tireheight.com

265/70R18 in inches

A 265/70R18 tire is 32.6″ tall and 10.4″ wide, and fits a 18″ wheel. In inches it is written 32.6×10.4R18.

Diameter32.61″
Width10.43″
Sidewall7.30″
265/70R18 drawn to scale: 32.61 inch diameter, 7.30 inch sidewall, 18 inch wheel, 10.43 inch tread width18″ wheel7.30″32.61″ overall10.43″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 265/70R18 tires really are

Heights published by BFGoodrich, General, Michelin, Mickey Thompson and Toyo for all 33 tires in this size. Their published revolutions per mile work out to 31.7–32.1″ under load (below).

Real 265/70R18 tires measure 32.60–33.03″, against 32.61″ from the size code. They run both taller and shorter than the size code.

  1. Toyo M-5533.03″ +0.42″
  2. Toyo M65533.03″ +0.42″
  3. Mickey Thompson Baja Legend EXP32.90″ +0.29″
  4. Toyo Open Country C/T32.87″ +0.27″
  5. Toyo Open Country M/T32.87″ +0.27″
  6. BFGoodrich Advantage Control HT32.64″ +0.03″
  7. Michelin X-Ice Snow32.64″ +0.03″
  8. Michelin LTX Trail · 232.60–32.64″ +0.03″
  9. Toyo Celsius Cargo32.64″ +0.03″
  10. Toyo Open Country A/T III · 232.64″ +0.03″
  11. Toyo Open Country R/T Trail · 232.60–32.64″ +0.03″
  12. Toyo Open Country H/T II32.64″ +0.03″
  13. Toyo Open Country WLT132.64″ +0.03″
  14. BFGoodrich All-Terrain T/A KO3 · 232.60″ −0.01″
  15. BFGoodrich HD-Terrain T/A KT32.60″ −0.01″
  16. BFGoodrich Trail-Terrain T/A32.60″ −0.01″
  17. BFGoodrich Trail-Terrain T/A+32.60″ −0.01″
  18. General Grabber A/TX · 232.60″ −0.01″
  19. General Grabber APT32.60″ −0.01″
  20. General Grabber H/T32.60″ −0.01″
  21. General Grabber HD32.60″ −0.01″
  22. General Grabber HTS32.60″ −0.01″
  23. General Grabber Justice A/T32.60″ −0.01″
  24. General Grabber X332.60″ −0.01″
  25. Michelin Agilis CrossClimate 232.60″ −0.01″
  26. Michelin Defender LTX M/S 2 · 232.60″ −0.01″
  27. Michelin LTX A/T232.60″ −0.01″
Each bar runs from the size code's 32.61″ (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 load31.7–32.1″

Published revs per mile (629–637) mean the tire rolls like a 31.7–32.1″ tire on the vehicle. Use this for speedometer calibration.

Weight spread37.0–60.4 lb

The lightest (Michelin LTX Trail, SL) is 23.4 lb lighter per corner than the heaviest (Toyo Open Country M/T, LT E).

33 tires in 265/70R18

Sort by the spec you care about.

LoadRevs/miSource
Michelin LTX TrailSL · 116S32.6437.010.02,756637Spec page
Michelin LTX TrailSL · 116T32.6037.710.02,756637Spec page
General Grabber HTSTouringSL · 116S32.6037.811.02,756637Spec page
Michelin X-Ice SnowWinterSL · 116T32.6438.610.52,756637Spec page
Michelin Defender LTX M/S 2All-seasonXL · 116T32.6040.012.52,756637Spec page
BFGoodrich Advantage Control HTHighwaySL · 116T32.6441.612.02,756637Spec page
General Grabber APTAll-terrainLT C · 113S32.6042.213.02,535637Spec page
Toyo Celsius CargoLT E · 124/121S32.6442.814.53,525636Spec page
Toyo Open Country H/T IIHighwaySL · 116T32.6443.012.12,756636Spec page
General Grabber H/THighwaySL · 116T32.6043.212.02,756637Spec page
Toyo Open Country A/T IIIAll-terrainSL · 116T32.6443.313.32,756636Spec page
Toyo Open Country WLT1WinterLT E · 124/121Q32.6444.116.53,525636Spec page
BFGoodrich Trail-Terrain T/AAll-terrainSL · 116T32.6044.112.52,756637Spec page
BFGoodrich Trail-Terrain T/A+SL · 116T32.6045.012.52,756637Spec page
General Grabber Justice A/TAll-terrainLT C · 113H32.6045.011.02,535637Spec page
Toyo Open Country R/T TrailRugged-terrainXL · 116T32.6045.613.42,756636Spec page
General Grabber A/TXAll-terrainSL · 116T32.6046.714.02,756637Spec page
General Grabber HDCommercialLT E · 124R32.6047.414.03,525637Spec page
Michelin Defender LTX M/S 2All-seasonLT E · 124S32.6049.614.03,525637Spec page
Toyo Open Country A/T IIIAll-terrainLT E · 124/121Q32.6450.816.33,525636Spec page
Michelin LTX A/T2All-terrainLT E · 124/121R32.6051.512.53,525637Spec page
Toyo Open Country R/T TrailRugged-terrainLT E · 124/121Q32.6451.816.33,525637Spec page
General Grabber A/TXAll-terrainLT E · 124S32.6052.916.03,525637Spec page
Michelin Agilis CrossClimate 2CommercialLT E · 124/121R32.6054.014.03,525637Spec page
Mickey Thompson Baja Legend EXPAll-terrainLT E · 124Q32.9054.018.53,525–Spec page
BFGoodrich All-Terrain T/A KO3All-terrainLT D · 119S32.6054.315.03,085637Spec page
BFGoodrich All-Terrain T/A KO3All-terrainLT E · 124S32.6055.816.03,525637Spec page
Toyo M655CommercialLT E · 124/121Q33.0356.218.53,525629Spec page
Toyo Open Country C/TCommercialLT E · 124/121Q32.8757.118.43,525632Spec page
Toyo M-55CommercialLT E · 124/121Q33.0357.318.33,525629Spec page
General Grabber X3Mud-terrainLT E · 124Q32.6058.018.03,525637Spec page
BFGoodrich HD-Terrain T/A KTLT E · 124Q32.6060.418.03,525637Spec page
Toyo Open Country M/TMud-terrainLT E · 124/121Q32.8760.418.93,525632Spec page

Is 265/70R18 a 33-inch tire?

≈33″

Yes. The size code works out to 32.61″, and the 33 tires here publish 32.60–33.03″, so people call it a 33.

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

A true 33×12.50R18 is 0.39″ taller on paper and 2.1″ wider.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 265/70R18Difference
255/70R1832.06-0.55″-1.7%
275/65R1832.07-0.53″-1.6%
305/60R1832.41-0.20″-0.6%
245/75R1832.47-0.14″-0.4%
285/65R1832.59-0.02″-0.1%
305/65R1732.61+0.00″+0.0%
235/80R1832.80+0.20″+0.6%
33×12.50R1833.00+0.39″+1.2%
275/70R1833.16+0.55″+1.7%
325/60R1833.35+0.75″+2.3%

How to read 265/70R18

How to read any tire size

265/70R18 116T as printed on the tire sidewall, with each part numbered265/70R18 116T123456
How 265/70R18 116T is printed on the sidewall. It's the most common code among the 33 tires here (9 of them); tires in this size come in other load and speed ratings too.
1265Section width

265 mm across the widest point, or 10.43 inches. Every 265 size

270Aspect ratio

A percentage, not a measurement: the sidewall is 70% as tall as the tire is wide, which is 185.5 mm or 7.30 inches.

3RConstruction

Radial construction.

418Wheel diameter

Mounts on a 18-inch wheel. Approved wheel widths run 7.0″ to 9.0″.

5116Load index

Each tire carries up to 2,756 lb (1,250 kg) at its maximum pressure.

6TSpeed rating

Rated for up to 118 mph sustained.

SpecificationInchesMetric
Overall diameter32.61828 mm
Section width10.43265 mm
Sidewall height7.30185.5 mm
Circumference102.42,602 mm
Revolutions per mile (calculated, unloaded)618.5384 per km
Revolutions per mile (published by manufacturers)629–637391–396 per km
Approved wheel width7.0–9.0178–229 mm

Speedometer error after switching to 265/70R18

Your actual speed– mph

Questions about 265/70R18

What is 265/70R18 in inches?

32.61 inches tall, 10.43 inches wide, on a 18-inch wheel. Written in inches, that is roughly 32.6×10.4R18.

How much does a 265/70R18 tire weigh?

Between 37.0 lb and 60.4 lb for the 33 tires listed here. The lightest is the Michelin LTX Trail (SL); the heaviest is the Toyo Open Country M/T (LT E).

What wheel width do I need for 265/70R18?

Manufacturers approve 7.0–9.0″ wide wheels for this size.

How many revolutions per mile does a 265/70R18 make?

Published figures run 629–637 revolutions per mile. The calculated figure is 618.5, but manufacturers measure the tire under load, where it rolls on a smaller radius.

What is the difference between P265/70R18 and LT265/70R18?

Passenger tires (13 here) are built for passenger loads, with max loads of 2756 lb. Light-truck tires (20 here) come in heavier load ranges with max loads of 2535–3525 lb, and are usually heavier with deeper tread.

How much taller is 265/70R18 than 285/65R18?

0.02 inches taller on paper (32.61″ vs 32.59″), which raises the axle about 0.01″. Your speedometer will read about 0.1% slow.