Understanding Player Efficiency Ratings in the NBA

13 May 2026

Alright, hoop heads and stat junkies—gather 'round. Today, we're diving deep into one of the NBA's most talked-about (and misunderstood) metrics: Player Efficiency Rating, or as the cool kids say, PER. If you’ve ever heard someone say, “Yo, this dude has a PER of 32!” and you nodded like you understood, but deep down your brain yelled, “What even is that?!"—don’t worry. This one's for you.

Grab a snack, pull up a chair, and let’s break down PER like we’re talking hoops over wings and a cold drink.

What the Heck is Player Efficiency Rating (PER)?

Let’s keep it real. PER sounds fancy, like a complicated math test you forgot to study for. But at its core, it’s just a stat that tries to answer a simple question:

How good is this player at doing basketball things efficiently?

John Hollinger, the stats wizard behind this metric, created PER to mash together a bunch of box score stats—points, rebounds, assists, steals, blocks, you name it—into one single number. It’s almost like the basketball equivalent of a smoothie. Toss in all the ingredients (stats), blend it up with some math, and you’ve got PER.

The PER Scale: What Do the Numbers Mean?

So when someone has a PER of 15, is that good or bad? Let’s break it down:

- 15 – This is the average. Like a C+ student. Not failing, but you’re not putting posters of them on your wall either.
- 20+ – Now we’re talking. These are your starters, All-Stars, the guys you’d give your last slice of pizza for.
- 25+ – MVP-level territory. Elite. These are your LeBrons, Giannises, and Jokics.
- 30+ – Unicorn mode! This is rare air—only a handful of players have ever hit this in a season.

Quick example: In the 2022-2023 season, Nikola Jokić had a PER over 31. That's video game numbers. Like, “I turned down the difficulty on 2K” numbers.

How Is PER Calculated? (Without Giving You a Headache)

You want the formula? Are you sure? Alright, but don’t say I didn’t warn you.

PER takes into account positive stats—points, rebounds, assists, steals, blocks—and subtracts the negative ones—turnovers, missed shots, fouls. Then, it adjusts everything based on the pace of the game.

And boom: All that data soup gets cooked into a single number. Is it perfect? Heck no. But is it helpful? Absolutely.

Don’t worry—you don’t need a TI-84 calculator to appreciate PER. Just know that it’s trying to answer this:

“How much value is a player adding every minute they’re on the court?”

The Good Stuff: Why PER is Actually Pretty Cool

1. It Levels the Playing Field

PER is a per-minute stat. That means it doesn’t just reward guys who play 40 minutes a night. It highlights efficiency over volume. So if a bench player is dropping 20 points in 20 minutes, PER will notice.

2. It’s a Great Snapshot

Let’s say you don’t have time to read spreadsheets or nerd out on advanced metrics. PER gives you a quick, digestible number to gauge performance. It’s like a cheat sheet for fantasy hoops.

3. It Helps Compare Across Eras

Because it adjusts for pace and league averages, PER gives you a tool to compare players from different eras. Want to see if MJ's efficiency stacks up to KD’s? PER can help.

The Not-So-Great Stuff: PER Has Some Flaws

We’re all about honesty here, just like we admit that we still cry when our team loses Game 7.

1. PER Loves Scorers (Maybe a Little Too Much)

If you score a lot, even if you’re chucking shots like you’re at a carnival, PER might still love you. Volume scorers get rewarded—sometimes more than they should.

2. Defense is… Kind of Ignored

PER doesn’t fully capture a player’s defensive impact. Sure, it counts blocks and steals, but it can’t measure things like altering shots, switching strategy, or locking someone up for 48 minutes. So yeah, PER might not give defensive dogs like Marcus Smart or Draymond Green the love they deserve.

3. It Needs Context

PER doesn’t care who you’re playing with or against. It treats all minutes the same. Dropping 20 on the Spurs bench unit ≠ Dropping 20 on the Celtics starting five. But PER doesn’t know that.

So, always pair PER with the eye test and other stats. Think of it like dating: looks (PER) matter, but so does personality (context).

Funny PER Examples That’ll Make You Raise an Eyebrow

Let’s lighten the mood. PER sometimes spits out numbers that make you go, “Wait… what?”

- Boban Marjanović has had some ridiculously high PERs in short spurts. Why? Because when the man actually touches the floor (rare, I know), he’s grabbing every rebound and hitting every hook shot in sight. PER loves that, even if he played for like 6 minutes.

- Michael Jordan holds the highest career PER in NBA history. Yup. Better than LeBron, better than Kareem, better than your favorite player. PER is basically saying, “Yeah, MJ was that dude.”

- Hassan Whiteside once led the league in PER over guys like Steph Curry during an early-season stretch. Why? PER adored his blocks and efficiency inside—even if he had the basketball IQ of a banana peel.

PER vs. Other Advanced Stats: Let's Get Nerdy (But Not Too Nerdy)

There are a bunch of other fancy-schmancy stats out there: Win Shares, Box Plus/Minus, True Shooting Percentage, VORP (which sounds like a robot sidekick). So where does PER fit?

- PER is like the Cliff Notes of player evaluation. Quick and dirty.
- Win Shares tries to estimate how many wins a player contributes to.
- Box Plus/Minus (BPM) looks at a player's impact while on the court versus an average player.
- True Shooting % is all about scoring efficiency, factoring in free throws and three-pointers.

So PER isn’t the only stat around, but it’s the one that’s easiest to understand without needing a PhD in Basketball Analytics.

How Coaches and GMs Actually Use PER (And How Fans Misuse It)

Let’s be clear—NBA front offices don’t use PER as the holy grail. It's more like one of many tools in their shiny analytics toolbox.

But man, fans run with it. They’ll say stuff like:

> “My guy has a PER of 24! That means he’s better than your guy with 22!”

Pump the brakes, Skip Bayless. Let’s remember: stats need context. A better PER doesn’t always mean a better player. Use it to support your arguments, not to build them entirely.

Fantasy Basketball Players—PER Is Your Secret Weapon

If you play fantasy hoops, PER can be your best friend. Especially in leagues that reward efficiency. A guy with a high PER is likely stuffing the stat sheet without wasting possessions.

It’s a great way to find underrated dudes flying under the radar. Like that guy on the bench who's quietly putting up 12 and 6 in 18 minutes? Check his PER. If it's higher than your starter’s, it might be time to make a sneaky trade.

The Bottom Line: Is PER Worth Paying Attention To?

Yes… with a big ol’ asterisk.

PER is a fun, helpful tool for understanding how productive a player is per minute. It shines a spotlight on efficient players and gives casual fans a number to latch onto. But is it perfect? Nah. Not even close.

So next time someone throws PER into the conversation like it’s the final word, feel free to remind them:

It’s just one piece of the puzzle. Not the full masterpiece.

Final Thoughts: Keep It Balanced, Fam

If you love PER, that’s awesome. If you think it’s kind of overrated, that’s fine too. Just remember—basketball is played by humans, not spreadsheets. Stats can tell us a lot, but they’ll never capture the full magic of a no-look pass or a chasedown block that sends the arena into a frenzy.

So go ahead, embrace PER. But don’t let it be the only thing guiding your basketball soul.

And if you’re still scratching your head over it? Just remember: Michael Jordan has the highest career PER ever.

Coincidence? I think not.