What Do Those Four Numbers on a Disc Golf Disc Actually Mean?
If you've ever walked into our store and picked up a disc, you've probably noticed four numbers printed on the inside of the rim or stamped on the flight plate. Maybe they looked something like 13 | 5 | -1 | 3, or 4 | 4 | 0 | 2. You probably thought: what on earth does that mean?
You're not alone. It's one of the most common questions we get from new players — and honestly, even some veterans who've been throwing for years couldn't tell you what all four numbers do. So let's break it down, plain and simple.
The Four Flight Numbers, Explained
Every disc golf disc is rated on four characteristics. Together, they paint a picture of how that disc will behave when you throw it. The numbers are always listed in the same order:
Speed · Glide · Turn · Fade
Let's go through each one.
1. Speed (scale: 1–14)
Speed is how fast a disc needs to be thrown to fly correctly. It's rated on a scale from 1 to 14.
A low-speed disc (like a putter at speed 2 or 3) requires very little arm speed to fly as intended. It's forgiving and consistent. A high-speed driver (speed 13 or 14) needs a powerful, well-formed throw to reach its full potential — if you don't throw it hard enough, it's going to behave very differently than advertised.
Our advice to new players: Don't chase the big speed numbers. We can't tell you how many customers have come in asking for the fastest disc on the wall, only to find out it fights them the whole way. Start with discs in the speed 6–9 range. You'll throw farther and straighter, we promise.
2. Glide (scale: 1–7)
Glide measures how well a disc sustains loft during flight — basically, how long it stays in the air. Higher glide means the disc floats and carries. Lower glide means it drops more quickly.
High-glide discs are great for beginners because they're forgiving and don't require as much power to go a long distance. However, in windy conditions, high-glide discs can be unpredictable — the wind gets underneath them and sends them places you didn't intend.
Think of it this way: Glide is like the sail on a boat. Great when you want it, a problem when the conditions are rough.
3. Turn (scale: +1 to -5)
This is where things get a little more interesting. Turn describes the disc's tendency to curve to the right (for a right-handed backhand throw) during the high-speed early portion of its flight.
- A 0 or +1 means the disc resists turning and flies very straight or even tilts left right away. These are called overstable discs.
- A -1 to -3 means a mild, controllable rightward drift. Great for beginners and for shaping lines around obstacles.
- A -4 or -5 means the disc wants to turn hard right. These are called understable discs and can be very useful — but can also flip over and crash if over-thrown.
Beginners generally do well with discs rated around -2 to -3 in turn. They're forgiving and help offset the natural tendency for new players to throw with hyzer angle.
4. Fade (scale: 0–5)
Fade is the finish. It describes how strongly a disc hooks to the left at the end of its flight (again, for right-handed backhand). Every disc fades at some point as it slows down — fade tells you how hard.
- A fade of 0 or 1 means a gentle, gradual finish. The disc kind of drifts to a landing without much drama.
- A fade of 4 or 5 means a hard, reliable finish to the left. These are discs you can count on in a headwind or when you need a predictable, dependable line.
High fade discs are workhorses. Low fade discs are finesse tools. Both have their place in your bag.
Putting It All Together: A Few Real Examples
Let's look at some common disc profiles so the numbers start to feel intuitive:
Beginner-friendly fairway driver — 7 | 5 | -1 | 1 Moderate speed, good glide, very slight turn, gentle fade. Flies straight, stays in the air, easy to control. This is a disc that makes new players feel like they know what they're doing.
Overstable utility driver — 9 | 3 | 0 | 3 Fast, low glide, no turn, strong fade. Fights headwinds. Great for a big, reliable hyzer finish or keeping it from flipping in a strong crosswind. This is a veteran's workhorse.
Roller/understable driver — 12 | 5 | -3 | 1 Very fast, high glide, turns hard, barely fades. In the hands of a big arm, this thing goes far and stays right. In the hands of a newer player, it might just turn over and skip into the woods. Handle with care.
Putter — 3 | 4 | 0 | 1 Slow, decent glide, stable, minimal fade. Predictable at close range. Excellent for approach shots and inside the circle. Don't let the humble numbers fool you — putters are the most important discs in your bag.
One Last Thing: The Numbers Are a Guide, Not a Guarantee
Flight numbers are standardized within each disc manufacturer — but they're not standardized across manufacturers. A speed 9 from one brand might feel very different from a speed 9 from another. Over time you'll develop a feel for how different brands rate their discs, and you'll start to know what numbers mean to you based on your arm speed and throwing style.
That's part of what makes this sport so great. The discs aren't just equipment — they're tools you learn to understand.
If you're ever unsure, come by and we'll help you throw a few. Nothing beats putting a disc in your hand and seeing how it flies. That's what we're here for.
Happy throwing.
Questions? Stop in, give us a call, or shoot us a message.