145/65R13 in inches

How tall is a 145 65R13 tire?

When converted to inches, the equivalent of a 145/65R13 tire size is 20.4x5.7R13. It means that:

  • height overall (or diameter) is 20.4 inches
  • tread width is 5.7 inches
  • wheel diameter is 13 inches

Learn more

145/65R13 tire size in inches
145/65R13 tire size chart

145/65R13 tire size in inches

145/65R13 Height / overall diameter: 20.4 inches
Height / overall diameter
20.4 inches
145/65R13 Tread width: 5.7 inches
Tread width
5.7 inches
145/65R13 Sidewall: 3.7 inches
Sidewall
3.7 inches
145/65R13 Wheel diameter: 13 inches
Wheel diameter
13 inches
145/65R13 Circumference: 64.1 inches
Circumference
64.1 inches
145/65R13 Revolutions: 990 per mile
Revolutions
990 per mile

145/65R13 — what does it mean?

  • 145 stands for tread width in millimeters
  • 65 is an aspect ration between the tread width and the sidewall in percents
  • R means that the tire has a radial construction
  • 13 is a wheel diameter (or rim) in inches

145/65R13 tire code
145/65R13 tire code

How to convert 145 65R13 to inches?

First of all, we need to divide 145 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 5.7″. Then, 65% of the 5.7″ will result in 3.7″ sidewall.

To get the total height or tire diameter, we need to sum the 13″ 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 145/65R13 conversion to inches:

Inches Metric
Overall diameter (height) 20.4″ 518 mm
Tread width 5.7″ 145 mm
Wheel diameter 13″ 518 mm
Sidewall height 3.7″ 94 mm
Circumference 64.1″ 1627 mm
Revolutions 990 / ml 615 / km

Alternatives to a 145/65R13 tire

If you're looking to upsize your 145 65R13 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
125/80R13 20.8″ 0.48% 4.9″ 13″
135/70R13 20.4″ 0% 5.3″ 13″
145/60R13 19.8″ -0.73% 5.7″ 13″
145/70R13 21″ 0.71% 5.7″ 13″
155/65R13 21″ 0.71% 6.1″ 13″
165/55R13 20.2″ -0.24% 6.5″ 13″
165/60R13 20.8″ 0.48% 6.5″ 13″
175/50R13 20″ -0.49% 6.9″ 13″
175/55R13 20.6″ 0.24% 6.9″ 13″
185/55R13 21″ 0.71% 7.3″ 13″