P145/80R12 Tire Size in Inches

P145/80R12 is a metric tire size representation, which defines that the tires have a width of 145 mm, 80 is the aspect ratio and a rim diameter of 12 inches. In the imperial system the tire size P145/80R12 equates to a 21.1×5.7R12 that is commonly used in the automotive industry. So Converting P145/80R12 in inches the tires have a length of 21.1 inches, a width of 5.7 inches, a sidewall height of 4.6 inches and The number of complete resolutions made by the corresponding tire size is equal to 956 per mile with a circumference of 66.3 inches.

P145/80R12 tire size in inches

P145/80R12inchesmm
Tire Diameter21.1 inches537 mm
Tread Width5.7 inches145 mm
Rim Diameter12 inches305 mm
Sidewall Height4.6 inches116 mm
Circumference66.3 inches1686 mm
Revolutions956 per mile593 per km

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P145/80R12 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 P145/80R12 tires.

Tire Size Overall Diameter Difference
135/80R12 20.5″ (521 mm) -3%
165/50R14 20.6″ (522 mm) -2.8%
175/55R13 20.6″ (522 mm) -2.8%
155/70R12 20.6″ (523 mm) -2.6%
155/55R14 20.7″ (526 mm) -2%
165/60R13 20.8″ (528 mm) -1.7%
215/40R14 20.8″ (528 mm) -1.7%
125/80R13 20.9″ (530 mm) -1.3%
175/50R14 20.9″ (532 mm) -0.9%
155/65R13 20.9″ (532 mm) -0.9%
195/45R14 20.9″ (532 mm) -0.9%
225/45R13 20.9″ (532 mm) -0.9%
125/70R14 20.9″ (532 mm) -0.9%
185/55R13 21″ (534 mm) -0.6%
255/35R14 21″ (534 mm) -0.6%
255/40R13 21″ (534 mm) -0.6%
145/70R13 21″ (534 mm) -0.6%
225/40R14 21.1″ (536 mm) -0.2%
205/50R13 21.1″ (536 mm) -0.2%
165/70R12 21.1″ (537 mm) 0%
145R12 21.1″ (537 mm) 0%
165/55R14 21.2″ (538 mm) 0.2%
205/45R14 21.3″ (540 mm) 0.6%
175/60R13 21.3″ (540 mm) 0.6%
185/50R14 21.3″ (542 mm) 0.9%
145/65R14 21.4″ (544 mm) 1.3%
195/55R13 21.4″ (544 mm) 1.3%
165/65R13 21.4″ (544 mm) 1.3%
215/50R13 21.5″ (546 mm) 1.7%
135/80R13 21.5″ (546 mm) 1.7%
155/70R13 21.6″ (548 mm) 2%
185/60R13 21.7″ (552 mm) 2.8%
155/80R12 21.8″ (553 mm) 3%
155R12 21.8″ (553 mm) 3%

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