275/70r18 In Inches – Tire Size, Rim Fitment & Best Tires

The 275/70R18 tire has an overall diameter of approximately 33.2 inches, a section width of roughly 10.8 inches, and is designed to be mounted on an 18-inch diameter rim. The equivalent tire size in the high flotation system is 33.2×10.8R18.

275/70r18 In Inches

What does 275/70r18 Tire mean?

Let’s start with a breakdown of what each number and letter in the tire size actually means.

Tire NumberIts Explanation
275This is the width of the tire in millimeters. Known as the section width, it’s the distance from sidewall to sidewall. Basically, this is your tire’s ‘waist measurement’ if it were shopping for a pair of jeans.
70This is the aspect ratio of the tire, and it’s expressed as a percentage. It’s the height of the sidewall as a percentage of the section width. Here, 70 means the tire’s height is 70% of its width. Like saying your tire enjoys a balanced diet and isn’t overly fond of super-size meals.
RThis stands for Radial, indicating the tire’s construction. Radial means the internal ply cords are radially aligned, running perpendicular to the direction of travel. Your tire, just like you, appreciates good structure and support.
18This is the wheel diameter, measured in inches. It tells you the size of the wheel that the tire is intended to fit. It’s like the shoe size for your car’s fabulous footwear.

What is 275/70r18 Tire in inches?

In the world of tires, measurements can bounce between the metric and imperial system like a rubber ball in a squash court. Let’s crunch those numbers and convert 275/70r18 into inches.

275/70r18 in inches and Millimeters

Here, we’ve translated the tire size from metric to imperial and rounded off to the nearest decimal for simplicity.

Tire Diameter33.2 inches843 mm
Section Width10.8 inches275 mm
Rim Height18 inches457.2 mm
Sidewall Height7.6 inches192.5 mm
Circumference104.3 inches2649.7 mm
Revolutions~605 revs/mile~376 revs/km

A Deeper Dive into the 275/70r18 Tire Specifications

Now that we’ve covered the basics, let’s dig deeper into the fascinating world of the 275/70r18 tire. Prepare to have your mind blown as we explore its width, height, sidewall height, rim diameter, and even its circumference. Trust me, this is going to be tire-iffic!

Tire Width of 275/70r18

First things first, let’s talk about the width of this magnificent piece of rubber. The 275 in the tire size represents the width of the tire in millimeters. Clocking in at 275 mm, this bad boy is wider than a sumo wrestler’s belt! With such a broad base, it’s ready to tackle whatever comes its way, be it mud, gravel, or those pesky potholes that seem to appear out of nowhere.

Tire Height of 275/70r18

Next up, let’s explore the height of this tire. The 70 in the tire size refers to the aspect ratio, which is the height of the tire’s sidewall as a percentage of its width. In the case of the 275/70r18, the sidewall height is 70% of the tire’s width. That means this tire has a sidewall that’s as resilient as a superhero, providing a comfortable ride while still maintaining enough strength to handle the toughest road conditions.

Sidewall Height of 275/70r18

Now, let’s zoom in on the sidewall height itself. For the 275/70r18 tire, the sidewall stands tall at 7.6 inches (192.5 mm). It’s like the armor that protects the tire from the daily onslaught of bumps and bruises. Think of it as a shield, shielding your tire from the perils of the road and giving you peace of mind as you conquer new terrains.

Rim Diameter for 275/70r18

Ah, the rim diameter! This is where the tire meets its true match – the wheel. In the case of the 275/70r18 tire, it pairs perfectly with an 18-inch wheel. Picture it like a couple on a dance floor, gliding gracefully together as they navigate the twists and turns of the road. With this ideal pairing, you can be confident that your tire and wheel will harmonize beautifully, ensuring a smooth and enjoyable ride.

Tire Circumference of 275/70r18

Last but definitely not least, let’s talk about the tire’s circumference. The circumference represents the distance around the outer edge of the tire. For the 275/70r18, the circumference measures approximately 104.3 inches (2649.7 mm). That’s like wrapping a measuring tape around your tire and discovering the secret to its perfect roundness. With this knowledge, you can calculate revolutions per mile or kilometer, giving you a deeper understanding of how your tire performs on the road.

What are the best 275/70r18 tires?

When it comes to choosing the best tires for your trusty vehicle, you want nothing but the crème de la crème. Well, fear not, because we’ve done the legwork for you and handpicked some of the top contenders in the 275/70r18 category. So, without further ado, let’s dive into our carefully curated selection of the finest rubber companions out there!

1 – GOODYEAR Wrangler DuraTrac – LT275/70R18 125R

Description: The GOODYEAR Wrangler DuraTrac is a true beast when it comes to conquering both on and off-road terrains. With its aggressive tread design, this tire delivers exceptional traction in all conditions, from muddy trails to snowy highways. It boasts a tough construction that can withstand the harshest challenges, ensuring durability and longevity for your adventures.

Key Features:

  • Aggressive tread pattern for enhanced off-road capability
  • Traction-enhancing technology for superior grip on various surfaces
  • Durable construction for long-lasting performance
  • Excellent self-cleaning properties to maintain traction in muddy conditions
  • Snowflake symbol for winter weather traction


  • Outstanding off-road traction
  • Impressive durability
  • Suitable for all-season use
  • Great self-cleaning ability
  • Reliable performance in winter conditions


  • Slightly noisy on paved roads
  • Limited availability of larger sizes

Final Recommendation: If you’re seeking a tire that can tackle any challenge you throw its way, the GOODYEAR Wrangler DuraTrac is an excellent choice. With its exceptional off-road performance, durability, and winter weather capabilities, this tire is a true champion in the 275/70r18 category.

2 – Cooper Discoverer AT3 XLT All-Season LT275/70R18

Description: The Cooper Discoverer AT3 XLT is a versatile all-season tire that offers a balanced combination of on-road comfort and off-road prowess. Its aggressive tread pattern provides excellent traction on various surfaces, while the tire’s durable construction ensures longevity and reliability. With its ability to handle different terrains and weather conditions, the Cooper Discoverer AT3 XLT is a reliable companion for your daily drives and weekend adventures.

Key Features:

  • Aggressive shoulder design for enhanced off-road traction
  • Silica-based tread compound for improved grip in wet conditions
  • Stone ejector ribs to prevent gravel retention
  • Cut-and-chip resistant compound for increased durability
  • Snowflake symbol for winter weather performance


  • Versatile performance on and off-road
  • Solid wet traction
  • Good resistance to gravel retention
  • Durable and long-lasting
  • Capable in winter conditions


  • Slightly stiffer ride compared to some competitors
  • Moderate road noise on certain surfaces

Final Recommendation: For a well-rounded tire that strikes a balance between on-road comfort and off-road capability, the Cooper Discoverer AT3 XLT is a top contender. With its versatility, durability, and reliable performance in various weather conditions, it’s a reliable choice for your 275/70r18 needs.

3 – GT Radial Adventuro AT3 LT275/70R18

Description: The GT Radial Adventuro AT3 is a tire designed to provide dependable performance both on and off the beaten path. Its aggressive tread pattern, coupled with large shoulder blocks, delivers excellent traction in challenging terrains. With its durable construction and reliable all-season performance, this tire is ready to tackle your adventurous spirit.

Key Features:

  • Aggressive tread pattern for enhanced off-road grip
  • Cut-and-chip resistant compound for increased durability
  • Siping technology for improved wet traction
  • Reinforced sidewall for extra protection against impacts
  • M+S (Mud and Snow) rated for all-season performance


  • Solid off-road traction
  • Good wet traction capabilities
  • Enhanced durability
  • Reinforced sidewalls for added protection
  • Suitable for all-season use


  • Road noise can be noticeable at higher speeds
  • Limited availability in some markets

Final Recommendation: If you’re seeking a reliable tire that can handle both on and off-road adventures, the GT Radial Adventuro AT3 is a solid choice. With its strong off-road performance, durability, and dependable all-season capabilities, this tire will keep you rolling through various terrains with confidence.

4 – Ironman All Country A/T – LT275/70R18 125Q

Description: The Ironman All Country A/T is a tire designed to provide versatility and durability for light trucks and SUVs. Its aggressive all-terrain tread pattern offers excellent traction in off-road conditions while maintaining a comfortable and quiet ride on paved roads. With its rugged construction and reliable performance, this tire is a worthy companion for your everyday adventures.

Key Features:

  • Aggressive tread pattern with open shoulder design for off-road grip
  • Silica-infused compound for improved wet traction and longevity
  • Variable density nylon technology for enhanced durability
  • Reinforced sidewalls for added strength and protection
  • M+S (Mud and Snow) rated for all-season performance


  • Strong off-road traction
  • Solid wet traction capabilities
  • Durable and long-lasting
  • Comfortable and quiet on paved roads
  • Suitable for all-season use


  • Tread life could be slightly shorter compared to some competitors
  • Limited availability in certain markets

Final Recommendation: If you’re looking for a reliable all-terrain tire that can handle a variety of road conditions, the Ironman All Country A/T is a solid choice. With its off-road capabilities, durability, and comfortable on-road performance, this tire will be a reliable companion for your light truck or SUV.

5 – Thunderer Trac Grip M/T R408 All-Terrain Radial Tire – 275/70R18 125Q

Description: The Thunderer Trac Grip M/T R408 is a tire built to conquer the toughest off-road challenges. With its aggressive mud-terrain tread pattern and robust construction, this tire offers exceptional traction in challenging terrains. It’s designed to tackle mud, rocks, and uneven surfaces with ease, making it a favorite among off-road enthusiasts.

Key Features:

  • Aggressive mud-terrain tread pattern for maximum off-road traction
  • Reinforced sidewalls for added durability and puncture resistance
  • Staggered shoulder blocks for enhanced grip in challenging conditions
  • Cut-and-chip resistant compound for increased longevity
  • M+S (Mud and Snow) rated for all-season performance


  • Excellent off-road traction
  • High durability and puncture resistance
  • Aggressive appearance
  • Suitable for all-season use
  • Great value for the price


  • Slightly noisier on paved roads
  • Tread wear may be quicker on regular road surfaces

Final Recommendation: If you’re a true off-road enthusiast seeking a tire that can handle the gnarliest terrains, the Thunderer Trac Grip M/T R408 is an outstanding choice. With its exceptional off-road traction, durability, and all-season performance, this tire will take you places others fear to tread.

FAQ’s About 275/70r18 Tire

You’ve got questions, and we’ve got answers! We understand that choosing the right tire size can be overwhelming, so we’re here to clear up any confusion you may have about the magnificent 275/70r18 tire. Strap in and get ready for some tire talk!

What vehicles use 275/70r18 Tire?

The 275/70r18 tire size is commonly found on a variety of vehicles, especially trucks, SUVs, and off-road enthusiasts’ favorite rides. You’ll often spot this size on popular models like the Ford F-150, Chevrolet Silverado, Ram 1500, Toyota Tundra, and Jeep Wrangler. So, whether you’re looking to upgrade your truck’s off-road capabilities or enhance the ruggedness of your SUV, the 275/70r18 tire is a popular choice among vehicle owners.

How many revolutions per mile does a 275/70r18 have?

The number of revolutions a tire completes in a mile can vary slightly depending on factors like tire pressure, load, and road conditions. On average, a 275/70r18 tire completes approximately 605 revolutions per mile. This figure may fluctuate slightly based on specific tire models and other external factors, but it provides a good estimate for your reference.

Price of 275/70r18 inches Tire?

Ah, the million-dollar question – or maybe just a few hundred dollars! The price of a 275/70r18 tire can vary depending on the brand, model, and features it offers. On average, you can expect to find tires in this size range starting from around $150 and going up to $300 or more per tire. Keep in mind that prices can fluctuate based on factors such as tire performance, tread pattern, durability, and brand reputation. It’s always a good idea to do your research and compare prices to find the best deal that suits your needs and budget.

What kind of rim does a 275/70r18 tire fit on?

A tire of size 275/70r18 is designed to fit on an 18-inch rim diameter. This means that if you have a vehicle with factory-fitted or aftermarket 18-inch wheels, the 275/70r18 tire size will be a perfect match. It’s important to ensure that the rim width and offset are within the manufacturer’s recommended specifications for the tire size to ensure proper fitment and optimal performance.

How much air should be in a 275/70r18?

Proper tire inflation is crucial for optimal performance, safety, and longevity. The recommended tire pressure for a 275/70r18 tire can vary depending on the vehicle and specific tire model. However, as a general guideline, it’s recommended to check the vehicle owner’s manual or the tire manufacturer’s specifications for the precise tire pressure information. In most cases, you can find the recommended tire pressure listed on a sticker located on the driver’s side door jamb or inside the fuel filler flap. Maintaining the proper tire pressure is essential for achieving even tread wear, fuel efficiency, and handling performance.

What is a 275/70r18 equivalent to?

If you’re looking for an equivalent tire size to the 275/70r18, you may come across alternative sizes that offer similar overall dimensions and performance characteristics. One commonly found equivalent size is 265/70r18. While there may be slight differences in width and sidewall height, the 265/70r18 tire maintains a similar overall diameter, ensuring comparable performance and fitment. However, it’s important to note that tire size changes can affect speedometer accuracy and vehicle handling, so it’s recommended to consult with a tire professional or refer to manufacturer guidelines before making any substitutions.

Comparison with Similar Tires

Let’s dive into some tire-to-tire showdowns! We’re going to compare the illustrious 275/70r18 tire with various similar sizes. Buckle up and get ready for some tire talk!

275/70r18 vs 275/65r18

The 275/70r18 and 275/65r18 tire sizes are quite close in terms of width and diameter. The main difference lies in the aspect ratio, with the 275/70r18 having a higher sidewall height. This results in a slightly taller tire that offers enhanced off-road capabilities and a more rugged look. If you’re looking for that extra ground clearance and a beefier appearance, the 275/70r18 is the way to go.

275/70r18 vs 285/65r18

The 275/70r18 and 285/65r18 tire sizes offer similar overall diameters but differ in width and aspect ratio. The 285/65r18 tire is wider and has a lower sidewall height compared to the 275/70r18. This translates to a more aggressive look and improved handling on paved roads. If you prioritize a sportier appearance and precise on-road performance, the 285/65r18 might be your tire of choice.

275/70r18 vs 295/70r18

Here we have a clash of titans! The 275/70r18 and 295/70r18 tire sizes are both wide and rugged. The 295/70r18, however, takes it up a notch with its increased width and taller sidewall height. This means even more traction and off-road prowess. If you’re a true adventurer and demand maximum traction in the toughest conditions, the 295/70r18 is ready to tackle any obstacle.

275/70r18 vs 285/75r18

In this battle, we’re comparing the 275/70r18 and 285/75r18 tire sizes. The 285/75r18 is wider and taller, offering even more ground clearance and an imposing presence. With its robust build and larger contact patch, it excels in off-road situations. If you’re planning on venturing into the great outdoors and desire that extra capability, the 285/75r18 is a formidable choice.

275/70r18 vs 285/70r18

The 275/70r18 and 285/70r18 tire sizes are closely matched in terms of width and diameter. The main difference lies in the aspect ratio, with the 285/70r18 having a lower sidewall height. This results in a wider tire that offers enhanced stability and improved cornering performance on paved roads. If you’re looking to maximize your vehicle’s grip and sporty handling, the 285/70r18 might be the tire for you.

275/70r18 vs 35×12.50r18

In this comparison, we pit the 275/70r18 against the mighty 35×12.50r18 tire size. The 35×12.50r18 is wider and taller, giving your vehicle an aggressive and imposing look. It excels in off-road adventures, providing exceptional traction and ground clearance. However, it’s important to note that the 35×12.50r18 may require modifications to your vehicle’s suspension and fender clearance. If you’re seeking the ultimate off-road setup and are willing to make the necessary adjustments, the 35×12.50r18 is the tire to go big with.

275/70r18 vs 265/70r18

Here we have a matchup between the 275/70r18 and the 265/70r18 tire sizes. The 275/70r18 is slightly wider and has a taller sidewall compared to the 265/70r18. This translates to a more robust appearance and enhanced off-road capabilities. If you’re looking for that extra toughness and ground clearance, the 275/70r18 is the way to roll.

275/70r18 vs 285/70r17

In this duel, we compare the 275/70r18 with the 285/70r17 tire size. The 275/70r18 is taller and wider than the 285/70r17, offering more ground clearance and a more commanding presence. If you’re after that rugged look and desire extra off-road capability, the 275/70r18 is the tire that will take you to new heights.

275/70r18 vs 275/60r20

Now, let’s pit the 275/70r18 against the 275/60r20 tire size. The 275/70r18 has a taller sidewall and offers a higher aspect ratio, making it better suited for off-road adventures and providing a more rugged appearance. On the other hand, the 275/60r20 offers a lower sidewall and is optimized for on-road performance and a sportier look. The choice depends on your preferences and the type of driving you’ll be doing.

275/70r18 vs 265/65r18

In this comparison, we match up the 275/70r18 with the 265/65r18 tire size. The 275/70r18 is wider and taller, providing extra ground clearance and a more robust aesthetic. The 265/65r18 offers a slightly narrower profile and lower sidewall, prioritizing on-road performance and a smoother ride. Choose based on whether you’re seeking a rugged off-road tire or a comfortable on-road performer.


After a deep dive into the world of 275/70r18 tires, it’s time for a simple and straightforward conclusion. With its wide range of options, this tire size caters to off-road enthusiasts, truck owners, and adventure seekers alike. Whether you choose the rugged and capable GOODYEAR Wrangler DuraTrac, the versatile Cooper Discoverer AT3 XLT, the dependable GT Radial Adventuro AT3, the robust Ironman All Country A/T, or the off-road beast Thunderer Trac Grip M/T R408, you can’t go wrong with a 275/70r18 tire.

Consider your driving needs, preferences, and budget to make the best choice for your vehicle. Remember, a great tire is not just about its size but also its performance, durability, and suitability for your specific adventures. So, go forth with confidence, knowing that your trusty 275/70r18 tire will keep you rolling smoothly and stylishly on whatever path you choose. Safe travels!