275/75r18 In Inches – Tire Size, Rim Fitment & Best Tires

The 275/75R18 tire has an overall diameter of approximately 34.2 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 34.2×10.8R18.

275 75r18 In Inches

What does 275/75r18 Tire mean?

Understanding tire dimensions might seem like you need a PhD in rubber-ology. Fear not, we’re here to decode these mysterious numbers into plain English. We’ll translate this hieroglyphic-like code, “275/75r18,” into a table for easy understanding.

Tire NumberIts Explanation
275This is the width of the tire in millimeters. It measures the distance from one sidewall to the other. Think of it as the waist measurement of your tire.
75This is the aspect ratio, and it’s a percentage. It tells you how tall the tire’s sidewall is relative to its width. In this case, the height of the sidewall is 75% of the tire’s width.
RThis stands for Radial, which tells us the tire construction. Radial tires have layers of fabric that run radially across the tire. Don’t worry; it’s not a pop quiz. You won’t be tested on this.
18This is the wheel diameter, in inches, that the tire is designed to fit. It’s like knowing what size shoe to buy. If your wheel size is 18 inches, this is your tire!

What is 275/75r18 Tire in inches?

The metric system is fantastic, no doubt, but for those living in the land of feet and inches, it might feel like deciphering alien language. So, let’s break down the 275/75r18 tire size into good old American units.

But before we dive into the pool of measurements, let’s get a calculator. You’re going to need it.

275/75r18 in Inches and Millimeters

Ready for some number magic? Here we go!

Tire Diameter34.64 inches880 mm
Section Width10.83 inches275 mm
Rim Height18 inches457.2 mm
Sidewall Height8.13 inches206.25 mm
Circumference108.8 inches2763.3 mm
Revolutions582 revs/mile362 revs/km

A Deeper Dive into the 275/75r18 Tire Specifications

Congratulations! You’ve made it this far into our tire-size extravaganza. Now, let’s strap on our scuba gear and take a deeper dive into the specifications of the captivating 275/75r18 tire size. Trust me, it’s going to be an adventure you won’t soon forget!

Tire Width of 275/75r18 – A Perfect Balance

Picture this: your tires are the sturdy foundation on which your vehicle stands. The width of 275/75r18 tires measures a beefy 275 millimeters or approximately 10.83 inches. That’s wider than a sumo wrestler’s smile! This width ensures enhanced stability, improved grip, and a confident stance on the road. You’ll feel like you’re gliding on a cloud, except the cloud is made of pure traction and grip!

Tire Height of 275/75r18 – Reaching New Heights

Now, let’s talk about the height of our tire hero, the 275/75r18. The tire height, also known as the sidewall height, is an important factor in determining the overall diameter of the tire. For this tire size, the sidewall height is approximately 75% of the tire’s width, which means it reaches a staggering 8.13 inches or 206.25 millimeters. That’s taller than an NBA basketball player! With this height, you’ll be cruising down the highway with an air of authority and an impressive presence. No wonder heads turn when you roll by!

Sidewall Height of 275/75r18 – A Cushion of Confidence

Now, let’s zoom in on the sidewall height of the 275/75r18. This measurement represents the distance from the rim to the outer edge of the tire’s tread. With a sidewall height of 8.13 inches or 206.25 millimeters, you’ll have a cushion of confidence that absorbs road imperfections like a fluffy marshmallow mattress. Say goodbye to those pesky potholes and rough roads, because your tires will take care of you like a bodyguard taking a bullet for a celebrity!

Rim Diameter for 275/75r18 – A Perfect Match

Time to focus on the rim diameter that suits our mighty 275/75r18 tire size. Drumroll, please! The rim diameter for this tire is a harmonious 18 inches or 457.2 millimeters. It’s like finding the perfect dance partner who moves with you effortlessly across the floor. With the right rim diameter, your tires will snugly embrace the wheels, ensuring a secure fit that’s both functional and visually appealing. It’s a match made in tire heaven!

Tire Circumference of 275/75r18 – Measuring the Magic

Are you ready to measure the magic of the 275/75r18 tire? The tire circumference is like the golden lasso of Wonder Woman, encompassing the tire’s journey in one grand swoop. For this tire size, the circumference measures approximately 108.8 inches or 2763.3 millimeters. That’s enough tire to circle the Earth with laughter! Remember, this measurement determines the distance your tire covers with each revolution. So, buckle up and get ready for a wild ride!

Oh, and speaking of revolutions…

Revolutionizing Revolutions with 275/75r18

Revolutionize your understanding of revolutions with the 275/75r18 tire! This measurement tells you how many times the tire rotates to cover a certain distance. For this tire size, you can expect approximately 582 revolutions per mile (that’s quite a workout for your tires!) or 362 revolutions per kilometer. So, if you’re planning an epic road trip, now you can impress your friends with your newfound tire revolution knowledge. Who said tires can’t be educational?

FAQ’s About 275/75r18 Tire

Ah, the land of frequently asked questions! Let’s tackle some burning inquiries about the mighty 275/75r18 tire size. Buckle up, folks, because we’re about to embark on a tire-filled adventure!

What vehicles use 275/75r18 Tire?

The 275/75r18 tire size is a popular choice for a variety of vehicles that crave both style and performance. You’ll find these tires hugging the wheels of powerful trucks, robust SUVs, and even some off-road warriors. Models like the Ford F-150, Chevrolet Silverado, GMC Sierra, Jeep Wrangler, and Toyota Tundra often sport this tire size. So, if you own one of these beasts, rejoice! You’re in good company.

How many revolutions per mile does a 275/75r18 have?

Ah, revolutions per mile, the rhythm of the tire world! With the 275/75r18 tire size, you can expect around 582 tire revolutions per mile. That’s enough spinning to put even the most accomplished ballerinas to shame! So, whether you’re cruising down the highway or conquering off-road trails, your tires will be performing their own tire ballet with each mile you cover.

Price of 275/75r18 inches Tire?

Now, let’s talk about the price tag for these rubber beauties. The cost of a 275/75r18 tire can vary depending on several factors, including the brand, tire model, performance features, and where you purchase them. On average, you can expect to find a quality 275/75r18 tire ranging from around $200 to $400 per tire. Keep in mind that this is just a general estimate, and prices may fluctuate based on market conditions and individual retailers. It’s always a good idea to compare prices, read reviews, and consult with experts to find the best deal that suits both your budget and performance needs.

What kind of rim does a 275/75r18 tire fit on?

Now, let’s talk about the perfect match between tires and rims. The 275/75r18 tire size is designed to fit on a rim with an 18-inch diameter. So, if you’re in the market for new rims to go with these tires, make sure you choose ones specifically designed for an 18-inch diameter. This way, you’ll ensure a snug and secure fit, just like Cinderella’s glass slipper! Remember, the right rim will not only enhance the overall aesthetic appeal of your vehicle but also contribute to its performance and handling.

How much air should be in a 275/75r18 tire?

Ah, the tire’s breath of life – air pressure! It’s crucial to keep your tires properly inflated for optimal performance, safety, and longevity. For a 275/75r18 tire, the recommended air pressure typically falls within the range of 35 to 40 PSI (pounds per square inch). However, it’s essential to consult your vehicle’s owner’s manual or the tire manufacturer’s guidelines for the specific recommended air pressure. Remember, proper inflation keeps your tires happy and your vehicle gliding smoothly down the road.

What is a 275/75r18 equivalent to?

Ah, the world of tire equivalencies! If you’re curious about finding an equivalent tire size for your 275/75r18, we’ve got you covered. One common equivalent size for this tire is 33×10.8r18. This size maintains a similar overall diameter and width, ensuring a compatible fit and performance. However, it’s essential to consult with a tire expert or refer to your vehicle’s specifications to determine the best equivalent size if you’re considering a switch.

Comparison with Similar Tires

Now, let’s engage in some tire-to-tire combat! We’re going to compare our hero, the 275/75r18, with a few worthy opponents in the tire arena. Get ready for some tire-on-tire action!

275/75r18 vs 275/65r18 – Close but Distinct

In this corner, we have the 275/75r18, a tire size that demands attention. Its counterpart, the 275/65r18, brings its own unique characteristics to the ring. While both sizes share a similar width of 275 millimeters, the 275/75r18 boasts a taller sidewall, providing a touch more ground clearance and a beefier profile. On the other hand, the 275/65r18 offers a slightly lower sidewall, allowing for a sportier feel and improved handling. It’s a battle of proportions, where personal preferences and specific vehicle requirements play a crucial role in choosing the winner.

275/75r18 vs 275/70r18 – Splitting Hairs

In this matchup, we have two tire sizes that seem like close siblings, the 275/75r18 and the 275/70r18. With their identical width of 275 millimeters, these tires differ mainly in their aspect ratio. The 275/75r18 boasts a taller sidewall, standing at 75% of its width, while the 275/70r18 features a slightly lower sidewall, measuring 70% of its width. This means that the 275/75r18 provides a bit more ground clearance and a more rugged appearance, while the 275/70r18 leans towards a sportier look and enhanced handling. It’s a battle of subtleties, where personal taste and specific driving needs take center stage.

275/75r18 vs 285/75r18 – The Battle of Width

In this clash of the titans, we have the 275/75r18 facing off against the 285/75r18. These tire sizes share a similar aspect ratio, with the sidewall height being 75% of the tire’s width. However, the key difference lies in their width. The 285/75r18 is slightly wider than its counterpart, measuring 285 millimeters, compared to the 275 millimeters of the 275/75r18. This extra width gives the 285/75r18 a beefier footprint, potentially offering improved traction and stability. It’s a battle of inches, where the quest for optimal grip and a commanding presence takes the spotlight.

275/75r18 vs 265/65r18 – Height vs Width

In this duel, we have the 275/75r18 going head-to-head with the 265/65r18. These tire sizes present distinct differences in both width and aspect ratio. The 275/75r18 boasts a wider profile at 275 millimeters, while the 265/65r18 is slightly narrower at 265 millimeters. Additionally, the 275/75r18 features a taller sidewall, with a height of 75% of its width, while the 265/65r18 has a lower sidewall, with a height of 65% of its width. This matchup becomes a battle of preferences, where the choice between a beefier stance or a more refined look is entirely up to you.

275/75r18 vs 295/70r18 – Wide and Mighty

In this clash of giants, we have the 275/75r18 facing off against the 295/70r18. Both tire sizes offer a robust and commanding presence on the road. The 275/75r18 boasts a width of 275 millimeters and a tall sidewall, providing a balance between ruggedness and versatility. On the other hand, the 295/70r18 takes it up a notch with a wider profile at 295 millimeters, coupled with a slightly lower sidewall for improved handling. It’s a battle of width and power, where the desire for a wider footprint and an aggressive look comes into play.


After delving into the intricate world of tire sizes and specifications, it’s time to wrap up our tire-tastic journey. The 275/75r18 tire size offers a balanced blend of width and height, providing a sturdy foundation for a wide range of vehicles, from trucks to SUVs. Its impressive sidewall height and overall diameter make it a go-to choice for those seeking enhanced ground clearance and a rugged appearance.

However, tire selection ultimately depends on individual preferences, specific vehicle requirements, and driving conditions. Whether you opt for the 275/75r18 or one of its close rivals, make sure to consider factors such as traction, handling, ride comfort, and overall performance.

Remember, your tires are the unsung heroes of your vehicle, carrying you safely on countless journeys. So, choose wisely, and may your tire adventures be filled with excitement, laughter, and smooth rides!