245/30R21 Tire Size in Inches

245/30R21 is a metric tire size representation, which defines that the tires have a width of 245 mm, 30 is the aspect ratio and a rim diameter of 21 inches. In the imperial system the tire size 245/30R21 equates to a 26.8×9.6R21 that is commonly used in the automotive industry. So Converting 245/30R21 in inches the tires have a length of 26.8 inches, a width of 9.6 inches, a sidewall height of 2.9 inches and The number of complete resolutions made by the corresponding tire size is equal to 752 per mile with a circumference of 84.2 inches.

245/30R21 tire size in inches

245/30R21inchesmm
Tire Diameter26.8 inches681 mm
Tread Width9.6 inches245 mm
Rim Diameter21 inches533 mm
Sidewall Height2.9 inches74 mm
Circumference84.2 inches2138 mm
Revolutions752 per mile468 per km

Tire Size Calculator

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245/30R21 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 245/30R21 tires.

Tire Size Overall Diameter Difference
275/25R21 26.4″ (671 mm) -1.5%
235/30R21 26.6″ (675 mm) -0.9%
295/25R21 26.8″ (681 mm) 0%
375/20R21 26.9″ (683 mm) 0.3%
305/25R21 27″ (685 mm) 0.6%
255/30R21 27″ (687 mm) 0.9%
265/25R22 27.2″ (691 mm) 1.5%
265/30R21 27.3″ (693 mm) 1.8%
325/25R21 27.4″ (695 mm) 2.1%
225/30R22 27.4″ (695 mm) 2.1%
275/25R22 27.4″ (697 mm) 2.3%
235/35R21 27.4″ (697 mm) 2.3%
275/30R21 27.5″ (699 mm) 2.6%
285/25R22 27.6″ (701 mm) 2.9%
235/30R22 27.6″ (701 mm) 2.9%

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