@ NALO1210
I found all your numbers come up short, try these.
Tweak a little more for wind and speeds in between those listed below.
Method:
Putt length, add or minus elevation + 2 feet by green speed factor X
Example: 25 foot on Champion green, speed *13
25 +5 ft (elevation) = 30 X .64 = 19.2 + 2 feet = 21.2 = putt 22 feet.
If you're not good at mental maths, an online calculator page open is useful during your round.
Green Speed X Putt Length by below = Distance
7.9 1.11
9 0.90
10 0.825
11 0.76
12 0.69
*13 0.64
14 0.58
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