285/70R17 Tire Size

Dimensions of a 285/70R17 tire in inches and millimeters, with equivalent and plus sizes.

285/70R17 dimensions

A 285/70R17 tire is 285 mm wide with a sidewall that is 70% of the width (200 mm), mounted on a 17-inch rim. Its overall diameter is about 32.71 inches (831 mm), so it is roughly a 32.7-inch tall tire.

Overall diameter32.71 in831 mm
Section width11.22 in285 mm
Sidewall height7.85 in199.5 mm
Rim diameter17 in432 mm
Circumference102.8 in2610 mm
Revolutions617 per mile383 per km

Equivalent sizes on a 17-inch rim

These sizes stay within ±3% of the 285/70R17 diameter on the same rim — the range most tire shops use. Not every size is made in every tire model, and only sizes approved for your vehicle (with the right load and speed rating) should be fitted.

SizeDiametermmDifference
265/75R1732.65 in829 mm-0.2%
305/65R1732.61 in828 mm-0.3%
275/75R1733.24 in844 mm+1.6%
275/70R1732.16 in817 mm-1.7%
295/70R1733.26 in845 mm+1.7%
295/65R1732.10 in815 mm-1.9%

Plus and minus sizes

Changing the rim size? These options on 16-, 18- and 19-inch rims keep the overall diameter within ±3%.

SizeDiametermmDifference
315/55R1932.64 in829 mm-0.2%
305/70R1632.81 in833 mm+0.3%
285/65R1832.59 in828 mm-0.4%
285/75R1632.83 in834 mm+0.4%
315/60R1832.88 in835 mm+0.5%
295/60R1932.94 in837 mm+0.7%
285/60R1932.46 in825 mm-0.7%
305/60R1832.41 in823 mm-0.9%
275/65R1933.07 in840 mm+1.1%
295/65R1833.10 in841 mm+1.2%

Compare 285/70R17 with another size →

Frequently asked questions

How tall is a 285/70R17 tire?

About 32.71 inches (831 mm) in overall diameter.

How wide is a 285/70R17 tire?

The section width is 285 mm, about 11.2 inches.

What size can replace 285/70R17?

On the same rim, 265/75R17 is the closest size (-0.2% diameter). Use only sizes approved for your vehicle.

How many revolutions per mile does a 285/70R17 tire make?

About 617 revolutions per mile (383 per km).

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