315/70r17 In Inches – Tire Size, Rim Fitment & Best Tires

The 315/70R17 tire has an overall diameter of approximately 34.4 inches, a section width of roughly 12.4 inches, and is designed to be mounted on a 17-inch diameter rim. The equivalent tire size in the high flotation system is 34.4×12.4R17.

315 70r17 in inches

What does 315/70r17 Tire mean?

Let’s decipher this little code, ‘315/70r17’. It’s kind of like cracking the Da Vinci code, but for tires. Here’s a handy table to help you understand:

Tire NumberIts Explanation
315This is the tire’s width in millimeters. It’s the distance from one sidewall to the other. Basically, the broadness of your tire’s footprint.
70This is the tire’s aspect ratio, which is the height of the sidewall as a percentage of the tire’s width. So a 70 means the height is 70% of 315mm.
RThis stands for Radial, which is the type of tire construction. Radial tires have layers of fabric with cords running at right angles to the circumference of the tire, providing superior strength and flexibility.
17This is the wheel diameter in inches. It’s the size of the wheel that the tire is intended to fit. So, in this case, you’d need a 17-inch wheel.

What is 315/70r17 Tire in inches?

Now that we’ve deciphered our tire code, we’re about to delve into some measurement conversions. Brace yourself, we’re about to venture into the wild lands of metric to imperial conversion! Don’t worry, though; it’s not as terrifying as it sounds. We won’t let any metric wolves bite you.

Here’s a conversion table for 315/70r17:

Tire Diameter34.36″873 mm
Section Width12.4″315 mm
Rim Diameter17″431.8 mm
Sidewall Height8.68″220.5 mm
Circumference107.9″2740 mm
Revolutions per Mile591N/A

What does this mean for you and your vehicle?

Now that we’ve made sense of 315/70r17 in inches and millimeters, what does it all mean for you? Well, firstly, it’s a hefty size of a tire, often seen on larger vehicles like trucks or SUVs. The larger diameter and width provide a wider footprint for better traction and stability, especially in off-road conditions. The sidewall height also contributes to a comfortable ride by absorbing shocks from road imperfections.

However, it’s not just about the size; it’s also about the fit. Fitting the wrong size of tire on your vehicle can be like wearing a cowboy boot on the wrong foot – it just won’t ride right. So make sure 315/70r17 is the right size for your vehicle before you go on your next adventure.

Tire Width of 315/70r17

In our tire code, the 315 represents the tire width. But what does this mean in the land of the free and the home of inches? Well, hold onto your cowboy hats because 315 mm equates to a smidge over 12.4 inches. That’s roughly the same width as a standard sheet of printer paper. Imagine that, your tire is as wide as your office reports! So, with that kind of width, your vehicle won’t be a shrinking violet in the parking lot, that’s for sure.

Tire Height of 315/70r17

The 70 in our tire code, remember, refers to the aspect ratio of the tire. This number represents the height of the tire as a percentage of the width. So, the height of our tire is 70% of 315 mm, which equals 220.5 mm, or around 8.68 inches. That’s nearly as tall as a standard bowling pin.

Sidewall Height of 315/70r17

With a tire aspect ratio of 70, the sidewall height, the distance from the rim to the tread, is 70% of the tire width, which is around 8.68 inches. A tire with a higher sidewall will generally provide a smoother ride and better off-road performance. It’s like your vehicle’s own personal suspension system!

Rim Diameter for 315/70r17

The ’17’ in our tire code is the rim diameter in inches. The rim is the inner part of the wheel that supports the tire. In this case, your tire will fit a wheel that is 17 inches in diameter. That’s like the size of an extra-large pizza, folks! You might not think about your rims much, but they play a crucial role in your tire performance, so don’t overlook them.

Tire Circumference of 315/70r17

The circumference of our 315/70r17 tire is an impressive 107.9 inches or 2740 mm. That’s almost three times the length of a baseball bat! This number is critical when it comes to understanding how many times your tire needs to rotate to cover a mile. With a tire of this size, it would need to revolve around 591 times to cover a mile.

What are the best 315/70r17 tires?

Choosing the best tires for your vehicle is much like choosing the best hat for a cowboy. It needs to fit right, look good, and most importantly, it needs to handle whatever you throw at it. Let’s take a look at some top 315/70r17 tire options that will make your vehicle stand tall and proud.

1 – BFGoodrich All Terrain T/A KO2 Tire 315/70R17

This is the tire equivalent of a well-oiled six-shooter in a wild west duel. With its advanced tread design and exceptional all-terrain performance, it provides outstanding traction on all surfaces, including mud and snow. It’s tough, durable, and ready to tackle any off-road challenge.

Key Features

  • Tough sidewalls for puncture resistance.
  • Serrated shoulder design to enhance mud and snow traction.
  • Longer tread life on and off-road.


  • Excellent all-terrain performance.
  • Strong and durable construction.
  • Good handling in various conditions.


  • Road noise is a little high.
  • Can be on the pricier side.

2 – Thunderer Trac Grip M/T R408 All-Season Radial Tire – 315/70R17

Like a trusty lasso, this tire grabs onto the road, whether it’s dry, wet, or snowy. The Thunderer Trac Grip is a great all-season option, providing solid performance on highways and city streets, but isn’t afraid to get a little muddy in off-road conditions.

Key Features

  • Large tread blocks for enhanced traction.
  • Wide evacuation channels for improved wet performance.
  • Reinforced sidewalls for durability.


  • Reliable all-season performance.
  • Quiet and comfortable ride.
  • Good value for money.


  • Tread life could be better.
  • Off-road performance is adequate but not exceptional.

3 – Nitto Ridge Grappler All-Terrain Radial Tire – LT315/70R17 121Q

The Nitto Ridge Grappler is like your trusty cowboy boot; rugged, reliable, and made for hard work. It blends the best of mud-terrain and all-terrain capabilities, resulting in a tire that handles beautifully on the highway while still being able to kick up some dirt off-road.

Key Features

  • Dual sidewall designs for customization.
  • Stone ejector ridges to prevent stone drilling.
  • Shoulder grooves to enhance off-road grip.


  • Quiet and smooth ride.
  • Exceptional off-road capabilities.
  • Good wet and dry traction.


  • Price is higher than some competitors.
  • Might need more frequent rotations.

Final Recommendation

Choosing the best tire ultimately depends on your specific needs. The BFGoodrich is perfect for those needing rugged durability and excellent all-terrain capabilities. If you’re looking for a reliable all-season tire at a reasonable price, the Thunderer Trac Grip is a fantastic option. And for those wanting a quiet and comfortable ride without compromising off-road performance, the Nitto Ridge Grappler is your best bet.

FAQ’s About 315/70r17 Tire

Ah, the land of frequently asked questions, where curious minds seek answers like cowboys searching for gold nuggets. Fear not, fellow adventurers! We’ve rounded up some common inquiries about the legendary 315/70r17 tire, and we’re here to satisfy your thirst for knowledge. So, strap on your spurs and let’s ride!

What vehicles use 315/70r17 Tire?

Well, partner, the 315/70r17 tire size is quite the popular choice for those seeking a tire that can handle the rugged trails of the wild outdoors. You’ll often find this tire adorning the muscular frames of trucks, pickups, and SUVs. It’s the tire of choice for off-road enthusiasts who crave both style and performance. So, if you own a beast of a vehicle and want to conquer any terrain that comes your way, the 315/70r17 is your trusty sidekick.

How many revolutions per mile does a 315/70r17 have?

Ah, revolutions per mile, the rhythmic beats of the tire’s journey. With the 315/70r17 tire, you can expect it to dance to the tune of approximately 591 revolutions per mile. That’s a whole lot of spinning, my friends! So, buckle up and enjoy the ride as your tires work their magic to keep you rolling forward.

Price of 315/70r17 inches Tire?

Now, let’s talk business, my savvy shoppers. The price of a 315/70r17 tire can vary depending on the brand, quality, and specific features. On average, you can expect to invest anywhere from $200 to $400 per tire. Remember, though, quality is key when it comes to tires. It’s like investing in a sturdy saddle for your horse—it may cost a bit more upfront, but it’ll serve you well for the long haul.

What kind of rim does a 315/70r17 tire fit on?

Ah, the rim—the unsung hero that holds your tire in place. The 315/70r17 tire is designed to fit a 17-inch diameter rim. So, whether you have a steel rim, an alloy rim, or even a fancy custom rim, as long as it’s 17 inches in diameter, your tire will snugly fit like a well-worn cowboy boot.

How much air should be in 315/70r17?

Ah, the age-old question of tire pressure, my diligent air-fillers. For the 315/70r17 tire, the recommended tire pressure typically falls between 35 to 40 PSI (pounds per square inch). But remember, partner, it’s always a good idea to consult your vehicle’s owner’s manual or the tire manufacturer’s recommendations for precise details. Keeping the right amount of air in your tires ensures optimal performance and a smooth, comfortable ride.

What is a 315/70r17 equivalent to?

Ah, the quest for tire size alternatives, my inquisitive adventurers. The 315/70r17 tire is equivalent to its metric sibling, the LT315/70R17 tire. These two tires share the same physical dimensions and are interchangeable, so don’t you worry, pardner—if you can’t find one, the other will be your trusty substitute.

Comparison with similar tires

Now, let’s saddle up for a tire showdown! We’re pitting the mighty 315/70r17 against a range of similar tire sizes to see how they measure up. Get ready for some tire-talk throwdown!

315/70r17 vs 35×12.50r17

These two tire sizes are like two gunslingers squaring off at high noon. The 315/70r17 boasts a wider footprint, offering more stability and traction. On the other hand, the 35×12.50r17 takes the crown in terms of clearance and maneuverability. Choose the 315/70r17 for a robust, aggressive look, and opt for the 35×12.50r17 if nimbleness is your priority.

315/70r17 vs 285/75r17

In this tire showdown, it’s a tale of height versus width. The 315/70r17 takes the win in terms of width, providing a broader contact patch for increased stability. On the other hand, the 285/75r17 boasts a taller sidewall, offering enhanced ride comfort and protection against sidewall damage. It all comes down to your priorities—width or height.

315/70r17 vs 37×12.50r17

Prepare for an off-road brawl! The 315/70r17 and the 37×12.50r17 are both beefy tires built for the trails. The 37×12.50r17 takes the prize for sheer size and off-road capabilities, but keep in mind that it may require modifications to your vehicle. The 315/70r17 strikes a balance between on-road comfort and off-road performance. Choose the 37×12.50r17 for extreme off-roading and the 315/70r17 for a versatile, everyday tire.

315/70r17 vs 265/70r17

Now, this is a matchup of size and practicality. The 315/70r17 offers a wider stance, providing better traction and stability. The 265/70r17, on the other hand, offers a more fuel-efficient and comfortable ride. Choose the 315/70r17 for off-road adventures and a muscular look, and opt for the 265/70r17 for everyday driving and a smoother ride.

315/70r17 vs 33×12.50r17

In this showdown, it’s all about clearance and agility. The 315/70r17 wins in terms of width and stability, making it a great choice for rugged off-roading. Meanwhile, the 33×12.50r17 takes the crown for increased clearance and maneuverability, perfect for tight trails and rock crawling. Choose the 315/70r17 for a bold, aggressive stance, and opt for the 33×12.50r17 for nimble off-road maneuvers.

315/70r17 vs 305/70r17

It’s a clash of the titans! Both the 315/70r17 and the 305/70r17 are similar in size, but the 315/70r17 offers a slightly wider footprint, providing increased stability and off-road capabilities. However, the 305/70r17 offers a smoother ride and better fuel efficiency. Choose the 315/70r17 for a bolder look and off-road performance, and opt for the 305/70r17 for everyday driving comfort.

315/70r17 vs 295/70r17

In this tire tussle, it’s all about width and versatility. The 315/70r17 and the 295/70r17 are both wide tires that offer stability and off-road capabilities. The 315/70r17 takes the crown with a broader contact patch, providing enhanced traction. However, the 295/70r17 offers a smoother ride and better fuel efficiency. Choose the 315/70r17 for aggressive off-roading and the 295/70r17 for a comfortable, everyday tire.

315/70r17 vs 315/75r17

It’s a sibling rivalry! The 315/70r17 and the 315/75r17 are like two peas in a pod, with slight differences in height. The 315/75r17 offers a taller sidewall, providing extra cushioning and protection against off-road obstacles. Meanwhile, the 315/70r17 boasts a wider footprint, offering improved stability and aggressive looks. Choose the 315/70r17 for a broader stance, and opt for the 315/75r17 if you prefer a taller sidewall for off-road adventures.


After our tire exploration, it’s time to don our conclusion hat and deliver the final verdict. The 315/70r17 tire size emerges as a formidable choice for those seeking a balance between on-road comfort and off-road performance. With its wide footprint, it provides stability, traction, and a muscular appearance that turns heads on and off the beaten path.

So, whether you’re tackling rugged terrains or cruising down the highway, the 315/70r17 is a versatile companion that won’t let you down. It’s time to gear up, hit the road, and let your tires do the talking—because with the 315/70r17, you’re ready for any adventure that comes your way.