Tire Size Calculator
Use our tire size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tire. Just type in a metric or standard size tire and click calculate.
Tire Size Explained: What the Numbers Mean | Les Schwab
The three-digit number following the letter is the tire’s width (from side to side, looking at the tire head-on) in millimeters. This may also be referred to as the section width. The forward slash separates the …
How to Read & Determine Tire Size for Your Vehicle
The first number to appear in your tire size information is the width, in millimeters, of the correct tires for your vehicle: P225/70R16 91S. Tire width always refers to the measurement from one sidewall to …
Different Tire Widths and Their Properties: How It Impacts Your Ride
Tire width refers to the measurement of a tire’s cross-sectional footprint, perpendicular to the direction of travel. It’s typically expressed in millimeters and represents the distance between the outer sidewalls …
Tire Size Calculator
Use our tire size calculator or tire size chart to do a quick side-by-side tire size comparison. If you plan on upsizing or downsizing your tires, our tire calculator can help you make sure you get the ideal tire …
How is tire width measured? · Help Center - Summit Racing
Overall width is the total width of the tire, including any raised features on the sidewall. Overall width is important to ensure proper clearance. Thread width is the measurement between the edges of a …
What Is The Width On A Tire? Explained | CarsBibles
Jul 30, 2025 · Tire width, often expressed in millimeters, is the measurement of the tire’s cross-section from sidewall to sidewall. It’s the first number you’ll see in the tire’s size designation, for example, …
Rim & Tire Size Calculator. Custom Offsets - Wheel-Size.com
4 days ago · Rim & Tire Size Calculator See how changing your tire size affects your car’s performance Our wheel size calculator is the most comprehensive tire comparison tool suitable for passenger …
The Ultimate Tire Size Guide
Each component of a tire size, from the width and aspect ratio to the load index and speed rating, plays a crucial role in ensuring the safety, performance, and efficiency of your vehicle. Our tire size guide …
Tire Width Explained: Finding the Right Size for Your Vehicle
Jan 29, 2025 · Tire width is defined as the measurement from one side of the tire to the other, including the sidewall. This measurement is expressed in millimeters (mm) and is typically the first number in a …