# ST215/80R16 in inches

## How tall is a ST215 80R16 tire?

When converted to inches, the equivalent of a ST215/80R16 tire size is 29.6x8.5R16. It means that:

• height overall (or diameter) is 29.6 inches
• tread width is 8.5 inches
• wheel diameter is 16 inches

## ST215/80R16 tire size in inches

Height / overall diameter
29.6 inches
Tread width
8.5 inches
Sidewall
6.8 inches
Wheel diameter
16 inches
Circumference
92.9 inches
Revolutions
682 per mile

## ST215/80R16 — what does it mean?

• ST means "special trailer"
• 215 stands for tread width in millimeters
• 80 is an aspect ration between the tread width and the sidewall in percents
• R means that the tire has a radial construction
• 16 is a wheel diameter (or rim) in inches

## How to convert ST215 80R16 to inches?

First of all, we need to divide 215 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 8.5″. Then, 80% of the 8.5″ will result in 6.8″ sidewall.

To get the total height or tire diameter, we need to sum the 16″ rim diameter with two of the sidewall heights. It will result in a 29.6″ total tire diameter (or height).

For your convenience, below is a table for ST215/80R16 conversion to inches:

Inches Metric
Overall diameter (height) 29.6″ 752 mm
Tread width 8.5″ 215 mm
Wheel diameter 16″ 752 mm
Sidewall height 6.8″ 172 mm
Circumference 92.9″ 2361 mm
Revolutions 682 / ml 424 / km

## Alternatives to a ST215/80R16 tire

If you're looking to upsize your ST215 80R16 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
245/75R16 30.4″ 0.66% 9.6″ 16″
LT245/75R16 30.4″ 0.66% 9.6″ 16″
235/70R16 29″ -0.5% 9.3″ 16″
245/70R16 29.6″ 0% 9.6″ 16″
255/70R16 30″ 0.33% 10″ 16″
225/75R16 29.4″ -0.17% 8.9″ 16″
215/85R16 30.4″ 0.66% 8.5″ 16″
275/65R16 30″ 0.33% 10.8″ 16″
235/75R16 29.8″ 0.17% 9.3″ 16″
265/65R16 29.6″ 0% 10.4″ 16″