Tire size reference

235/65R17 tire size: 29.03 in tall

Diameter, sidewall, width and revs per mile for 235/65R17, the common sizes within 3% of its diameter, and what each one does to the speedometer.

In short

235/65R17, in short: 29.03 in (737 mm) tall and 235 mm (9.25 in) wide, with a 6.01 in (152.8 mm) sidewall, for a 17-inch wheel. Circumference is 91.19 in, so it turns about 695 times per mile (calculated from the nominal size).

Overall diameter29.03 in · 737 mm
Section width235 mm · 9.25 in
Sidewall height6.01 in · 152.8 mm
Circumference91.19 in
Revs per mile (calculated)695
In inches29.0x9.3R17

Calculated from the size: sidewall = 235 × 65% = 152.75 mm; diameter = 2 × 6.014 in + 17 in; revs per mile = 63,360 ÷ (π × diameter).

Sizes within 3% of 235/65R17

19 common sizes come within ±3% of 29.03 in: 2 on the same 17-inch wheel, 11 plus-size and 6 minus-size. The last column is what the speedometer shows when the vehicle, set up for 235/65R17, is doing a true 60 mph.

SizeFitDiameterDifferenceWidthSidewallRevs/mile (calc.)Speedometer at a true 60
235/65R17This size29.03 in-235 mm6.01 in69560.0 mph
235/75R15Minus 228.88 in-0.52%235 mm6.94 in69860.3 mph
225/70R16Minus 128.40 in-2.16%225 mm6.20 in71061.3 mph
235/70R16Minus 128.95 in-0.26%235 mm6.48 in69760.2 mph
225/75R16Minus 129.29 in+0.90%225 mm6.64 in68959.5 mph
245/70R16Minus 129.50 in+1.64%245 mm6.75 in68459.0 mph
235/75R16Minus 129.88 in+2.93%235 mm6.94 in67558.3 mph
225/65R17Same wheel28.52 in-1.76%225 mm5.76 in70761.1 mph
245/65R17Same wheel29.54 in+1.76%245 mm6.27 in68359.0 mph
235/55R18Plus 128.18 in-2.93%235 mm5.09 in71661.8 mph
225/60R18Plus 128.63 in-1.37%225 mm5.31 in70460.8 mph
255/55R18Plus 129.04 in+0.05%255 mm5.52 in69460.0 mph
235/60R18Plus 129.10 in+0.26%235 mm5.55 in69359.8 mph
245/60R18Plus 129.57 in+1.89%245 mm5.79 in68258.9 mph
235/50R19Plus 228.25 in-2.67%235 mm4.63 in71461.6 mph
225/55R19Plus 228.74 in-0.98%225 mm4.87 in70260.6 mph
255/50R19Plus 229.04 in+0.04%255 mm5.02 in69560.0 mph
235/55R19Plus 229.18 in+0.52%235 mm5.09 in69159.7 mph
265/50R19Plus 229.43 in+1.40%265 mm5.22 in68559.2 mph
245/55R19Plus 229.61 in+2.01%245 mm5.31 in68158.8 mph

A taller tire makes the speedometer read low, a shorter one high. Plus-sizing keeps the diameter close by trading sidewall for wheel. Any replacement needs a load index at least as high as the vehicle's tire placard calls for, and a wheel width the tire is approved for.

235/65R17 compared

235/65R17 side by side with 225/65R17 and 245/65R17: dimension by dimension, and what the swap does to the speedometer.

235/65R17 vs 225/65R17

-1.76% diameter
235/65R17225/65R17Difference
Overall diameter29.03 in28.52 in-0.51 in (-1.8%)
Section width235 mm225 mm-10 mm
Sidewall height6.01 in5.76 in-0.26 in
Wheel diameter17 in17 in+0 in
Circumference91.2 in89.6 in-1.6 in
Revs per mile (calc.)695707+12

225/65R17 is 1.8% shorter than 235/65R17. At a true 60 mph the speedometer shows 61.1 mph (it reads high), and when it shows 60 you're doing 58.9 mph.

Compare in the calculator

235/65R17 vs 245/65R17

+1.76% diameter
235/65R17245/65R17Difference
Overall diameter29.03 in29.54 in+0.51 in (+1.8%)
Section width235 mm245 mm+10 mm
Sidewall height6.01 in6.27 in+0.26 in
Wheel diameter17 in17 in+0 in
Circumference91.2 in92.8 in+1.6 in
Revs per mile (calc.)695683-12

245/65R17 is 1.8% taller than 235/65R17. At a true 60 mph the speedometer shows 59.0 mph (it reads low), and when it shows 60 you're doing 61.1 mph.

Compare in the calculator

Which vehicles come with 235/65R17

Vehicles sold in the US that have 235/65R17 as the standard size on these trims, with the page that lists it. The tire placard on the driver's door edge or post has the size, and the load and inflation, for the exact vehicle.

Vehicles mostly picked from Carscoops: 2025 U.S. car sales, full-year top 25 (Car and Driver data, January 2026).

FAQ

Questions about 235/65R17 tires

How tall is a 235/65R17 tire?
29.03 inches (737 mm) overall. The sidewall is 235 × 65% = 152.75 mm (6.01 in); twice that plus the 17-inch wheel gives 29.03 in. That's the nominal size: the maker's spec sheet lists the measured diameter for each tire.
What is 235/65R17 in inches?
About 29.0x9.3R17: 29.03 in tall, 9.25 in wide, for a 17-inch wheel, with a 6.01 in sidewall.
How many revolutions per mile does a 235/65R17 tire make?
About 695, calculated as 63,360 in ÷ (91.19 in circumference). Makers measure revs per mile under load, where the tire squats a little, so their published figure for a given tire is usually somewhat higher.
What size can replace 235/65R17?
The usual guideline is to stay within 3% of the original 29.03 in diameter, which keeps the speedometer, gearing and stability systems close. The closest common ones are 255/50R19 (+0.0%, 19-inch wheel); 255/55R18 (+0.1%, 18-inch wheel); 235/60R18 (+0.3%, 18-inch wheel). A replacement also needs a load index at least as high as the vehicle's placard calls for and a wheel of the right width.
235/65R17 vs 225/65R17: what's the difference?
225/65R17 is 1.8% shorter than 235/65R17. At a true 60 mph the speedometer shows 61.1 mph (it reads high), and when it shows 60 you're doing 58.9 mph.
Which vehicles come with 235/65R17 tires?
It's the standard size on the 2025 Hyundai Tucson SE, Blue Hybrid; 2025 Kia Sportage LX, Hybrid LX, X-Pro; 2025 Honda CR-V LX; 2025 Nissan Rogue S, Rock Creek. Always go by the size on the vehicle's tire placard (driver's door edge or post) or in the owner's manual.
Sources

How these numbers are worked out

Checked October 2026. Dimensions are nominal, calculated from the size designation. A real tire's diameter, width and revs per mile vary by brand, tread depth, rim width and load, so check the maker's spec sheet.

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