Buying Guides By Carter Hayes June 23, 2026 8 min read

What Is a 35-Inch Tire in Metric? Size Conversion Guide

Share:

A 35-inch tire usually converts to 315/70R17, the closest common metric size you’ll find. In this format, 315 is the tire width in millimeters, 70 is the sidewall height as a percentage of width, and 17 is the wheel diameter in inches. Actual diameter can vary by brand, often from about 33.5 to 35.1 inches. You’ll also see close options like 325/70R17 or 275/80R17, depending on fitment and load needs.

Key Takeaways

  • A 35-inch tire’s closest metric equivalent is usually 315/70R17.
  • 315 is the tire width in millimeters, 70 is sidewall ratio, and 17 is wheel diameter in inches.
  • Actual 35-inch tire diameters vary by brand, often measuring about 33.5 to 35.1 inches.
  • Other metric alternatives include 325/70R17 for wider tires and 275/80R17 for taller sidewalls.
  • Always verify fitment, load rating, and true diameter before buying a 35-inch tire.

What Is a 35-Inch Tire in Metric?

35 inch tire metric conversion

A 35-inch tire typically converts to a metric size of 315/70R17, a common choice for off-road setups. When you see this metric size, the 315 tells you the tread width in millimeters, while 70 shows the sidewall height as 70% of that width. The R means radial construction, and 17 identifies the wheel diameter in inches. You can use this format to match your 35-inch tire with your vehicle’s specs and maintain clear, capable performance on rough terrain. Keep in mind that real-world diameter can vary by manufacturer, so installed tires may measure from about 33.5 to 35.1 inches. That spread matters when you want freedom from rubbing, gearing surprises, or fitment limits. Understanding the metric size helps you choose confidently, stay within your setup’s demands, and move with precision, not guesswork. Additionally, considering the load ratings for vehicle compatibility is crucial for optimal performance on diverse terrains.

How to Convert a 35-Inch Tire to Metric

To convert a 35-inch tire to metric, you multiply the overall diameter in inches by 25.4, which gives you about 889 mm, then match that size to a common equivalent like 315/70R17. In that metric code, 315 is the tire width in millimeters, 70 is the sidewall aspect ratio, and 17 is the wheel diameter in inches. Keep in mind that actual tire dimensions can vary slightly by manufacturer, so the measured diameter may differ from the nominal calculation. Additionally, understanding tire selection criteria can help ensure you choose the right tire for your vehicle.

Metric Size Formula

When you’re converting a 35-inch tire to metric, the common equivalent is 315/70R17, with 315 mm of section width and a 70% aspect ratio. You can verify that with a tire size calculator or by using the metric size formula yourself. Multiply the width by the aspect ratio to get sidewall height: 315 × 0.70 = 220.5 mm. Double that for both sidewalls, then add wheel diameter to reach overall tire diameter. This gives you a practical check on metric sizes before you buy. Because manufacturers vary slightly, measure the specific tire’s dimensions, not just the label. That keeps your setup compatible, precise, and free from avoidable fitment problems.

Common 35-Inch Equivalents

Common 35-inch tire equivalents usually start with 315/70R17, which measures about 34 inches depending on the manufacturer, so it’s the closest metric match for many builds. If you’re converting a 35-inch tire to metric size, you’re aiming for width, sidewall, and fitment balance.

  1. 315/70R17: closest all-around match
  2. 325/70R17: wider stance, stronger presence
  3. 275/80R17: taller sidewall, different footprint
  4. Tire calculator: fast, precise comparison

You can estimate the metric size by reading the width in millimeters and the aspect ratio. A 315 mm tire with a 70% ratio yields about 220.5 mm of sidewall. Use that math to choose what frees your vehicle without forcing compromise.

Actual Diameter Variations

A 35-inch tire doesn’t always measure a true 35 inches, so a metric equivalent like 315/70R17 is often only about 34 inches in actual diameter. When you convert a metric tire, multiply section width by aspect ratio, then convert that sidewall height to inches and add the wheel diameter. For 315/70R17, 315 mm x 0.70 gives 220.5 mm, or about 8.68 inches per sidewall. That puts the overall size near 34.4 inches, not a full 35. Brand design shifts results: BFGoodrich A/T KO2 can sit around 33.8 to 34.0 inches, while a Cooper STT Pro may reach 35.1. Pressure and rim width also change the final height, so check actual diameter before you buy.

Why 315/70R17 Is the Closest Match

315/70R17 is the closest metric match to a nominal 35-inch tire because its overall diameter is about 34.5 inches, putting it very near the target size. You can verify that with a tire size converter, then move with confidence. The 315 means 315 mm of width, and the 70 means the sidewall is 70% of that width. That gives you about 220.5 mm, or 8.7 inches, of sidewall height. The R tells you it’s radial, which fits modern Jeep tires and trucks built for control.

  1. Near-35-inch fit
  2. Balanced ride quality
  3. Strong off-road clearance
  4. Proven freedom on the trail

When you want capability without a big sizing compromise, this setup delivers. It keeps your gearing, clearance, and stance close to a true 35-inch tire while staying grounded in a standard metric format. Additionally, this tire size’s durability and performance are well-suited for both highway and off-road conditions, making it a versatile choice for various driving scenarios.

Why 35-Inch Tires Measure Differently by Brand

tire size variability explained

Even when two tires are sold as 35s, they don’t always measure the same because brand-specific construction, rubber compounds, sidewall design, and inflation pressure all affect true diameter. You need to verify each Tire Size before you buy, because a nominal 35, often listed as 315/70R17, can span 33.5 to 35.1 inches in real height. That gap changes stance, clearance, and control. Additionally, understanding UTQG ratings can help you make informed decisions based on durability and performance.

Brand Measured height
BF Goodrich A/T KO2 33.8-34.0 in
Cooper STT Pro 35.1 in
Other 35s 33.5-35.0 in
Same nominal Size Different footprint
Your result Check specs first

Aspect ratio and sidewall shape also shift the final diameter. So when you choose a Tire for freedom on road or trail, don’t trust the label alone. Measure the exact model, compare manufacturer data, and buy with precision.

What Metric Tire Sizes Are Close to 35s?

Several metric sizes sit close to a 35-inch tire, with 315/70R17 being the most common match, though it usually measures about 33.8 to 34.0 inches in real-world use. If you want the freedom of a bigger stance without chasing exact inch tire sizes, you’ve got options.

  1. 315/70R17 — closest mainstream metric fit; strong all-around choice.
  2. 325/70R17 — slightly wider, often treated as a true 35-ish option.
  3. 305/70R17 — often sold as a 33, but it can run near 34 inches.
  4. 285/75R17 — a bit smaller, yet still close enough for some setups.

You should compare actual measured height, not just the label, because metric sizing varies by brand. Additionally, many all-terrain tires, such as the Travelstar Ecopath, are designed to provide a balance of performance on both highways and off-road terrains. If you want a more aggressive leap, 37×12.50R17 moves beyond 35s, but it changes the whole setup.

How Load Ratings Change Your Tire Choice

Load rating matters just as much as size when you choose 35-inch tires, because it tells you how much weight each tire can safely carry and how it will behave under load.

Load rating Effect on 35-inch tires
C Less common; some brands like BFG KO2s offer it
D Common; balances capacity and ride quality
E Highest common capacity; best for heavy cargo
Higher rating More stability, less compliance off-road

Load ratings shape durability, heat resistance, and sidewall stiffness. A higher-rated tire carries more weight and improves stability when you tow or haul, but it can feel harsher on rough trails. Lower-rated Load C options can ride better and often track more freely off-road, yet they’re harder to find in 35-inch tires. You should match the rating to your actual payload, not ego. That choice protects handling, keeps braking predictable, and supports freedom on the trail without sacrificing control. Additionally, selecting the right tire can significantly affect your vehicle’s fuel efficiency and overall performance.

How to Choose the Right 35-Inch Tire for Your Vehicle

choose tires for performance

Once you’ve matched the load rating to your payload, the next step is choosing a 35-inch tire that actually fits your vehicle and driving needs. A common metric match is 315/70R17, but actual height often lands near 34 inches, sometimes 33.5, so verify manufacturer specs before you commit. Check wheel size first, because clearance and gearing depend on it. Then confirm the tire’s Light Truck construction and load range; D or E usually gives you the durability you want for harder use.

Match load rating, then verify true diameter, wheel size, and load range before buying.

  1. Match fitment to your Jeep, Raptor, or ZR2.
  2. Confirm psi targets around 30-32 for control.
  3. Compare true diameter, not just the label.
  4. Choose the tread that frees your terrain.

When you choose wisely, you gain traction, stability, and room to move. The right tire doesn’t just fit—it lets your truck work without compromise.

Frequently Asked Questions

Are 35 Tires the Same as 295?

No, you shouldn’t treat 35 tires and 295s as the same. In tire sizing, 295 usually means about a 33.5-inch tire, while a true 35-inch tire is often 315/70R17. With metric conversion, 295 vs. 315 shows the 35-inch tire’s wider tread and taller overall diameter. You’ll also get different load ratings and fitment, so check specs before you buy.

Is 285 a 35-Inch Tire?

No, you don’t get a true 35-inch tire with 285 sizing. In tire sizing, 285/75R17 usually lands near a 33-inch diameter, not 35. For metric conversion, 35-inch tires are closer to 315/70R17, depending on the brand and tread. You’ll gain less ground clearance with 285s, but they can still work well if you value fitment, reduced rubbing, and solid off-road capability without chasing bigger size.

Is a 305 the Same as a 35-Inch Tire?

No, a 305 isn’t the same as a 35-inch tire. In tire sizing, you’d usually see a 305/70R17 closer to a 33-inch tire, while a 35-inch tire often matches a 315/70R17. With metric conversion, the 305 is narrower and slightly shorter, so you won’t get the same clearance or off-road stance. If you need true 35-inch performance, you should size up accordingly for your vehicle.

Is a 315 Tire Equal to a 35?

Yes, you can usually treat a 315 tire as a 35, because its metric conversion lands close to that size. A 315/70R17 typically gives you a tire diameter around 34 to 35 inches, depending on brand, load, and inflation. You should verify actual spec sheets, since manufacturers don’t all mold the same. For fitment, clearance, gearing, and suspension, use measured diameter, not just the label.

Conclusion

So, when you size up a 35-inch tire, you’re really looking for a metric fit like 315/70R17. You can almost picture the wide tread standing tall like a heavy boot under your truck, filling the wheel well with confident stance. But you should still check overall diameter, width, and load rating, since brands measure a little differently. If you match those details, you’ll choose a tire that looks right and performs right.

Carter Hayes

Carter Hayes

Author

Carter Hayes is the founder and lead automotive editor of TubeTyre, an online resource focused on tyre reviews, buying guides, and practical automotive maintenance. With more than ten years of experience in the automotive field, Carter guides the site’s editorial strategy and review process. His work centers on making tyre and vehicle-care information easier for everyday drivers to understand, while maintaining a strong focus on testing standards and editorial trust.

Leave a Comment

Your email address will not be published. Required fields are marked *