305/30R20 Tire Size in Inches

305/30R20 is a metric tire size representation, which defines that the tires have a width of 305 mm, 30 is the aspect ratio and a rim diameter of 20 inches. In the imperial system the tire size 305/30R20 equates to a 27.2×12R20 that is commonly used in the automotive industry. So Converting 305/30R20 in inches the tires have a length of 27.2 inches, a width of 12 inches, a sidewall height of 3.6 inches and The number of complete resolutions made by the corresponding tire size is equal to 742 per mile with a circumference of 85.4 inches.

305/30R20 tire size in inches

305/30R20inchesmm
Tire Diameter27.2 inches692 mm
Tread Width12 inches305 mm
Rim Diameter20 inches508 mm
Sidewall Height3.6 inches92 mm
Circumference85.4 inches2173 mm
Revolutions742 per mile460 per km

Tire Size Calculator

Tire Diameter
Tread Width
Rim Diameter
Sidewall Height
Circumference
Revolutions

305/30R20 Equivalent Tire Sizes for replacement

If you are replacing your tires, always keep in mind that they are compatible with your vehicle so that the impact on the overall performance of your vehicle can be reduced. Here we have listed some tire size that is equivalent to 305/30R20 tires.

Tire Size Overall Diameter Difference
235/35R20 26.5″ (672 mm) -2.9%
275/30R20 26.5″ (674 mm) -2.6%
235/30R21 26.6″ (675 mm) -2.5%
335/25R20 26.6″ (676 mm) -2.3%
345/25R20 26.8″ (680 mm) -1.7%
245/35R20 26.8″ (680 mm) -1.7%
285/30R20 26.8″ (680 mm) -1.7%
295/25R21 26.8″ (681 mm) -1.6%
245/30R21 26.8″ (681 mm) -1.6%
145/60R20 26.9″ (682 mm) -1.4%
375/20R21 26.9″ (683 mm) -1.3%
305/25R21 27″ (685 mm) -1%
295/30R20 27″ (686 mm) -0.9%
255/35R20 27″ (686 mm) -0.9%
255/30R21 27″ (687 mm) -0.7%
225/40R20 27.1″ (688 mm) -0.6%
265/25R22 27.2″ (691 mm) -0.1%
265/30R21 27.3″ (693 mm) 0.1%
265/35R20 27.3″ (694 mm) 0.3%
155/60R20 27.3″ (694 mm) 0.3%
225/30R22 27.4″ (695 mm) 0.4%
325/25R21 27.4″ (695 mm) 0.4%
235/40R20 27.4″ (696 mm) 0.6%
145/65R20 27.4″ (696 mm) 0.6%
275/25R22 27.4″ (697 mm) 0.7%
235/35R21 27.4″ (697 mm) 0.7%
315/30R20 27.5″ (698 mm) 0.9%
275/30R21 27.5″ (699 mm) 1%
275/35R20 27.6″ (700 mm) 1.2%
175/55R20 27.6″ (700 mm) 1.2%
235/30R22 27.6″ (701 mm) 1.3%
285/25R22 27.6″ (701 mm) 1.3%
215/45R20 27.6″ (702 mm) 1.4%
325/30R20 27.7″ (704 mm) 1.7%
195/50R20 27.7″ (704 mm) 1.7%
245/40R20 27.7″ (704 mm) 1.7%
245/35R21 27.8″ (705 mm) 1.9%
285/30R21 27.8″ (705 mm) 1.9%
165/60R20 27.8″ (706 mm) 2%
295/25R22 27.8″ (707 mm) 2.2%
245/30R22 27.8″ (707 mm) 2.2%
285/35R20 27.9″ (708 mm) 2.3%
225/45R20 28″ (710 mm) 2.6%
155/65R20 28″ (710 mm) 2.6%
335/30R20 28″ (710 mm) 2.6%
355/25R21 28″ (711 mm) 2.7%
295/30R21 28″ (711 mm) 2.7%
255/35R21 28″ (711 mm) 2.7%
305/25R22 28″ (711 mm) 2.7%
255/40R20 28″ (712 mm) 2.9%

Leave a Comment