325/55 R22 doesn't belong to the most popular dimensions for tyres - there are tyre models available, which can be compared to
325/30 R21,
155/60 R15,
155/65 R13. Let's break down the sizing - 55 is height of the tyre, which is calculated as 55% of the tyre width (325mm), which means the sidewall height has 178.75 mm. The wheel diameter is R22, which means it fits to a 22 inch/558.8mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 235/50 R19
(2254.41 mm), 235/65 R16
(2236.5 mm), 155/70 R13
(1719.08 mm), 245/35 R19
(2054.92 mm), 165/60 R14
(1739.19 mm), 245/45 R17
(2049.26 mm), 170/60 R17
(1997.42 mm).
