Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/50r10 vs 215/50r10 Tire Comparison Side By Side
  205/50-10 215/50-10 Difference
Diameter inches (mm) 18.07 (459) 18.46 (469) 0.39 (10) 2.2%
Width inches (mm) 8.07 (205) 8.46 (215) 0.39 (10) 4.9%
Circum. inches (mm) 56.77 (1441.99) 58.01 (1473.41) 1.24 (31.42) 2.2%
Sidewall Height inches (mm) 4.04 (102.5) 4.23 (107.5) 0.2 (5) 4.9%
Revolutions per mile (km) 1116.06 (693.48) 1092.26 (678.7) -23.8 (-14.79) -2.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.44 mph (32.89 km/h)
25 mph (40.23 km/h)25.54 mph (41.11 km/h)
30 mph (48.28 km/h)30.65 mph (49.33 km/h)
35 mph (56.33 km/h)35.76 mph (57.55 km/h)
40 mph (64.37 km/h)40.87 mph (65.78 km/h)
45 mph (72.42 km/h)45.98 mph (74 km/h)
50 mph (80.47 km/h)51.09 mph (82.22 km/h)
55 mph (88.51 km/h)56.2 mph (90.44 km/h)
60 mph (96.56 km/h)61.31 mph (98.66 km/h)
65 mph (104.61 km/h)66.42 mph (106.89 km/h)
70 mph (112.65 km/h)71.53 mph (115.11 km/h)
75 mph (120.7 km/h)76.63 mph (123.33 km/h)
80 mph (128.75 km/h)81.74 mph (131.55 km/h)
85 mph (136.79 km/h)86.85 mph (139.77 km/h)
90 mph (144.84 km/h)91.96 mph (148 km/h)
95 mph (152.89 km/h)97.07 mph (156.22 km/h)
100 mph (160.93 km/h)102.18 mph (164.44 km/h)

Gear Ratio / RPMs for New Tire (@ 65 mph)
2.35 2.73 2.94 3.07 3.21 3.31 3.42 3.55 3.73 3.91 4.11 4.27 4.56 4.88 5.13 5.29 5.38 5.71 6.17 7.17
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Better Fuel Economy Factory Ratios Increased Power

Most Popular 205/50-R10 Comparisons

To Top