Found this website that can calculate tires sizes for you. Here is a link and the results I got


Specification Sidewall Radius Diameter Circumference Revolutions Difference

205/55-16 4.4 in 12.4 in 24.9 in 78.2 in 811 / mile 0.0%

225/50-16 4.4 in 12.4 in 24.9 in 78.1 in 811 / mile -0.1%

205/50-17 4.0 in 12.5 in 25.1 in 78.8 in 804 / mile 0.8%

215/50-17 4.2 in 12.7 in 25.5 in 80.0 in 792 / mile 2.4%

225/45-17 4.0 in 12.5 in 25.0 in 78.5 in 808 / mile 0.4%

245/40-17 3.9 in 12.4 in 24.7 in 77.6 in 816 / mile -0.6%

255/40-17 4.0 in 12.5 in 25.0 in 78.6 in 806 / mile 0.6%

225/40-18 3.5 in 12.5 in 25.1 in 78.8 in 804 / mile 0.8%

245/35-18 3.4 in 12.4 in 24.8 in 77.8 in 815 / mile -0.5%

255/35-18 3.5 in 12.5 in 25.0 in 78.6 in 806 / mile 0.6%

215/35-19 3.0 in 12.5 in 24.9 in 78.3 in 809 / mile 0.2%

225/35-19 3.1 in 12.6 in 25.2 in 79.2 in 800 / mile 1.3%

235/35-19 3.2 in 12.7 in 25.5 in 80.0 in 792 / mile 2.4%

245/35-19 3.4 in 12.9 in 25.8 in 80.9 in 783 / mile 3.5%

265/30-19 3.1 in 12.6 in 25.3 in 79.4 in 798 / mile 1.5%




TIRE SIZE

 

Those are all estimates. Different tires in the same size will have different specifications.

Jim