number.

Enter your recent rounds — adjusted gross score, plus the course rating and slope from the tee you played. Add up to 20; the calculator uses the most recent 20 and averages the best differentials.

Know the number that levels the field

A handicap index is what lets golfers of different abilities play a fair match: it travels with you and converts to a course handicap wherever you tee it up. Because it is built from your best recent rounds rather than your average, it reflects your potential — which is why it feels like a target as much as a measure, and why a couple of good rounds move it more than a bad one.

Once you know where you stand, map the yardages you can rely on with the Club Distance Chart, or keep a friendly game close with the Stableford Points Scorer.

Frequently Asked Questions

How is a golf handicap index calculated?

Under the World Handicap System, each round first becomes a Score Differential: (adjusted gross score − course rating) × 113 ÷ slope rating, where 113 is the slope of an average course. Your handicap index is then the average of a set number of your lowest differentials from your most recent scores — the best 8 of your last 20 once you have a full record. This tool follows that method: enter your rounds and it computes each differential and averages the right ones.

How many scores do I need before I get a handicap?

You can get an index from as few as three 18-hole scores, but with a small sample the system leans conservative: at three scores it uses your single lowest differential and subtracts 2.0, and the adjustment shrinks as you post more rounds. From twenty scores on, it simply averages your best eight differentials with no adjustment, which is why a handicap settles down and becomes more representative the more you play.

What are course rating and slope, and where do I find them?

Course rating is the score a scratch golfer is expected to shoot from a given set of tees, and slope rating (55–155, with 113 average) measures how much harder the course plays for a bogey golfer than for a scratch golfer. Both are printed on the scorecard and posted at the tees, and they differ by tee box — so use the numbers for the exact tees you played, since a longer tee has a higher rating and usually a higher slope.

Is this the same as my official handicap?

No. This is an educational estimate using the WHS formula so you can understand where your game sits and track it as you improve. An official, postable Handicap Index is issued only by an authorised handicapping body through your golf club, which applies the full rules — acceptable-score conditions, net double-bogey adjustments, playing-conditions calculations, and a low-index safeguard. Use this figure for practice and planning, not as a record you can enter in competition.

Educational estimate using the WHS method. An official, postable Handicap Index is issued only by your club and handicapping authority. Not an official handicap record.