305/70 R22.5 - Best winter tyres 2025 - market overview, tests, reviews

305/70 R22.5 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 - 70 is height of the tyre, which is calculated as 70% of the tyre width (305mm), which means the sidewall height has 213.5 mm. The wheel diameter is R23, which means it fits to a 23 inch/584.2mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 225/40 R18(2001.82 mm), 285/60 R18(2510.76 mm), 225/55 R16(2054.29 mm), 295/35 R20(2244.67 mm), 225/65 R16(2195.66 mm), 315/30 R22(2349.28 mm), 235/40 R17(1947.16 mm).