T115/70D14 in inches

How tall is a T115 70D14 tire?

When converted to inches, the equivalent of a T115/70D14 tire size is 20.4x4.5D14. It means that:

  • height overall (or diameter) is 20.4 inches
  • tread width is 4.5 inches
  • wheel diameter is 14 inches

Learn more

T115/70D14 tire size in inches
T115/70D14 tire size chart

T115/70D14 tire size in inches

T115/70D14 Height / overall diameter: 20.4 inches
Height / overall diameter
20.4 inches
T115/70D14 Tread width: 4.5 inches
Tread width
4.5 inches
T115/70D14 Sidewall: 3.2 inches
Sidewall
3.2 inches
T115/70D14 Wheel diameter: 14 inches
Wheel diameter
14 inches
T115/70D14 Circumference: 64.1 inches
Circumference
64.1 inches
T115/70D14 Revolutions: 990 per mile
Revolutions
990 per mile

T115/70D14 — what does it mean?

  • T means "temporary"
  • 115 stands for tread width in millimeters
  • 70 is an aspect ration between the tread width and the sidewall in percents
  • D means that the tire has a diagonal construction
  • 14 is a wheel diameter (or rim) in inches

T115/70D14 tire code
T115/70D14 tire code

How to convert T115 70D14 to inches?

First of all, we need to divide 115 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 4.5″. Then, 70% of the 4.5″ will result in 3.2″ sidewall.

To get the total height or tire diameter, we need to sum the 14″ rim diameter with two of the sidewall heights. It will result in a 20.4″ total tire diameter (or height).

For your convenience, below is a table for T115/70D14 conversion to inches:

Inches Metric
Overall diameter (height) 20.4″ 518 mm
Tread width 4.5″ 115 mm
Wheel diameter 14″ 518 mm
Sidewall height 3.2″ 81 mm
Circumference 64.1″ 1627 mm
Revolutions 990 / ml 615 / km

Alternatives to a T115/70D14 tire

If you're looking to upsize your T115 70D14 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
115/70R14 20.4″ 0% 4.5″ 14″
125/70R14 21″ 0.71% 4.9″ 14″
155/55R14 20.6″ 0.24% 6.1″ 14″
165/50R14 20.6″ 0.24% 6.5″ 14″
175/50R14 21″ 0.71% 6.9″ 14″
195/40R14 20.2″ -0.24% 7.7″ 14″
195/45R14 21″ 0.71% 7.7″ 14″
215/40R14 20.8″ 0.48% 8.5″ 14″
T115/70R14 20.4″ 0% 4.5″ 14″
T125/70D14 21″ 0.71% 4.9″ 14″