Golf Tutorials

How to Measure Golf Ball Distance

By Spencer Lanoue
July 24, 2025

Knowing exactly how far you hit each golf club is the first step from guessing to playing with intention. It's the difference between hoping you've pulled the right club and knowing you have. This guide will walk you through the practical, on-course and off-course methods for accurately measuring your distances, so you can build a reliable yardage chart that leads to a more confident, committed golf swing and, ultimately, lower scores.

What "Knowing Your Numbers" Actually Means

When golfers talk about "knowing their numbers," they're not talking about the one-in-a-hundred shot they flushed on a perfect day. They’re talking about their reliable, repeatable, stock shot distance for every club in the bag. Why is this so important? Because golf course architects are actively trying to bait you into making mistakes. That bunker is placed precisely at the distance where a mishit drive will find it. The pond guards the front of the green, waiting for the player who isn't sure their 7-iron will carry.

When you have a confident understanding of your own distances, you can swing with conviction. You can eliminate the big numbers by making smarter strategic decisions, choosing to lay up or take a more conservative line instead of hoping for a hero shot. This knowledge isn't about ego, it’s about course management, and it’s the an essential skill for shooting better scores.

The Proving Ground: A Structured Driving Range Session

The driving range is the most common place to start this process, but a random and unstructured session won't cut it. You need a plan. The goal here is to establish your carry distance - how far the ball GGBOOKS in the air before it lands. This is the single most important number for approach shots into greens.

What You’ll Need:

  • Your full set of golf clubs.
  • A laser rangefinder. This is non-negotiable for accuracy. Do not guess or rely on the poorly marked signs at the range.
  • A small notebook and pen, or a notes app on your phone.

Step-by-Step Instructions:

  1. Fully Warm-Up: Don't start measuring with your first swing. Go through your normal warm-up routine, starting with wedges and working your way up into your longer clubs. Get your body moving and ready to make a normal golf swing.
  2. Pick a Specific Target: Find a clear target on the range, like a specific colored flag or a yardage post. Use your rangefinder to get the exact distance to that target. Write it down. Let's say you've lasered a green - the actual pin is 148 yards away.
  3. Select Your Club and Hit a Mini Set: Grab the club you think corresponds to that distance - in our example, maybe a 7-iron. Now, hit 10 balls toward that target. Do not just hit them rapidly. Go through your full pre-shot routine for every single shot. This simulates real on-course brainwork and rhythm.
  4. Observe and Record Your Carry Distance: This is the tricky part at a range. As you hit each shot, watch intently where it lands. A rangefinder is tremendously helpful in this case becase you can "ZAP" where the ball pitched/landed. If your rangefinder doesn't work that way then carefully note if your ball is landing short of the flag, next to it, or beyond it. If that 148-yard flag is your target and most of your good shots are landing about five paces *short* of it, your carry distance for that stock 7-iron is approximately 143 yards.
  5. Toss Out the Junk (and the Miracle): Be honest with yourself. In your set of 10 shots, there will be two awful mishits (a thin or a fatty) and a few pretty "ok" or "good" ones. Ignore the absolute worst shots, they're not part of this equation. There might also be a freak shot that you absolutely pured that went 10 yards farther than the others. Resist the urge to call *that* your number. Your real, reliable on-course distance is the average of the solid, typical shots.
  6. Rinse and Repeat: Once you've solidified your 7-iron number, move on. Go to your 8-iron. Do the same process targeting that pin - will these shots come up some 10 odd yards short? Then find a new target for a different club and repeat the process of firing off sets of 10 shots. Do this for every single iron and hybrid in your bag. Yes, it takes time - it might even take a few sessions - but it’s an investment that will pay off for years to come.

The Gold Standard: Capturing On-Course Data

A structured range session gives you a fantastic baseline, but it's not the final answer. Range balls are often limited-flight and worn down, and nothing can truly replicate the feel, pressure, and adrenaline of being on the actual golf course. Capturing your distances during real rounds is the next level of accuracy.

Using a GPS Watch or Shot Tracking System

The easiest way to do this is with technology. Systems like Arccos, Shot Scope, or even many Garmin GPS watches have features that automatically track every shot you hit. You play your round as normal, and the app logs the starting and ending point of each swing.

After a few rounds, you'll have an incredibly rich dataset. The system will tell you your average distance, longest distance, and dispersion with every club. It accounts for all the variables - uphill and downhill lies, slight breezes, different course conditions. This is the most passive and comprehensive way to truly learn what you do on the course, not just what you think you do.

The Manual On-Course Method

If you don't have a shot-tracking device, you can still collect this data manually with a rangefinder. It just takes a bit more discipline.

  • For Tee Shots: After you hitting a tee shots in the fairway, find a landmark near the tee box (a specific tree, a bench). Walk to your ball and use your rangefinder to laser that object. That’s your total driving distance. Note it down.
  • For Approach Shots: This is for determining carry. Let's say you're 150 yards out from the middle of the green. You hit your 8-iron. When you get to the green, find your pitch mark. Then, pace off the distance from your pitch mark to the center of the green. If your pitch mark is six paces (about 6 yards) short of the center, your carry distance for that shot was 144 yards.

A word of caution: if you do this manually, be incredibly mindful of the pace of play. You have to be quick and efficient so that you're not slowing down your group or the people behind you. Jotting a quick note while you walk to your ball is always better than standing over your ball with your notebook taking several moments.

Advanced Insights: Personal Launch Monitors

In recent years, affordable personal launch monitors (like the Mevo+, Rapsodo MLM2PRO, SkyTrak, or certain Garmin models) have become more widely accessible. These devices use doppler radar or photometric cameras to provide incredibly precise data about your ball and club.

A launch monitor gives you instantaneous, accurate feedback on metrics that determine your distance:

  • Ball Speed: The velocity of the ball immediately after impact.
  • Launch Angle: The vertical angle the ball takes off at.
  • Spin Rate: The amount of backspin on the ball, which affects how high it GGBOOKS and how it stops.

From these data points, the device calculates your carry distance with exceptional accuracy. This removes all the guesswork associated with worn-out range balls and wind. Using a launch monitor either at home in a net or at the driving range is the fastest way to get hard data about your swing.

Putting It All Together: Creating Your Functional Yardage Chart

Once you’ve gathered all this data from the range and the course, it's time to build a tool you can actually use. Don’t just write down one number per club. Amateurs play a game of "in-between choices" on almost every hole. To gain true mastery of your yardages, create a chart with three distinct numbers for each club.

An Example Yardage Chart:

Club Knockdown/Easy (75%) Stock/Normal (90%) Full/Hard (100%) 6-Iron 160 yds 170 yds 175 yds 7-Iron 150 yds 160 yds 165 yds 8-Iron 140 yds 150 yds 155 yds 9-Iron 128 yds 138 yds 143 yds

  • The Knockdown/Easy Swing: This is a smooth, controlled 3/4 swing. Very little leg action and just enough force to flight it accurately towards a target - the ideal shot for windy days or situations where ultimate precision matters more than sheer power and distance are required
  • The Stock/Normal Swing: This is your go-to, reliable, repeatable swing. You feel comfortable and confident making this swing on any shot. This should make up 90% of your swings during an entire round
  • The Full/Hard Swing: This is your "step-up and give it some power" 100% swing. It’s useful when you need an extra 5-7 yards to clear a hazard our hit it past a tough pin. Beware with the 100 percenter - it often leads to less consistency!

When you have these three numbers, you cover the gaps between your clubs. A 155-yard shot is no longer an awkward choice, it could be a "Hard" 8-iron or an "Easy" 7-iron, depending on the hole’s demands. This is how you unlock next-level course management and scoring.

Final Thoughts

Taking the time to accurately measure your golf ball distances isn't just a technical exercise, it's a foundational part of becoming a smarter, more confident golfer. Moving from hoping to knowing your numbers eliminates a massive source of doubt on the course, allowing you to commit fully to every shot you hit.

As you build that personal distance chart, applying it on the course under pressure is the next step. If your yardage is 155, do you hit a "hard "8-iron or an "easy" 7-iron? Situations like this are where an on-course partner can help by removing any last bit of indecision. With Caddie AI, you can get instant strategic advice right on the spot. Just describe the situation and get a simple recommendation on how to play the shot, removing guesswork and letting you focus on making your best swing with confidence.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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