235/35 R18 doesn't belong to the most popular dimensions for winter 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 - 35 is height of the tyre, which is calculated as 35% of the tyre width (235mm), which means the sidewall height has 82.25 mm. The wheel diameter is R18, which means it fits to a 18 inch/457.2mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 305/25 R20
(2075.02 mm), 235/30 R20
(2038.89 mm), 235/45 R19
(2180.58 mm), 235/55 R20
(2408.03 mm), 235/75 R15
(2304.36 mm), 160/60 R15
(1800.13 mm), 245/40 R18
(2052.09 mm).
