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285/75R16 in inches

A 285/75R16 tire is 32.8″ tall and 11.2″ wide, and fits a 16″ wheel. In inches it is written 32.8×11.2R16.

Diameter32.83″
Width11.22″
Sidewall8.42″
285/75R16 drawn to scale: 32.83 inch diameter, 8.42 inch sidewall, 16 inch wheel, 11.22 inch tread width16″ wheel8.42″32.83″ overall11.22″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 285/75R16 tires really are

Heights published by BFGoodrich, General, Michelin, Mickey Thompson and Toyo for all 18 tires in this size. Their published revolutions per mile work out to 31.8–32.2″ under load (below).

Real 285/75R16 tires measure 32.80–33.19″, against 32.83″ from the size code. They run both taller and shorter than the size code.

  1. Toyo M-5533.19″ +0.36″
  2. Toyo Open Country A/T III · 232.84–33.07″ +0.24″
  3. Toyo Open Country M/T33.03″ +0.20″
  4. Mickey Thompson Baja Boss M/T33.00″ +0.17″
  5. Mickey Thompson Baja Legend EXP33.00″ +0.17″
  6. Mickey Thompson Baja Legend MTZ33.00″ +0.17″
  7. Mickey Thompson Baja Boss A/T32.90″ +0.07″
  8. Toyo Open Country R/T Trail32.84″ +0.00″
  9. Toyo Open Country C/T32.83″ +0.00″
  10. Toyo Open Country H/T II32.83″ +0.00″
  11. BFGoodrich All-Terrain T/A KO3 · 232.80″ −0.03″
  12. BFGoodrich HD-Terrain T/A KT32.80″ −0.03″
  13. BFGoodrich Mud-Terrain T/A KM332.80″ −0.03″
  14. General Grabber A/TX32.80″ −0.03″
  15. General Grabber X332.80″ −0.03″
  16. Michelin Defender LTX M/S32.80″ −0.03″
Each bar runs from the size code's 32.83″ (the orange line) to the model's published height. The track spans 1.0″. Where a model comes in several load ranges, the darker part shows its range of heights; the number after the name is how many versions it comes in.
Height under load31.8–32.2″

Published revs per mile (626–634) mean the tire rolls like a 31.8–32.2″ tire on the vehicle. Use this for speedometer calibration.

Weight spread52.7–67.0 lb

The lightest (Michelin Defender LTX M/S, LT E) is 14.3 lb lighter per corner than the heaviest (Toyo Open Country M/T, LT E).

18 tires in 285/75R16

Sort by the spec you care about.

LoadRevs/miSource
Michelin Defender LTX M/SAll-seasonLT E · 126/123R32.8052.713.53,750634Spec page
General Grabber A/TXAll-terrainLT E · 126R32.8055.316.03,750633Spec page
Toyo Open Country H/T IIHighwayLT E · 126/123S32.8355.515.83,750633Spec page
Toyo Open Country A/T IIIAll-terrainLT E · 126/123R33.0756.016.53,750628Spec page
Mickey Thompson Baja Legend EXPAll-terrainLT E · 126Q33.0057.018.53,750–Spec page
BFGoodrich All-Terrain T/A KO3All-terrainLT C · 116S32.8057.315.02,755634Spec page
BFGoodrich All-Terrain T/A KO3All-terrainLT E · 126S32.8058.516.03,750634Spec page
Toyo Open Country A/T IIIAll-terrainLT E · 126/123R32.8459.316.53,750633Spec page
Toyo M-55CommercialLT E · 126/123Q33.1959.818.93,740626Spec page
Mickey Thompson Baja Legend MTZMud-terrainLT E · 126Q33.0060.019.03,750–Spec page
Toyo Open Country R/T TrailRugged-terrainLT E · 126/123Q32.8460.916.53,750633Spec page
BFGoodrich HD-Terrain T/A KTLT E · 126Q32.8061.118.03,750634Spec page
General Grabber X3Mud-terrainLT E · 126Q32.8061.319.03,750633Spec page
Toyo Open Country C/TCommercialLT C · 116/113Q32.8361.518.42,755633Spec page
Mickey Thompson Baja Boss M/TMud-terrainLT E · 126Q33.0063.019.03,750–Spec page
BFGoodrich Mud-Terrain T/A KM3Mud-terrainLT E · 126Q32.8064.218.03,750634Spec page
Mickey Thompson Baja Boss A/TAll-terrainLT E · 126Q32.9066.018.53,750–Spec page
Toyo Open Country M/TMud-terrainLT E · 126P33.0367.019.13,750628Spec page

Is 285/75R16 a 33-inch tire?

≈33″

Yes. The size code works out to 32.83″, and the 18 tires here publish 32.80–33.19″, so people call it a 33.

All 33-inch tire sizes, on every wheel size.

A true 33×15.50R16 is 0.17″ taller on paper and 4.3″ wider.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 285/75R16Difference
285/70R1732.71-0.12″-0.4%
305/70R1632.81-0.02″-0.1%
33×15.50R1633.00+0.17″+0.5%
33×10.50R1533.00+0.17″+0.5%
33×12.50R1533.00+0.17″+0.5%
33×13.50R1533.00+0.17″+0.5%
33×15.50R1533.00+0.17″+0.5%
33×9.50R1533.00+0.17″+0.5%
255/85R1633.07+0.24″+0.7%
295/75R1633.42+0.59″+1.8%

How to read 285/75R16

How to read any tire size

LT285/75R16 126Q as printed on the tire sidewall, with each part numberedLT285/75R16 126Q1234567
How LT285/75R16 126Q is printed on the sidewall. It's the most common code among the 18 tires here (7 of them); tires in this size come in other load and speed ratings too.
1LTLight truck

Marks a light truck (LT) tire.

2285Section width

285 mm across the widest point, or 11.22 inches. Every 285 size

375Aspect ratio

A percentage, not a measurement: the sidewall is 75% as tall as the tire is wide, which is 213.7 mm or 8.42 inches.

4RConstruction

Radial construction.

516Wheel diameter

Mounts on a 16-inch wheel. Approved wheel widths run 7.5″ to 9.5″.

6126Load index

Each tire carries up to 3,750 lb (1,700 kg) at its maximum pressure.

7QSpeed rating

Rated for up to 99 mph sustained.

ELoad range

Printed separately as "LOAD RANGE E": a 10-ply rating, inflated up to 80 psi (standard load-range table). The load range E tires here carry up to 3,750 lb each, as published.

SpecificationInchesMetric
Overall diameter32.83834 mm
Section width11.22285 mm
Sidewall height8.42213.7 mm
Circumference103.12,620 mm
Revolutions per mile (calculated, unloaded)614.3382 per km
Revolutions per mile (published by manufacturers)626–634389–394 per km
Approved wheel width7.5–9.5191–241 mm

Speedometer error after switching to 285/75R16

Your actual speed– mph

Questions about 285/75R16

What is 285/75R16 in inches?

32.83 inches tall, 11.22 inches wide, on a 16-inch wheel. Written in inches, that is roughly 32.8×11.2R16.

How much does a 285/75R16 tire weigh?

Between 52.7 lb and 67.0 lb for the 18 tires listed here. The lightest is the Michelin Defender LTX M/S (LT E); the heaviest is the Toyo Open Country M/T (LT E).

What wheel width do I need for 285/75R16?

Manufacturers approve 7.5–9.5″ wide wheels for this size.

How many revolutions per mile does a 285/75R16 make?

Published figures run 626–634 revolutions per mile. The calculated figure is 614.3, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 285/75R16 than 305/70R16?

0.02 inches taller on paper (32.83″ vs 32.81″), which raises the axle about 0.01″. Your speedometer will read about 0.1% slow.