Lesson 3 of 10
Estimating slope: the 100-inch reference
100 inches are 2.54 m. Over this distance every inch of height difference equals 1% slope.
In this lesson
- Clear explanation with background – why it matters on the green
- Practical exercise in 4 steps
- Self-check question to test your understanding
- Ask the AI Coach about this topic
A question from this lessonWhat slope do 3 inches of height difference over 100 inches mean – and what does that not yet tell you about your Aim Point?
All lessons in this course: Green Reading
- Read line and speed together
- Find the fall line as your reference
- Estimating slope: the 100-inch reference
- Green speed and Target Speed
- Aim Point – your target point on the fall line
- Distance Point – dosing your stroke
- Read original tables without interpolation
- High line, low line and changing contours
- Separate reading errors from execution errors
- Your green-reading practice plan
Free articles & podcasts on this topic
- Podcast · 21 min The Physics of Breaking Putts: Why Your Aim Point Is Failing You
- Podcast · 17 min Mastering Green Reading with the Puttalyze Concept