155/60 R15 doesn't belong to the most popular dimensions for all-tests tyres - there are tyre models available, which can be compared to
325/30 R21,
155/65 R13,
155/65 R14. Let's break down the sizing - 60 is height of the tyre, which is calculated as 60% of the tyre width (155mm), which means the sidewall height has 93 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 205/55 R17
(2064.97 mm), 275/35 R18
(2041.09 mm), 205/80 R16
(2307.19 mm), 275/40 R22
(2446.67 mm), 215/50 R17
(2031.98 mm), 275/65 R17
(2479.66 mm), 215/65 R16
(2154.82 mm).
