Tire Size Calculator
Compare tire sizes, calculate speedometer error, and find plus-size options. The complete tire sizing tool for enthusiasts and professionals.
Original Tire
New Tire
Comparison Results
| Dimension | Original | New | Difference |
|---|---|---|---|
| Overall Diameter | 26.7" | 26.3" | -0.42" |
| Section Width | 225mm | 235mm | +10mm |
| Sidewall Height | 4.87" | 4.16" | -0.71" |
| Circumference | 84.0" | 82.7" | -1.31" |
| Revs/Mile | 754 | 766 | +1.6% |
Precise Calculations
Accurate diameter, circumference, and speedo calculations
Plus-Size Guide
Find the perfect upgrade for your wheels
Vehicle Database
30+ vehicles with OEM specs
Speed Ratings
Complete speed and load references
What Users Say
"Finally a tire calculator that shows all the dimensions I need. The plus-size guide saved me hours of research."
"Love the speedometer accuracy chart. Now I know exactly what speed I'm actually going with my new tires."
"The vehicle database is incredibly helpful. Found OEM specs for my Tacoma and the recommended upgrades."
Ready to Find Your Perfect Tire Size?
Use our professional tire size calculator to compare sizes, check speedometer accuracy, and find plus-size options for your vehicle.
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