255/45 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 - 45 is height of the tyre, which is calculated as 45% of the tyre width (255mm), which means the sidewall height has 114.75 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 245/50 R19
(2285.82 mm), 175/65 R13
(1752.07 mm), 255/30 R19
(1996.8 mm), 180/60 R17
(2035.12 mm), 255/40 R20
(2236.81 mm), 185/60 R16
(1974.18 mm), 255/55 R18
(2317.55 mm).
