215/70R20 is 32 inches tall
But without a specific wheel width or desired tire width a "Correct" exact tire size is not possible.
To figure out what you need search "Tire Size Calculator on Google and choose the Miata.net choice
30 inches tall, tread width of 9.5 inches, on a 15 inch diameter rim.
The stock front tire size is 22x7x10. This means the tire is 22 inches tall, 7 inches wide, and fits on a 10 inch rim. The stock rear tire size is 22x10x9. 22" tall, 10" wide, 9" rim. The stock tire brand is Ohtsu.
305 is not a tire size. What is the complete size of the tire.
That is 12 and 1/2 inches
A tire that is 33 inches tall, 12.5 inches wide and is made for an 18 inch diameter rim.
A 235 85 16 tire is 31.72 inches in diameter and has a 15.86 inch radius and a 99.65 inch circumference
That number is the width of your tire in millimeter units. In inch units it is 10.43 inches
9.25" wide 21.55" tall
Inch size is the most widely used measurement in ATV tires, lawn tires, some older motorcycle tires and automotive tires. For the ATV tire size 22x12x9: 22 = The overall height of the tire when mounted and inflated to recommended air pressure. In this example, the tire is 22 inches tall. 12 = The overall width of the tire when mounted and inflated to recommended air pressure. In this example, the tire is 8 inches wide. 9 = The diameter of the wheel that this tire will mount to. In this case it will be a 9 inch diameter wheel.
25.5 inches tall
Depends on your wheel size.
10x75x17 10 inches wide (= 255 mm) 75% profile 17 inch wheel diameter