Plus Sizing & Upsizing Tire Options Calculator
Explore tire options when changing your wheel diameter while maintaining a similar overall tire height. Suitable for both plus-sizing (larger wheels) and minus-sizing (e.g., for winter tires).
Plus sizing is a popular way to enhance your vehicle's appearance and potentially its handling by fitting larger diameter wheels with lower profile tires. Conversely, "minus sizing" (often for winter tires) involves fitting smaller diameter wheels with taller profile tires.
In both cases, the primary goal is to select a new tire size that keeps the overall tire diameter very close to your vehicle's original equipment (OE) specifications. This calculator helps you explore various tire size options suitable for a new target rim diameter (either larger or smaller than your original), while aiming to keep the overall tire height consistent.
Maintaining a similar overall diameter is crucial to avoid issues with: - Speedometer and odometer accuracy - Anti-lock Braking Systems (ABS) - Traction control and stability control systems - Vehicle gearing and fuel economy - Drivetrain stress, especially on All-Wheel Drive (AWD) vehicles.
This tool provides theoretical options; always verify fitment and consult with a professional.
- Enter the P-Metric specifications (Width, Aspect Ratio, Rim Diameter) for your vehicle's Original Tire.
- Enter your desired Target New Rim Diameter in inches. This can be larger for plus sizing or smaller for minus sizing.
- Click "Calculate Options".
- The results table will show potential new tire sizes for your target rim diameter that aim to keep the overall tire height close to your original, along with the percentage difference.
- Pay close attention to the 'Recommendation' column. Green checkmarks indicate the overall diameter is within an acceptable tolerance (typically +/- 3%) of the original.
- Consider factors like tire availability, load index, speed rating, and wheel width compatibility for the suggested sizes.
All tools and information provided on TireCalculatorHub are for informational purposes only. Tire sizing calculations are theoretical. Always verify actual tire dimensions with the manufacturer, check for proper vehicle clearance, and consult with a qualified professional before making any modifications to your vehicle's wheel and tire setup.
TireCalculatorHub is not liable for any damages or issues arising from the use of information or tools on this website.