Question: what sizes are low profile tires?
Answer: 22" Tire Diameter. 175/50R16 = 22.9x6.9R16. 195/40R16 = 22.1x7.7R16. ... 
23" Tire Diameter. 185/50R16 = 23.3X7.3R16. ... 
24" Tire Diameter. 205/50R16 = 24.1x8.1R16. ... 
25" Tire Diameter. 245/50R16 = 25.6x9.6R16. ... 
26" Tire Diameter. 255/50R16 = 26x10R16. ... 
27" Tire Diameter. 295/50R16 = 27.6x11.6R16.