245/75R17 in Inches: Dimensions, Performance & Best Models

The 245/75R17 tire measures 31.5 inches (800 mm) in diameter, 9.6 inches (245 mm) in width, and fits a 17-inch (431.8 mm) rim. With a 7.2-inch (184 mm) sidewall and 98.9-inch (2512 mm) circumference, it makes about 641 revolutions per mile. 

Common on trucks, SUVs, and off-road vehicles, this size balances durability, traction, and comfort for both highway and rugged terrain driving. You can learn more about different tire sizes here.

Key Specifications: 245/75R17 In Inches & Metric

The 245/75R17 tire size is widely used in light trucks, SUVs, and off-road vehicles, providing a balanced mix of comfort and durability. Below is a table that showcases the key specifications of this tire.

This table provides a quick snapshot of the 245/75R17 tire’s dimensions and key measurements, all of which play a vital role in the tire’s performance on different road conditions.

What Does 245/75R17 Mean?

The size 245/75R17 can look a bit complex at first glance, but it’s quite straightforward once broken down. Here’s a quick guide to understanding the components of this tire size:

• 245: This represents the tire’s width in millimeters, specifically 245 mm, or 9.6 inches.
  
• 75: This is the aspect ratio, indicating that the tire’s sidewall height is 75% of the tire’s width. In this case, the sidewall height is 7.2 inches.
  
• R: The “R” stands for radial construction, which is the most common tire construction type today, providing better durability and handling.
  
• 17: This number refers to the diameter of the wheel rim the tire fits, which is 17 inches.
  

With these numbers, you get a tire that offers a balanced performance, great for off-road vehicles and those that need reliable handling on highways and rough terrain alike.

How to Convert 245/75R17 into Inches

To convert the tire dimensions from millimeters to inches, follow this simple method:

1. Width: Convert 245 mm to inches by dividing by 25.4 (since there are 25.4 millimeters in an inch).
   245÷25.4=9.6inches245 ÷ 25.4 = 9.6 inches
   
2. Sidewall Height: Multiply the width in inches (9.6 inches) by the aspect ratio (0.75).
   9.6×0.75=7.2inches9.6 × 0.75 = 7.2 inches
   
3. Wheel Diameter: The wheel diameter is already given as 17 inches, so no conversion is needed.
   

This method confirms the tire’s width, sidewall height, and wheel diameter in inches, aligning with the specifications of 9.6 inches, 7.2 inches, and 17 inches, respectively.

245/75R17 vs Other Tire Sizes: How It Compares

When choosing the right tire size for your vehicle, it’s helpful to compare 245/75R17 with other popular sizes to understand differences in performance, ride comfort, and fuel efficiency. Below is a comparison of the 245/75R17 tire against two common alternatives: 265/70R17 and 285/70R17.

245/75R17 vs 265/70R17

Key Takeaways:

• 265/70R17 offers a slightly taller sidewall, improving off-road performance with better grip.
  
• 245/75R17 provides a better balance for highway driving and better fuel efficiency.
  

245/75R17 vs 285/70R17

Key Takeaways:

• 285/70R17 is wider and has a taller sidewall, offering superior off-road performance but at the cost of reduced fuel efficiency.
  
• 245/75R17 remains more efficient and offers a better ride for on-road driving.

Best Vehicles for 245/75R17 Tires

245/75R17 tires are most commonly found on larger vehicles like:

• Light Trucks: Trucks designed for both on-road and off-road use.
  
• SUVs: Ideal for sport utility vehicles that require versatility in handling both paved roads and rugged terrains.
  
• Crossovers: Vehicles with higher ground clearance that occasionally venture off the beaten path.
  

These tires are excellent for Jeep, Toyota Tacoma, Ford F-150, and similar models where off-road adventures are a regular part of the driving experience.

Different Types of 245/75R17 Tires

The 245/75R17 tire size is available in several types, each tailored to specific driving needs. Here’s a quick look at the common options:

• All-Terrain Tires: Ideal for both on-road comfort and off-road capability. Provides good traction on various surfaces.
  
• Mud-Terrain Tires: Best for extreme off-roading, offering superior grip on muddy, rocky, and uneven surfaces.
  
• Highway Terrain Tires: Designed for mostly on-road driving, offering a smooth, quiet ride and better fuel efficiency.
  
• All-Season Tires: Versatile for all weather conditions, balancing performance across wet, dry, and light snow.
  
• Winter Tires: Designed for cold, snowy, and icy conditions, providing optimal grip in winter weather.

Best 245/75R17 Tire Models and Brands:

When it comes to 245/75R17 tires, several top tire brands offer high-quality options that deliver a perfect balance of performance, durability, and off-road capability. Whether you need tires for daily driving or rugged off-road adventures, here are some of the best brands and models for this size:

• Goodyear Wrangler All-Terrain Adventure with Kevlar
  Known for its durability, this tire is ideal for both off-road and on-road driving, with added strength from Kevlar reinforcement.
  
• BFGoodrich All-Terrain T/A KO2
  A popular choice for off-road enthusiasts, this tire excels in tough conditions such as mud, snow, and gravel, offering superior traction and durability.
  
• Michelin LTX A/T2
  Perfect for all-terrain use, it provides excellent on-road comfort and longevity, making it a top pick for light trucks and SUVs.
  
• Toyo Open Country A/T II
  This tire offers a strong off-road performance with great on-road handling, delivering reliable traction in various weather conditions.
  
• Nitto Terra Grappler G2
  Known for its all-season versatility, the Terra Grappler G2 offers great wet and dry traction, along with a smooth, quiet highway ride.
  
• Falken Wildpeak A/T3W
  Built for all-terrain conditions, the Wildpeak A/T3W delivers exceptional traction, especially in winter conditions, and is known for its long tread life.
  

These tires provide excellent performance, whether you’re driving through rough terrains or seeking a smooth highway ride, making them top choices for vehicles that require 245/75R17 tires.

For additional details on tire repair, feel free to explore our tire repair services.

FAQs

Q. What does 245/75R17 mean? 

The 245/75R17 represents the tire’s width (245 mm), sidewall height (75% of the width), and rim diameter (17 inches). It’s a common size for trucks and SUVs.

Q. How tall is a 245/75R17 tire in inches? 

A 245/75R17 tire has an overall diameter of 31.5 inches (800 mm), making it suitable for off-road and highway driving.

Q. What is the sidewall height of a 245/75R17 tire? 

The sidewall height is 7.2 inches (184 mm), calculated as 75% of the tire’s width (9.6 inches).

Q. How many revolutions does a 245/75R17 tire make per mile? 

A 245/75R17 tire completes approximately 641 revolutions per mile (398 per kilometer), which affects speed and fuel efficiency.