Welcome to Tire Size Calculator, your trusted source for accurate, easy-to-use tire and wheel calculation tools.

We understand how important it is to choose the right tire size for your vehicle. That’s why we built a platform that delivers instant, reliable results to help you make smart decisions.

What We Offer

Our site features a growing suite of free tools designed for both car owners and enthusiasts, including:

• ✅ Tire Size Calculator – Compare current and new tire sizes
• ✅ Tire Size Comparison – Visual and numerical difference between two tire specs
• ✅ Tire Pressure Calculator – Recommended PSI based on load and specs
• ✅ Wheel Offset Calculator – Understand how wheel offset affects clearance
• ✅ Gear Ratio Calculator – Match gear ratios with tire size and speed
• ✅ Speedometer Error Calculator – See how tire changes affect your speedometer
• ✅ Bolt Pattern Converter – Easily switch between metric and standard patterns
• ✅ Tire Diameter Calculator – Instantly compute overall tire height

Our Mission

We aim to make tire and wheel sizing simple, visual, and accurate for everyone, from first-time car buyers to seasoned mechanics. Our tools are built with precision, and we continuously improve them to reflect real-world vehicle data and user feedback.

Get in Touch

Have suggestions, questions, or feedback? We’d love to hear from you!

Email: info@tiresize-calculator.online