Indoor vs. Outdoor Pickleballs: What's the Difference?

Walk into any pickleball pro shop and you'll see two types of balls — and they look nearly identical. Same size, same yellow or orange color, same plastic-shell construction with holes drilled through. But the difference between an indoor and outdoor pickleball is more significant than most beginners realize, and using the wrong one can genuinely sabotage your game.

The visible difference: hole count

The easiest way to tell them apart is to count the holes.

• Indoor balls have 26 larger holes. Softer plastic, lighter feel.
• Outdoor balls have 40 smaller holes. Harder plastic, denser feel.

Those numbers come from the design specs published by the major manufacturers — the USA Pickleball Association approves balls in both categories with these specs in mind. ARTI follows the same convention: our Indoor Pickleball uses the 26-hole pattern, our Outdoor Pickleball uses the 40-hole pattern.

Why two designs exist

Indoor and outdoor courts present different conditions. Indoor pickleball is played on smooth surfaces (gymnasium floors, dedicated indoor pickleball courts), usually in temperature-controlled environments, with no wind. Outdoor pickleball is played on textured surfaces (concrete, asphalt, modified tennis courts), often in direct sunlight, and almost always with some wind.

The two ball designs are optimized for those conditions:

Indoor balls — slower, more bounce, more control

The larger holes and softer plastic mean indoor balls slow down faster through the air and absorb more impact on the bounce. You get longer rallies, more touch shots, and games that feel less rushed. The softer plastic also means less wear on indoor flooring.

Trade-off: If you use indoor balls outside, the wind catches them. They fly less predictably, and the softer plastic dents quickly on rough outdoor surfaces. Most indoor balls won't last more than a few outdoor sessions.

Outdoor balls — faster, harder, more wind-resistant

The 40 smaller holes reduce air resistance, so outdoor balls fly faster and straighter through wind. The harder plastic resists denting on rough surfaces and holds its shape longer in heat or sun.

Trade-off: Faster reactions are required because the ball comes off the paddle harder. On a smooth indoor surface, outdoor balls bounce too aggressively for the soft, controlled game indoor play is known for. The harder plastic also slowly degrades indoor flooring.

What happens if you use the wrong one

This is the part most beginners don't realize: using indoor balls outside (or vice versa) doesn't just feel "slightly off" — it fundamentally changes the game.

• Indoor ball outside: wind ruins your placement, ball dents quickly, mismatched bounce on the rougher surface
• Outdoor ball inside: ball moves too fast for kitchen-line play, harder bounce changes timing, flooring wears faster

If your local club provides balls for play, they're using the right type for their surface — don't bring your own contradicting set. If you're playing at a venue you bought a day pass to, ask which type they use before you warm up.

Color: not a reliable indicator

Both indoor and outdoor balls come in multiple colors (yellow, white, orange, green). Color doesn't tell you which type a ball is. Always check the hole count or the package label.

One useful trick: outdoor balls tend to come in brighter, more saturated colors (high-visibility yellow, neon orange) because outdoor courts often have busier visual backgrounds. Indoor balls are more often in muted yellows or whites. Not a hard rule — but a useful tiebreaker if you're squinting at a stray ball.

How many balls should you keep?

If you play exclusively indoor or exclusively outdoor, a sleeve of 3-6 balls of the right type covers a casual playing schedule. Balls last anywhere from 5 sessions (in harsh conditions) to 25+ sessions (light play on the right surface).

If you play both indoor and outdoor, keep a sleeve of each in your bag. Label them or keep them in separate compartments — under stadium lights or in a busy gym, they're hard to tell apart at a glance.

Bottom line

Indoor and outdoor pickleballs are not interchangeable. Match the ball to the surface you're playing on — your game will feel better, the balls will last longer, and you'll avoid the most common beginner frustration of "why does this ball fly so weird?"

ARTI sells both — 26-hole indoor pickleballs and 40-hole outdoor pickleballs — designed to the same specs as the major brands so they play exactly how you expect, regardless of where you grab them.

Published by ARTI — independent ARTI Pickleball paddles, balls, and gear. Browse the full catalog.