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Tire sizes

265/75R17 — 32.65 in, no vehicle in this catalogue wears it

A real size that exists in catalogues rather than on vehicles.

Metric notation · Light truck (LT-metric)

Overall diameter
32.65 in
829 mm
Section width
10.43 in
265 mm
Sidewall height
7.82 in
199 mm
Aspect ratio
75%
sidewall as a share of width
Wheel diameter
17 in
the hole in the middle
Circumference
102.6 in
2605 mm
Revolutions per mile
617.7
geometric, not measured
Revolutions per km
383.8
geometric, not measured
Typical load index
108–129
2205–4079 lb per tire

LT-metric tires use a stiffer casing at a much higher reference inflation — Load Range C, D or E, meaning 50, 65 or 80 psi. The index band reflects the pressure the casing is rated to hold, not a larger tire.

The load-index range shown is the band this CLASS of size is typically produced in — not a list of what is in stock for this exact size today. Load index and speed symbol are printed on the sidewall of the specific tire you are holding, and the required minimum is on the placard of the specific vehicle you are fitting. Read both.

Nearest real sizes in imperial notation, same wheel

  • 33x10.50R1733.00 in tall+0.35 in
  • 33x12.50R1733.00 in tall+0.35 in
  • 32x11.50R1732.00 in tall-0.65 in

Compare any two sizes, including ones this site has no page for, in the comparison tool.

Some sizes are built because a manufacturer specified them. Others are built because the shape is useful and the tooling exists. This is one of the second kind: no vehicle recorded here lists 265/75R17 as either a factory size or a common upgrade.

Six hundredths from the most-fitted size in its band

285/70R17 measures 32.71 in. The difference is 0.06 in — 0.18%, or two tenths of a mile per hour at 70 indicated. In section width the two are 0.79 in apart, at 10.43 in against 11.22 in.

So this size is, in practical terms, a narrow 285/70R17. That is a useful thing for it to be, and it is also why it has no factory home: manufacturers that wanted this height on a 17-inch wheel specified the wider one.

The 17-inch sizes it sits between

Size Diameter Difference Section width
32x11.50R17 32.00 in −0.65 in 11.50 in
255/75R17 32.06 in −0.59 in 10.04 in
275/70R17 32.16 in −0.49 in 10.83 in
265/75R17 32.65 in — 10.43 in
285/70R17 32.71 in +0.06 in 11.22 in
33x10.50R17 33.00 in +0.35 in 10.50 in
33x12.50R17 33.00 in +0.35 in 12.50 in

Seven sizes inside a single inch of height, with section widths from 10.04 in to 12.50 in. The 17-inch truck band is the most densely populated part of this catalogue, and almost none of that density is in the dimension the codes are usually compared on.

33x10.50R17 is the closest relative in imperial notation: 0.35 in taller and 0.07 in wider, at 1.07%. Seven hundredths of an inch of section width is well inside the variation a different rim width would produce, so those two are as close to interchangeable as any cross-notation pair in the catalogue. How the two notations line up, and where they stop lining up, is set out in the metric versus imperial reference.

The tallest 265 anywhere in the catalogue

Ten codes here carry a 265 mm section, on wheels from 16 to 20 inches, and at 32.65 in this is the tallest of them. The shortest is 265/50R20 at 30.43 in.

Two and a bit inches is the entire range a 265 casing covers, which is remarkably little for a width that appears on mid-size pickups, full-size pickups, three-row crossovers and a unibody SUV. The 265 is not a width that gets stretched into different jobs by changing its height; it gets moved onto a different wheel and re-cut to stand in almost the same place.

This size is where that stops. There is no 265/80R17 and no 265/75R18, so reaching past 32.65 in means changing the first number or changing notation.

Related

Class: Light truck (LT-metric). Every figure above is computed from the size code, not stored — see how these numbers are calculated.