tireheight.com

295/70R18 in inches

A 295/70R18 tire is 34.3″ tall and 11.6″ wide, and fits a 18″ wheel. In inches it is written 34.3×11.6R18.

Diameter34.26″
Width11.61″
Sidewall8.13″
295/70R18 drawn to scale: 34.26 inch diameter, 8.13 inch sidewall, 18 inch wheel, 11.61 inch tread width18″ wheel8.13″34.26″ overall11.61″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 295/70R18 tires really are

Heights published by BFGoodrich, Michelin, Mickey Thompson and Toyo for all 13 tires in this size. Their published revolutions per mile work out to 33.2–33.6″ under load (below).

Real 295/70R18 tires measure 34.29–34.61″, against 34.26″ from the size code. Every one runs taller than the size code.

  1. Toyo M65534.61″ +0.35″
  2. Toyo Open Country M/T34.53″ +0.27″
  3. Toyo Open Country C/T34.53″ +0.27″
  4. Mickey Thompson Baja Boss A/T34.50″ +0.24″
  5. Mickey Thompson Baja Legend MTZ34.50″ +0.24″
  6. Mickey Thompson Baja Legend EXP34.40″ +0.14″
  7. BFGoodrich All-Terrain T/A KO334.30″ +0.04″
  8. BFGoodrich HD-Terrain T/A KT34.30″ +0.04″
  9. BFGoodrich Mud-Terrain T/A KM334.30″ +0.04″
  10. Michelin Defender LTX M/S 234.30″ +0.04″
  11. Toyo Open Country R/T Pro34.30″ +0.04″
  12. Toyo Open Country A/T III34.29″ +0.03″
  13. Toyo Open Country R/T Trail34.29″ +0.03″
Each bar runs from the size code's 34.26″ (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 load33.2–33.6″

Published revs per mile (600–607) mean the tire rolls like a 33.2–33.6″ tire on the vehicle. Use this for speedometer calibration.

Weight spread57.9–73.0 lb

The lightest (Michelin Defender LTX M/S 2, LT E) is 15.1 lb lighter per corner than the heaviest (Mickey Thompson Baja Boss A/T, LT E).

13 tires in 295/70R18

Sort by the spec you care about.

LoadRevs/miSource
Michelin Defender LTX M/S 2All-seasonLT E · 129S34.3057.914.04,080607Spec page
Mickey Thompson Baja Legend EXPAll-terrainLT E · 129Q34.4061.018.54,080–Spec page
Toyo Open Country A/T IIIAll-terrainLT E · 129/126S34.2962.916.64,080606Spec page
BFGoodrich All-Terrain T/A KO3All-terrainLT E · 129S34.3063.516.04,080607Spec page
Toyo M655CommercialLT E · 129/126Q34.6163.918.54,080600Spec page
Toyo Open Country R/T TrailRugged-terrainLT E · 129/126Q34.2964.616.64,080606Spec page
Mickey Thompson Baja Legend MTZMud-terrainLT E · 129P34.5068.021.04,080–Spec page
Toyo Open Country R/T ProRugged-terrainLT E · 129/126Q34.3068.317.14,080606Spec page
BFGoodrich HD-Terrain T/A KTLT E · 129Q34.3069.718.04,080607Spec page
Toyo Open Country C/TCommercialLT E · 129/126Q34.5370.918.44,080602Spec page
Toyo Open Country M/TMud-terrainLT E · 129/126P34.5372.019.44,080602Spec page
BFGoodrich Mud-Terrain T/A KM3Mud-terrainLT E · 129Q34.3072.718.04,080607Spec page
Mickey Thompson Baja Boss A/TAll-terrainLT E · 129Q34.5073.018.54,080–Spec page

Is 295/70R18 a 34-inch tire?

≈34″

Close. The size code works out to 34.26″, and the 13 tires here publish 34.29–34.61″, so people call it a 34.

All 34-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 295/70R18Difference
325/60R1833.35-0.91″-2.6%
305/65R1833.61-0.65″-1.9%
285/70R1833.71-0.55″-1.6%
255/85R1734.07-0.19″-0.6%
315/70R1734.36+0.10″+0.3%
295/75R1734.42+0.16″+0.5%
325/65R1834.63+0.37″+1.1%
305/70R1834.81+0.55″+1.6%
285/75R1834.83+0.57″+1.7%
35×12.50R1835.00+0.74″+2.2%

How to read 295/70R18

How to read any tire size

LT295/70R18 129Q as printed on the tire sidewall, with each part numberedLT295/70R18 129Q1234567
How LT295/70R18 129Q is printed on the sidewall. It's the most common code among the 13 tires here (4 of them); tires in this size come in other load and speed ratings too.
1LTLight truck

Marks a light truck (LT) tire.

2295Section width

295 mm across the widest point, or 11.61 inches. Every 295 size

370Aspect ratio

A percentage, not a measurement: the sidewall is 70% as tall as the tire is wide, which is 206.5 mm or 8.13 inches.

4RConstruction

Radial construction.

518Wheel diameter

Mounts on a 18-inch wheel. Approved wheel widths run 7.5″ to 10.0″.

6129Load index

Each tire carries up to 4,080 lb (1,850 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 4,080 lb each, as published.

SpecificationInchesMetric
Overall diameter34.26870 mm
Section width11.61295 mm
Sidewall height8.13206.5 mm
Circumference107.62,734 mm
Revolutions per mile (calculated, unloaded)588.7366 per km
Revolutions per mile (published by manufacturers)600–607373–377 per km
Approved wheel width7.5–10.0191–254 mm

Speedometer error after switching to 295/70R18

Your actual speed– mph

Questions about 295/70R18

What is 295/70R18 in inches?

34.26 inches tall, 11.61 inches wide, on a 18-inch wheel. Written in inches, that is roughly 34.3×11.6R18.

How much does a 295/70R18 tire weigh?

Between 57.9 lb and 73.0 lb for the 13 tires listed here. The lightest is the Michelin Defender LTX M/S 2 (LT E); the heaviest is the Mickey Thompson Baja Boss A/T (LT E).

What wheel width do I need for 295/70R18?

Manufacturers approve 7.5–10.0″ wide wheels for this size.

How many revolutions per mile does a 295/70R18 make?

Published figures run 600–607 revolutions per mile. The calculated figure is 588.7, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 295/70R18 than 285/70R18?

0.55 inches taller on paper (34.26″ vs 33.71″), which raises the axle about 0.28″. Your speedometer will read about 1.6% slow.