245/50 R19 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 - 50 is height of the tyre, which is calculated as 50% of the tyre width (245mm), which means the sidewall height has 122.5 mm. The wheel diameter is R19, which means it fits to a 19 inch/482.6mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 205/50 R16
(1920.77 mm), 275/30 R19
(2034.5 mm), 205/65 R15
(2034.18 mm), 275/40 R19
(2207.28 mm), 215/40 R18
(1976.69 mm), 275/50 R20
(2459.87 mm), 215/55 R18
(2179.32 mm).
