LT285/70R15 in inches

How tall is a LT285 70R15 tire?

When converted to inches, the equivalent of a LT285/70R15 tire size is 30.8x11.2R15. It means that:

  • height overall (or diameter) is 30.8 inches
  • tread width is 11.2 inches
  • wheel diameter is 15 inches

Learn more

LT285/70R15 tire size in inches
LT285/70R15 tire size chart

LT285/70R15 tire size in inches

LT285/70R15 Height / overall diameter: 30.8 inches
Height / overall diameter
30.8 inches
LT285/70R15 Tread width: 11.2 inches
Tread width
11.2 inches
LT285/70R15 Sidewall: 7.9 inches
Sidewall
7.9 inches
LT285/70R15 Wheel diameter: 15 inches
Wheel diameter
15 inches
LT285/70R15 Circumference: 96.7 inches
Circumference
96.7 inches
LT285/70R15 Revolutions: 655 per mile
Revolutions
655 per mile

LT285/70R15 — what does it mean?

  • LT means "light truck"
  • 285 stands for tread width in millimeters
  • 70 is an aspect ration between the tread width and the sidewall in percents
  • R means that the tire has a radial construction
  • 15 is a wheel diameter (or rim) in inches

LT285/70R15 tire code
LT285/70R15 tire code

How to convert LT285 70R15 to inches?

First of all, we need to divide 285 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 11.2″. Then, 70% of the 11.2″ will result in 7.9″ sidewall.

To get the total height or tire diameter, we need to sum the 15″ rim diameter with two of the sidewall heights. It will result in a 30.8″ total tire diameter (or height).

For your convenience, below is a table for LT285/70R15 conversion to inches:

Inches Metric
Overall diameter (height) 30.8″ 782 mm
Tread width 11.2″ 285 mm
Wheel diameter 15″ 782 mm
Sidewall height 7.9″ 200 mm
Circumference 96.7″ 2455 mm
Revolutions 655 / ml 407 / km

Alternatives to a LT285/70R15 tire

If you're looking to upsize your LT285 70R15 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
265/75R15 30.6″ -0.16% 10.4″ 15″
255/75R15 30″ -0.65% 10″ 15″
275/70R15 30.2″ -0.48% 10.8″ 15″
285/70R15 30.8″ 0% 11.2″ 15″
295/65R15 30.2″ -0.48% 11.6″ 15″
315/60R15 29.8″ -0.81% 12.4″ 15″
325/60R15 30.4″ -0.32% 12.8″ 15″
345/55R15 30″ -0.65% 13.6″ 15″
LT255/75R15 30″ -0.65% 10″ 15″
LT265/75R15 30.6″ -0.16% 10.4″ 15″