If you've ever watched a professional golf broadcast or listened to a golf podcast, you've almost certainly heard the term Strokes Gained, or SG. This powerful statistic is the new standard for analyzing performance, yet many everyday golfers are still unsure of what it means or how it works. This article cuts through the confusion to explain Strokes Gained in a simple, practical way and shows you how it can become an incredibly valuable tool for lowering your scores.
Strokes Gained measures how your performance on any given shot compares to a set benchmark, like the average performance of a Tour professional or a scratch golfer. Instead of just telling you what happened (e.g., you hit the fairway or you two-putted), it tells you the quality of what happened. It answers the real question: "Was my shot better or worse than the average, and by how much?"
Traditional stats like fairways hit, greens in regulation (GIR), and putts per round can be misleading. For instance, "putts per round" treats a 2-foot tap-in the same as a 60-foot lag putt that ends up inches from the hole. Both are one putt, but the 60-footer was obviously a much better stroke. Likewise, missing a fairway by one foot is very different from hitting it into a forest, but "fairways hit" doesn't see a difference.
Strokes Gained solves this problem. It assigns a value to every single shot based on its outcome, giving you a precise measure of how many strokes you gained or lost against the benchmark on that one shot alone.
Imagine your golf hole is a journey from the tee box (Point A) to the bottom of the cup (Point B). Before you even start, there is an average number of shots it takes a certain type of player to complete that journey. For example, from the tee on a 420-yard par 4, the PGA Tour average might be 4.1 strokes to get the ball in the hole.
Every shot you hit moves you closer to your destination. Strokes Gained quantifies how efficiently you traveled. Did your tee shot leave you in a position where the average strokes to hole out is now much lower? If so, you gained strokes. Did you hit it into the rough where the average is now higher than it should be? You lost strokes.
To grasp the concept, all you need is a simple formula and a walk through a hole. The calculation compares the expected number of strokes to hole out before your shot with the expected number of strokes after your shot.
The basic formula is:
SG = (Expected Strokes from Start) - (Expected Strokes from End) - 1
Let's play a 400-yard par 4, using PGA Tour players as our benchmark:
Total for the hole: You made a par 4. Let's add up the SG values:
+0.2 (Drive) - 0.2 (Approach) - 0.01 (Putt 1) + 0.01 (Putt 2) = 0.0 Total Strokes Gained.
You shot par, and your performance was exactly equal to the Tour average for the hole. This illustrates the power of SG perfectly: it can pinpoint exactly where you gained or lost ground, even on an otherwise average hole.
Modern analytics breaks the game down into components so you can see precisely where you need to focus. The four primary SG categories are Off-the-Tee, Approach, Around-the-Green, and Putting. Together, the first three make up Tee-to-Green.
This category measures your performance on all tee shots on par 4s and par 5s. A positive SG:OTT means your drives are putting you in advantageous positions. It's not just about raw distance, it skillfully rewards accuracy. A 300-yard drive in the fairway is worth more strokes gained than a 310-yard drive into the deep rough because the expected strokes to hole out from the fairway are much lower.
Many coaches believe this is the most important statistic for scoring. It includes any shot outside of 30 yards from the green that is not a tee shot on a par 4 or 5. This covers everything from a 250-yard fairway wood into a par 5 to a delicate 80-yard wedge. The single goal is to get the ball as close to the hole as possible. Hitting more greens and leaving shorter putts will send your SG:APP number soaring.
This measures your short game chops - specifically, chips, pitches, and bunker shots from within roughly 30 yards of the putting surface. The main factor here is "proximity to the hole." If you chip it to 3 feet from a tough lie, you will gain a lot of strokes. If you skull it across the green and leave another chip, you will lose strokes significantly.
This isolates your performance on the greens. This stat finally gives us a way to measure putting skill accurately. Making a 25-foot putt will earn you massive strokes gained. Three-putting from that same distance will result in lost strokes. SG:P knows how difficult each putt is, providing a true assessment of how well you rolled the rock, independent of how well your approach shots set you up.
This is simply the sum of SG:OTT, SG:APP, and SG:ARG. It reflects your entire long game and short game skill, isolating everything except what happens on the putting surface. A player who is a great ball-striker will typically have a very healthy SG:TTG number.
So, understanding the math is nice, but how does this actually help you shoot lower scores? Knowing your personal SG stats shifts you from guessing about your game to knowing about your game.
You might finish a round feeling like you "threw away shots on the green." But what if an analysis of your Strokes Gained data reveals your SG:Putting was actually neutral? The real problem might be your SG:Approach, where you repeatedly lost strokes by leaving yourself 40-foot putts. The weakness wasn't your putter, it was your iron play. SG gives you this kind of irrefutable evidence.
Once you know for a fact that you are losing 1.5 strokes per round on shots from 50 to 100 yards, your practice plan becomes crystal clear. Instead of mindlessly hitting driver for an hour, you can dedicate that time to dialing in your wedge distances. SG directs your effort to the parts of your game that will provide the biggest return on your investment, leading to faster improvement.
Understanding your SG profile can revolutionize your course management. If you know you consistently lose strokes Off-the-Tee with your driver, maybe the smart play on that tight par 4 is to pull a 3-wood or a hybrid. You might give up some distance, but leaving yourself a shot from the fairway could turn a negative SG number into a positive one. It helps you play to your strengths and manage your weaknesses.
You don't need a statistician to start using SG. Technology has made it accessible for everyone.
Strokes Gained is more than just another complicated piece of golf jargon, it’s a detailed roadmap to a better game. By measuring the quality of every shot against a consistent benchmark, it moves you past vague feelings and into a world of concrete data, revealing the true state of your game and guiding you toward more efficient and effective improvement.
Understanding your Strokes Gained data provides the "what" and "why" behind your scores, but on the course, you still have to execute the "how." For those moments between shots when uncertainty strikes, we developed Caddie AI. We made this so you can get immediate, expert-level advice on everything from hole strategy to club selection. If you're facing a tough lie, you can even take a picture, and it will analyze the situation to give you the smartest play. It’s like having a 24/7 coach in your pocket, empowering you to make wiser decisions and gain more strokes in the situations that matter most.
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