This article is part of a new Smarter Golf series powered by Arccos data.
When golfers buy a rangefinder, the first question is always the same: Is it accurate? In MyGolfSpy, we have tested quite a few of them to tell you that, yes, most modern enchanters are good at the one thing they were designed to do. Point it at the flag, pull the trigger, get a number. This number, the straight-line distance to the pin, is usually right.
But is this the number you need?
There is a difference between what the range reads and what the shot calls for. That gap has a name. It’s called “plays like” distance. According to 3.5 million shots of Arccos Smart Laser data, the average golfer is ignoring his 12.4 yards in every shot they hit.
Half of all distance readings are off the real number by 10 yards or more. One in five are outside 20. This is not a hardware problem. Your remote is doing exactly what it is supposed to do. The problem is that what it is supposed to do is not the full story.
1. The only slope myth
A slope model should fix this, right?
The slope-adjusted number calculates the angle of the shot and tells you which club to hit.
The data says otherwise.
Slope accounts for only 19.9 percent of the total “plays like” adjustment. That means four out of every five yards of correction come from a place a slant ranger can’t see. Wind, steady speed plus gusts alone account for nearly 64 percent of the total adjustment. Temperature, altitude and humidity make up most of the rest.
factor
Total Fit Portion
wind (steady)
35.7%
Wind (bursts over sustained)
28.2%
The slope
19.9%
The temperature
12.4%
Altitude
2.6%
The humidity
1.1%
In 91 percent of the shots, the non-tilt adjustment is greater than the tilt adjustment. The slope distance finder is solving less than one fifth of the problem.
2. Lie of 10 meters
The gap between raw laser range and “plays as” scale has not been fixed. It grows the further the shot goes. Amateur players struggle the most with longer clubs, so this combination of the wrong number and the harder shot is bad.
The 100-yard field goal is off by 10 yards. The 200-yard approach is gone by more than 15.
Club distance
Average Off By
average
Out for 10+ yds
Out for 20+ yds
100–149 yds (wedge / short iron)
10.0 years
7.9 years
39.5%
11.7%
150–199 yds (average iron)
13.0 years
10.6 years
52.7%
21.7%
200–249 yds (long/hybrid iron)
15.5 years
13.2 years
61.5%
30.8%
250+ yds (driver / 3-wood)
18.5 years
16.2 years
68.5%
40.3%
All the shots
12.4 years
10.0 years
49.4%
20.0%
Half of all distance readings on a golf course are at least 10 yards.
3. What the plate never tells you
The 17th at TPC Sawgrass is one of the most popular par-3s in golf. It is an island green with a yard of 137 yards. There is no margin for error. It’s also one of the clearest illustrations of what distance “plays like” means in practice.
Arccos Smart Laser data captured the same hole on five different days during a recent stretch.
A rangefinder on March 19 was 23 yards off. On March 27 it was perfect. On March 26, it was six feet tall. The slope does not change between those days. Everything else you’re not measuring does.
4. Where you play decides how much it matters
The problem “plays like” is not equal across the country. Your zip code has a lot to do with how much your distance fools you.
The windy golfer in Texas, Oklahoma, Kansas, or Iowa is dealing with 57 percent more environmental adjustment than the golfer in San Diego. The range number is materially less useful depending on where you live.
5. Hidden courtyards
Wind is the biggest factor missing from your distances. The slope is most overrated. But the altitude and temperature are quietly increasing as well. Together, they make up 15 percent of the total “play as” fit.
A golfer playing at an altitude of miles is getting a bonus of 10.5 free yards on every shot just out of thin air. A mountain course over 6,500 feet adds 13.5. Golfers at sea level don’t get anything that good until they travel and have to relearn all their yards.
Temperature works in the other direction. The cold air is dense and the kills carry—a 40°F morning round adds at least five yards to every shot. A 90°F summer afternoon requires nearly three breaks. That’s an eight-yard swing between seasons on the same course, the difference between hitting an 8-iron or a 9 every time you hit the bag.
What you can do about it
The range finder in your bag is not broken. It just does less than you think it does. It is measuring a straight line. What it can’t do is read the wind, factor in the temperature, calculate where you are on the map, or tell you what that 150-yard number will feel like when you pull the trigger.
of Arccos Smart Laser does all of this. Each reading produces a “plays like” number that calculates wind speed and direction, gusts, temperature, altitude and humidity in real time. Knowing the distance and knowing the shot to hit are two different things.
Data on 3.5 million readings makes the case clear: tilt-only meters are only solving 19 percent of the problem. The other 81 percent—the wind, the temperature, the altitude, the conditions you’re experiencing right now—are what decide whether you’ll find the green or come up short.
