160/60 R18 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 - 60 is height of the tyre, which is calculated as 60% of the tyre width (160mm), which means the sidewall height has 96 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 160/60 R14
(1720.34 mm), 245/40 R18
(2052.09 mm), 165/65 R15
(1870.82 mm), 245/50 R18
(2206.03 mm), 175/60 R15
(1856.68 mm), 245/75 R16
(2431.28 mm), 180/55 R17
(1978.58 mm).
