Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
285/70r16 vs 265/70r17 Tire Comparison Side By Side
  285/70-16 265/70-17 Difference
Diameter inches (mm) 31.71 (805.4) 31.61 (802.8) -0.1 (-2.6) -0.3%
Width inches (mm) 11.22 (285) 10.43 (265) -0.79 (-20) -7%
Circum. inches (mm) 99.62 (2530.24) 99.29 (2522.07) -0.32 (-8.17) -0.3%
Sidewall Height inches (mm) 7.85 (199.5) 7.3 (185.5) -0.55 (-14) -7%
Revolutions per mile (km) 636.04 (395.22) 638.1 (396.5) 2.06 (1.28) 0.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.94 mph (32.08 km/h)
25 mph (40.23 km/h)24.92 mph (40.1 km/h)
30 mph (48.28 km/h)29.9 mph (48.12 km/h)
35 mph (56.33 km/h)34.89 mph (56.15 km/h)
40 mph (64.37 km/h)39.87 mph (64.17 km/h)
45 mph (72.42 km/h)44.85 mph (72.19 km/h)
50 mph (80.47 km/h)49.84 mph (80.21 km/h)
55 mph (88.51 km/h)54.82 mph (88.23 km/h)
60 mph (96.56 km/h)59.81 mph (96.25 km/h)
65 mph (104.61 km/h)64.79 mph (104.27 km/h)
70 mph (112.65 km/h)69.77 mph (112.29 km/h)
75 mph (120.7 km/h)74.76 mph (120.31 km/h)
80 mph (128.75 km/h)79.74 mph (128.33 km/h)
85 mph (136.79 km/h)84.73 mph (136.35 km/h)
90 mph (144.84 km/h)89.71 mph (144.37 km/h)
95 mph (152.89 km/h)94.69 mph (152.39 km/h)
100 mph (160.93 km/h)99.68 mph (160.42 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
16241886203221212218228723632453257727022840295131513372354536553718394642634954
Better Fuel Economy Factory Ratios Increased Power

Most Popular 285/70-R16 Comparisons

To Top