Calculating Strokes Gained Putting

Strokes Gained Putting (SG Putting) is a golf performance metric that measures how many strokes a player is better or worse than the average golfer on the putting green. This metric helps golfers identify strengths and weaknesses in their putting performance and track progress over time.

What is Strokes Gained Putting?

Strokes Gained Putting is a statistical measure used in golf to evaluate a player's putting performance relative to the average golfer. It quantifies how many strokes a player is better or worse than the field average when putting.

The concept is similar to other Strokes Gained metrics (like SG Approach or SG Off-the-Tee), but it specifically focuses on putting performance. A positive SG Putting indicates the player is performing better than average, while a negative value indicates worse-than-average performance.

SG Putting is calculated using advanced statistical models that account for factors like putt length, difficulty, and location on the green. It provides a more nuanced view of putting performance than simple putts per round or average putts per green.

How to Calculate Strokes Gained Putting

The calculation of SG Putting involves several steps and statistical models. Here's a simplified overview of the process:

Collect data on the player's putting performance over a period (typically a round or tournament).
Analyze the difficulty of each putt (length, location, slope, etc.).
Compare the player's performance to the average performance of all golfers.
Calculate the difference in strokes between the player and the average golfer.
Adjust for the difficulty of the putts faced.

The exact formula for SG Putting is complex and proprietary, but it can be approximated using the following simplified formula:

SG Putting ≈ (Player's Strokes per Round - Average Strokes per Round) / (Standard Deviation of Strokes per Round)

Where:

Player's Strokes per Round = Total strokes taken by the player on all putts
Average Strokes per Round = Average strokes taken by all golfers on all putts
Standard Deviation of Strokes per Round = Measure of how spread out the strokes are

In practice, golf performance tracking systems use more sophisticated models that account for the difficulty of each putt and the player's historical performance.

Interpretation of Results

Interpreting SG Putting results requires understanding how the metric relates to actual golf performance:

Positive SG Putting (e.g., +1.0 or higher): Indicates excellent putting performance, significantly better than average.
Neutral SG Putting (e.g., 0.0 to ±0.5): Indicates average putting performance, neither better nor worse than the field.
Negative SG Putting (e.g., -1.0 or lower): Indicates poor putting performance, significantly worse than average.

SG Putting is particularly valuable when combined with other Strokes Gained metrics. For example, a player with strong SG Putting but weak SG Approach might focus on improving their approach shots.

Remember that SG Putting is a relative measure. A player with a high SG Putting might still have room for improvement, especially if they're not close to the course's average putting performance.

Example Calculation

Let's walk through an example to illustrate how SG Putting might be calculated:

Metric	Player	Average Golfer
Total Putts	28	32
Average Putts per Green	1.75	2.00
One-Putt Percentage	45%	35%
Standard Deviation	1.2	1.5

Using the simplified formula:

SG Putting ≈ (Player's Strokes - Average Strokes) / Standard Deviation

SG Putting ≈ (28 - 32) / 1.5 = -4 / 1.5 ≈ -2.67

This result would indicate very poor putting performance relative to the average golfer. In reality, professional golf performance tracking systems would use more sophisticated calculations that account for the difficulty of each putt.

FAQ

What is the difference between Strokes Gained Putting and putting average?: Strokes Gained Putting is a more advanced metric that accounts for the difficulty of putts faced, while putting average simply measures the number of putts per round without considering difficulty. SG Putting provides a more nuanced view of putting performance.
How often should I calculate Strokes Gained Putting?: SG Putting is typically calculated after each round or tournament. Tracking it over time helps golfers identify trends and areas for improvement in their putting performance.
Can I calculate Strokes Gained Putting myself?: The exact calculation of SG Putting requires specialized software and statistical models. While you can use the simplified formula shown on this page, professional golfers and coaches typically use advanced performance tracking systems.
Is a high Strokes Gained Putting always good?: A high SG Putting indicates excellent putting performance, but it's important to consider it in the context of other performance metrics. A player with strong SG Putting but weak approach play might still need to improve other aspects of their game.
How does Strokes Gained Putting compare to other Strokes Gained metrics?: SG Putting focuses specifically on putting performance, while other metrics like SG Approach or SG Off-the-Tee measure performance in different aspects of the game. Together, these metrics provide a comprehensive view of a golfer's strengths and weaknesses.