What Does 110H Mean On A Tire? | Load And Speed Decoded

A 110H service description means the tire can carry 2,337 pounds and is rated for speeds up to 130 mph when properly inflated.

What does 110H mean on a tire? It’s the service description stamped into the sidewall, and it tells you how much weight the tire is built to carry and the top speed category tied to that load. Once you know how to read it, the code stops looking cryptic.

For 110H, the number and the letter do different jobs. The number 110 is the load index. The letter H is the speed symbol. Put together, they tell you whether that tire matches what your vehicle was built to use.

What Does 110H Mean On A Tire? Sidewall Code In Plain English

Read 110H as two separate clues on one line.

• 110 means the tire is rated to carry 2,337 pounds when it’s inflated the right way.
• H means the tire falls into a speed category of 130 mph.

That does not mean you should load the tire right up to that number every day or drive anywhere near 130 mph. It means the tire was tested and classified at that load and speed category under set conditions. On the road, your vehicle placard, axle limits, tire pressure, and wheel fitment still rule the choice.

This is also why two tires with the same size can still be different. You might see the same width, aspect ratio, and wheel diameter on two sidewalls, yet the service description can change. One tire may be built for a lighter load, another for a heavier one, and the speed symbol can shift too.

Where You’ll Find 110H On The Sidewall

The code usually shows up right after the tire size. A sidewall might read something like 235/65R17 110H. In that string, 235 is the width in millimeters, 65 is the aspect ratio, R means radial construction, 17 is the wheel diameter in inches, and 110H is the service description.

That placement matters when you’re shopping online or standing in a tire store. Plenty of drivers match the size and stop there. That can lead to a tire that physically fits the wheel but does not match the load or speed category your vehicle calls for.

Why The Number Comes Before The Letter

The number always tells the load index first. Then the letter shows the speed symbol. Once you know that pattern, you can read other markings fast:

• 107T = lower load index and lower speed symbol than 110H
• 111H = slightly higher load index with the same speed symbol
• 110V = same load index with a higher speed symbol

If you want to verify the raw figures, Goodyear’s load index chart maps index numbers to pounds per tire, and Goodyear’s speed rating chart lists H as a 130 mph category.

Why 110H Matters When You Replace Tires

110H is not just trivia. It helps you avoid buying a tire that looks right but is wrong for the vehicle. Load index and speed symbol affect how the tire carries weight, handles heat, and responds at road speed.

That’s why tire makers and vehicle makers tell you to match or exceed the original service description. Dropping below the needed load index can leave you with less carrying capacity than the vehicle was built around. Dropping below the speed symbol can also change how the tire behaves under heat and sustained speed.

You’ll get the cleanest answer from the sticker on the driver’s door jamb and the owner’s manual. Those are the two places that spell out the tire spec your vehicle was set up for from the start.

Service Description	Load Per Tire	Speed Category
105H	2,039 lbs	130 mph
106H	2,094 lbs	130 mph
107T	2,149 lbs	118 mph
108H	2,205 lbs	130 mph
109H	2,271 lbs	130 mph
110H	2,337 lbs	130 mph
111H	2,403 lbs	130 mph
112V	2,469 lbs	149 mph

The pattern is easy to see once it’s laid out. As the load index climbs, the allowed load climbs with it. When the speed letter changes, the speed category changes even if the tire size stays the same.

110H Vs Other Marks On The Tire

110H is only one part of the sidewall. It does not tell you the tire width, sidewall height, wheel diameter, date code, treadwear grade, or whether the tire is extra load. You need the full sidewall line to know what you’re buying.

What 110H Does Not Tell You

• It does not tell you the tire’s size by itself.
• It does not tell you the recommended tire pressure for your vehicle.
• It does not tell you tread pattern, ride comfort, or wet grip.
• It does not overrule the vehicle’s placard.

That last point trips up a lot of people. The sidewall shows the tire’s own rating. Your vehicle sticker shows what the vehicle maker wants on that car, SUV, or truck. The placard is the one to match first.

Can You Replace A 110H Tire With Something Else?

Sometimes, yes. But the safe choice is to match what the vehicle maker calls for unless a tire shop has checked an approved alternative that still meets the needed standards.

Going Higher

A higher load index or higher speed symbol is often allowed. Say your vehicle calls for 110H and you find 111V in the same size. On paper, that tire carries more load and sits in a higher speed category. Still, that does not raise your vehicle’s own weight limit. The vehicle’s axle ratings and placard stay the same.

Going Lower

Going lower is where problems start. A tire with less load capacity than the original spec can be a poor match, especially on heavier crossovers, vans, and SUVs. A lower speed symbol can also be a poor swap unless the tire maker and vehicle maker allow it for a set use case, such as some winter tire fitments.

If you’re comparing listings online, don’t stop at the price, brand, and size. Check the service description line too. That one small code carries a lot of the answer.

Check Before Buying	What To Match	Why It Matters
Tire size	Width, aspect ratio, wheel diameter	Confirms the tire fits the wheel and clears the vehicle
Load index	110 or higher if the placard calls for it	Keeps the tire’s carrying capacity in line with the vehicle
Speed symbol	H or the approved match above it	Keeps the speed category in line with the original spec
Load type	Standard load or XL if listed	Prevents mixing tires built for different load setups
Vehicle placard	Door-jamb sticker and owner’s manual	Shows the factory tire spec and pressure settings

What To Check Before You Buy

If your current tire says 110H, start with the placard and owner’s manual, then match the full size and the service description. That keeps you from buying a tire that fits the rim but misses the load or speed target.

It also helps to check whether your tire is standard load or XL, and whether all four corners of the vehicle need the same rating. Mixing odd service descriptions can muddy the way the vehicle feels on the road.

So, when you see 110H on a sidewall, read it as a plain-language safety label: 2,337 pounds per tire, H speed category, and a spec that should line up with your vehicle’s own tire placard. Once you know that, shopping gets a lot easier.