205/60R16
Section Width (mm): 205; Aspect Ratio (%): 60; Wheel Diameter (inches): 16
Sidewall Height (mm): 123 mm; Sidewall Height (inches): 4.842519685 in; Tire Diameter (inches): 25.68503937 in; Tire Circumference (inches): 80.69186283 in
Tire Size Calculator
Other0.0(0)
Calculates tire dimensions based on tire size specifications.
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Section Width (mm), Aspect Ratio (%), and Wheel Diameter (inches) in the units shown.
Step 2
Read Sidewall Height (mm), Sidewall Height (inches), Tire Diameter (inches), and Tire Circumference (inches) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
225/45R17
Section Width (mm): 225; Aspect Ratio (%): 45; Wheel Diameter (inches): 17
Sidewall Height (mm): 101.25 mm; Sidewall Height (inches): 3.986220472 in; Tire Diameter (inches): 24.97244094 in; Tire Circumference (inches): 78.45317075 in
215/55R17
Section Width (mm): 215; Aspect Ratio (%): 55; Wheel Diameter (inches): 17
Sidewall Height (mm): 118.25 mm; Sidewall Height (inches): 4.655511811 in; Tire Diameter (inches): 26.31102362 in; Tire Circumference (inches): 82.6584487 in
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