Tire size · 15-inch wheel

30x9.50R15 tire size

Overall diameter, nominal30.0 in

Estimate ±762 mm

A 30x9.50R15 tire is 30.0 in (762 mm) tall and 9.5 in (241 mm) wide on a 15-inch wheel, with a 7.5 in sidewall, and turns about 672 times a mile.

Stock on the Jeep Wrangler (2002 and 2005–2006), per their makers’ documents.

Width: 9.5 in
Sidewall: 7.5 in
Wheel: 15 in
Revs per mile: 672

01 / Dimensions

30x9.50R15 in inches and millimeters

What the size code works out to. A real tire of the size measures within about 1.5% of it, by brand, tread, wheel width and pressure.

30x9.50R15

Estimate ±

Overall diameter: 30.0 in 762 mm29.6 to 30.4 in for real tires
Section width: 9.5 in 241 mm
Sidewall height: 7.5 in 191 mm
Wheel diameter: 15 in 381 mm
Circumference: 94.2 in 2,394 mm
Revolutions per mile: 672 418 per km662 to 683

02 / Stock on

Vehicles that leave the factory on 30x9.50R15

Which configurations run it in which model years, printed the way each maker prints the size, and how it compares with the vehicle’s other stock sizes. A speedometer set for one of those reads off by the amount shown when you fit 30x9.50R15 instead.

Jeep WranglerMaker
- 2005–2006 · Unlimitedprinted LT30x9.5R15
- 2002 · Saharaprinted LT30x9.5R15
Jeep Wrangler model years on 30x9.50R15:
- Jeep Wrangler TJ (1997–2006): specs
Its other stock sizes
- 245/75R16 (2005–2006 · Rubicon, Unlimited Rubicon). 30x9.50R15 is 0.5 in shorter: with a speedometer set for 245/75R16 it reads 1.6% high, 59.1 mph at an indicated 60.
- 225/75R15 (2005–2006 · Sport). 30x9.50R15 is 1.7 in taller: with a speedometer set for 225/75R15 it reads 5.7% low, 63.6 mph at an indicated 60.
- 215/75R15 (2002 and 2005–2006 · X, SE). 30x9.50R15 is 2.3 in taller: with a speedometer set for 215/75R15 it reads 7.7% low, 65.0 mph at an indicated 60.
- 205/75R15 (2002 · SE). 30x9.50R15 is 2.9 in taller: with a speedometer set for 205/75R15 it reads 9.6% low, 66.4 mph at an indicated 60.

Documents last checked Oct 9, 2026. How we read them and what the marks mean: how we source the numbers. A figure doesn’t match its document? Report a wrong number.

03 / Nearby sizes

Sizes either side of 30x9.50R15

The nearest common upsizes and the next sizes down on the same wheel, from the stock sizes we cover and the sizes owners usually step up to, and sizes about as tall on another wheel.

Nearest sizes up

Nearest sizes up, compared with 30x9.50R15
Size	Tallin	Heightvs 30x9.50R15	Widthvs 30x9.50R15	At an indicated 60true mph	Compare
265/75R15	30.6	+0.6 in	+0.9 in	61.360.4 to 62.2	Compare →
31x10.50R15	31.0	+1.0 in	+1.0 in	62.061.1 to 62.9	Compare →
33x12.50R15	33.0	+3.0 in	+3.0 in	66.065.0 to 67.0	Compare →

Next sizes down

Next sizes down, compared with 30x9.50R15
Size	Tallin	Heightvs 30x9.50R15	Widthvs 30x9.50R15	At an indicated 60true mph	Compare
235/75R15	28.9	−1.1 in	−0.2 in	57.856.9 to 58.6	Compare →
225/75R15	28.3	−1.7 in	−0.6 in	56.655.7 to 57.4	Compare →

About as tall, other wheels

About as tall, other wheels, compared with 30x9.50R15
Size	Tallin	Heightvs 30x9.50R15	Widthvs 30x9.50R15	At an indicated 60true mph	Compare
235/65R18	30.0	±0.0 in	−0.2 in	60.159.2 to 61.0	Compare →
255/50R20	30.0	±0.0 in	+0.5 in	60.159.2 to 61.0	Compare →
255/55R19	30.0	±0.0 in	+0.5 in	60.159.2 to 61.0	Compare →
235/70R17	30.0	±0.0 in	−0.2 in	59.959.0 to 60.8	Compare →

04 / Next

Compare it with your size

Tire size calculator30x9.50R15 against 265/75R15, or any two sizes: height, speedometer and gearing.Compare sizes Tire sizes by vehicleEvery stock size on the trucks and SUVs we cover.Browse sizes Jeep Wrangler tiresStock tires and wheels by trim, and what bigger tires change on the Jeep Wrangler.See the tires

05 / FAQ

Questions people ask

What is 30x9.50R15 in millimeters?

762 mm tall and 241 mm wide on a 15-inch (381 mm) wheel.

Which vehicles come with 30x9.50R15 tires?

In our data: Jeep Wrangler (2002 and 2005–2006).

How does 30x9.50R15 compare with the Jeep Wrangler’s other stock sizes?

30x9.50R15 is 0.5 in shorter: with a speedometer set for 245/75R16 it reads 1.6% high, 59.1 mph at an indicated 60. 30x9.50R15 is 1.7 in taller: with a speedometer set for 225/75R15 it reads 5.7% low, 63.6 mph at an indicated 60. 30x9.50R15 is 2.3 in taller: with a speedometer set for 215/75R15 it reads 7.7% low, 65.0 mph at an indicated 60.

What is the next size up from 30x9.50R15?

265/75R15: about 0.6 in taller and 0.9 in wider. On a speedometer set for 30x9.50R15 it reads 2.1% low (61.3 mph at an indicated 60).