Tire size in inches and millimeters

265/75R16 tire size in inches

A 265/75R16 tire is 31.65 inches tall (803.9 mm) and 10.43 inches wide (265 mm), with a 7.82-inch sidewall (198.8 mm). In inch notation that is about 31.7x10.4R16, close to a 32-inch tire (nominal).

Its circumference is 99.43 inches (2,525.5 mm), or about 637 revolutions per mile.

Nominal 265/75R16 dimensions

Overall diameter
31.65 in803.9 mm
Section width
10.43 in265 mm
Sidewall height
7.82 in198.8 mm
Circumference
99.43 in2,525.5 mm
Rim diameter
16 in
Revolutions per mile
637nominal, from geometric circumference
Inch notation
31.7x10.4R16approximate

Where 265/75R16 fits

  • Inch class: 31.65 in is 0.35 in short of a true 32 inches, inside the 32-inch class (31.50 to 32.49 in).
  • Profile: the 16-inch rim plus two 7.82 in sidewalls make up the overall diameter, and the sidewalls are 49% of it. At 75 series that is a very tall profile: the two sidewalls are close to half of the overall diameter.
  • Same 16-inch rim: the next taller catalog size is 235/85R16 (31.73 in, +0.25%) and the next shorter is 275/70R16 (31.16 in, -1.55%).
  • Same 265 mm width: the closest in diameter are 265/70R16 (30.61 in, -3.30%), 265/75R15 (30.65 in, -3.16%), 265/65R18 (31.56 in, -0.27%), 265/70R17 (31.61 in, -0.14%). At the same width, a different profile or rim changes sidewall height and overall diameter, not section width.

Reading the marking: 265 is the section width in millimeters, 75 is the sidewall height as a percentage of that width, and R16 means radial construction for a 16-inch rim. Percentages are measured from 265/75R16.

Similar sizes on other rim diameters

Within 3% of 265/75R16's overall diameter, nearest first. The speed column is the actual speed when a speedometer calibrated for 265/75R16 reads 60 mph.

Catalog tire sizes on other rim diameters with an overall diameter close to 265/75R16
SizeOverall diameterDiameter changeAt 60 mph indicatedCompare
265/70R1731.61 in-0.14%59.92 mphComparison page for 265/75R16 vs 265/70R17
265/65R1831.56 in-0.27%59.84 mphComparison page for 265/75R16 vs 265/65R18
235/80R1731.80 in+0.49%60.29 mphNo comparison page
245/75R1731.47 in-0.57%59.66 mphNo comparison page
255/70R1832.06 in+1.28%60.77 mphNo comparison page
255/75R1732.06 in+1.29%60.78 mphNo comparison page

For a size without a comparison page, open 265/75R16 in the calculator and enter that size as the proposed tire.

Important: These results compare nominal dimensions. They do not confirm vehicle fitment. Actual clearance varies by tire model, approved rim width, wheel construction, suspension, alignment, body tolerances, steering angle, load, and brake geometry. Verify load and speed ratings and physically test-fit the complete setup before driving.

Physical checks before changing size

  • Approved rim-width range for the exact tire model
  • Load index and speed rating equal to or greater than vehicle requirements
  • Brake-caliper, hub, and wheel-fastener compatibility
  • Fender, liner, suspension, and full-lock steering clearance
  • Clearance at full compression and under expected load
  • Alignment, tire pressure, and manufacturer guidance
  • Professional inspection when variance or clearance is uncertain

Compare another setup

See diameter, speedometer, ride-height, and wheel-position changes.

The calculator opens with 265/75R16 as the current tire and 265/70R17, the published comparison closest in overall diameter, as the proposed tire. Change either size; wheel details stay unknown until you supply them.

Compare 265/75R16 with 265/70R17 in the calculator

Compare 265/75R16 with any size

2 of 7 keep the 16-inch rim. Diameter changes are measured from 265/75R16.

Same 16-inch rim

Larger wheels (plus sizing)

Size source and limits

Listed as a recorded tire size (source: NHTSA consumer-complaint records through May 2021, checked August 19, 2026; see methodology). A recorded size is not a safety, popularity, availability, or fitment rating.

Read the formulas and source policy. Read the editorial and corrections policy.