195/45R13 in inches

How tall is a 195 45R13 tire?

When converted to inches, the equivalent of a 195/45R13 tire size is 20x7.7R13. It means that:

  • height overall (or diameter) is 20 inches
  • tread width is 7.7 inches
  • wheel diameter is 13 inches

Learn more

195/45R13 tire size in inches
195/45R13 tire size chart

195/45R13 tire size in inches

195/45R13 Height / overall diameter: 20 inches
Height / overall diameter
20 inches
195/45R13 Tread width: 7.7 inches
Tread width
7.7 inches
195/45R13 Sidewall: 3.5 inches
Sidewall
3.5 inches
195/45R13 Wheel diameter: 13 inches
Wheel diameter
13 inches
195/45R13 Circumference: 62.8 inches
Circumference
62.8 inches
195/45R13 Revolutions: 1009 per mile
Revolutions
1009 per mile

195/45R13 — what does it mean?

  • 195 stands for tread width in millimeters
  • 45 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

195/45R13 tire code
195/45R13 tire code

How to convert 195 45R13 to inches?

First of all, we need to divide 195 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 7.7″. Then, 45% of the 7.7″ will result in 3.5″ 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″ total tire diameter (or height).

For your convenience, below is a table for 195/45R13 conversion to inches:

Inches Metric
Overall diameter (height) 20″ 508 mm
Tread width 7.7″ 195 mm
Wheel diameter 13″ 508 mm
Sidewall height 3.5″ 88 mm
Circumference 62.8″ 1595 mm
Revolutions 1009 / ml 627 / km

Alternatives to a 195/45R13 tire

If you're looking to upsize your 195 45R13 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
105/80R13 19.6″ -0.5% 4.1″ 13″
135/70R13 20.4″ 0.49% 5.3″ 13″
145/60R13 19.8″ -0.25% 5.7″ 13″
145/65R13 20.4″ 0.49% 5.7″ 13″
165/55R13 20.2″ 0.24% 6.5″ 13″
175/50R13 20″ 0% 6.9″ 13″
175/55R13 20.6″ 0.73% 6.9″ 13″
P175/50R13 20″ 0% 6.9″ 13″
T105/80D13 19.6″ -0.5% 4.1″ 13″
T105/80R13 19.6″ -0.5% 4.1″ 13″