Technical Calculator

Tire Size Calculator

Enter tire code and specification in the calculator and the tool will describe the dimensions of the tire.

Tire Calculator
Tire Comparison
Sizes / R
Result
Diameter
Width
Sidewall
Circum.
Revs/Mile
inches mm
Tire Size Visualizer
Tire Front View
Width
Dia.
Tire Side View
Wheel Side View
full tire show
Circ.
Rim
Wall
Revs/Mile



Tire Size Comparison Visualizer
Tire 1 Front View
Width
Dia.
Tire 2 Front View
Width
Dia.
Tire 1 Side View
Tire 1 Wheel
Arrow Image of Tire
Circ.
Rim
Wall
Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Image of Arrow Angle two
Circ.
Rim
Wall
Revs/Mile
Speedometer Error
(Set Size1 to OEM Size)

Actual
Alternate Tire Sizes

add to favorites Add to favorites

ADVERTISEMENT
ADVERTISEMENT

The way to Calculate the Tire Dimensions?

the subsequent method calculates the size of the tire:

segment peak = component Ratio × Tire Width

Tire Diameter = Wheel Diameter + 2 × phase height

There are various phrases, we need to understand for tire size conversion. those consist of:

Factor Ratio:

The aspect ratio of a tire is calculated as follows:

Component Ratio = peak of tire rim/width of tire rim

The tire size conversion of element ratio is written in possibilities. An issue ratio of 70 way the tire's top is 70% of its width.

A way to study the Tire Code?

There are sure tire conversions blanketed within the tire code:

The Intend of Use:

The first part of the code is made up of 1 or 2 letters (P, LT, ST, T) and defines the type of car that the tire is meant to be used to. ;

There are four automobile lessons:

  • P stands for a passenger vehicle.
  • LT stands for a mild truck.
  • ST stands for a special trailer.
  • T stands for temporary.

Our tire size conversion calculator will help you discover the difference in external dimensions of the wheels, top clearance, revolutions in keeping with mile, and different characteristics and capacities of the tires. this is crucial while installing tires of different sizes in your car

Nominal segment:

The primary wide variety of the tire code is the width in millimeters. You want to divide this number through 25.4 to get the inch equal as there may be 25.four mm 1 inch of the tire measurements. In this situation, the 285/75/R16, the 285 is the width of the tire. The variety preceded by using R is the issue ratio of the tire.

And the range after the tire is the diameter of the tire.

Inner construction:

The letter (B, D, and R) indicates the inner creation of the tire. The inner shape of the tire is answerable for the strength and durability of a tire.

  • R stands for radial.
  • D stands for diagonal.
  • B indicates a bias-belted tire

Load Index or the capability:

The variety before the “H” is the weight index or the capacity of the load the tire can bear.

The velocity rating:

The last alphanumeric components indicate the speed score, in this example, it's miles “H”, “M” and many others.

US DOT Code:

The DOT code is a code inside the america for the business enterprise, factory, batch, mildew, and date of production of the tire.

Running of the Tire length Calculator:

For converting the tire dimensions with a tire conversion calculator, you want to observe the stairs:

Input:

  • select the ideal choice
  • input the tire specification
  • Hit the calculate

Output:

  • Diameter of tires dimensions
  • Width of tire
  • Sidewall of tire
  • Circumference of tire
  • Mileage of the tire

FAQs.

What is a Tire Size Calculator.

, a Gauge helps find the right tread for cars by figuring out the tire width, sidewall angle, and wheel measurement. It ensures compatibility and helps compare different tire sizes.

How does a Tire Size Calculator work.

It takes parameters like sidewall breadth, aspect ratio, and wheel diameter, then computes wheel stature, circumferential measurement, and revolutions per mile to compare with various tire sizes.

Why is knowing my tire size important.

The correct tire size ensures proper speedometer readings, handling, and fuel efficiency. Incorrect sizes can affect ride quality, safety, and even vehicle performance.

Where can I find my tire size.

Your tire size is stamped on the tire's sidewall; it's shown as 225/50R17, with 225 indicating the width (mm), 50 representing the profile height ratio (%), and 17 denoting the rim diameter (inches).

Can I change my tire size.

I agree, yet it's important to keep the overall diameter consistent to prevent problems with speedometer readings, traction control, and driving stability.

What happens if I use the wrong tire size.

"Improper wheel diameters may impact riding smoothness, gasoline efficiency, stopping range, and cause speed indicator errors. "It may also cause clearance issues with fenders or suspension.

How does aspect ratio affect my tires.

The proportion (elevation of the rim to its breadth) influences driving performance. A steeper ride angle results in shorter and sturdier cabin support, whereas a wider angle angle is more comfortable.

What is the difference between metric and flotation tire sizes.

Metric sizes (e. g. , 225/65R17) use width, aspect ratio, and rim size. Off-road tires have common sizes like 35 with 12. 5 inches wide and use a 17-inch rim.

Can I use a wider tire on my vehicle.

Indeed, yet you must confirm it aligns seamlessly with your vehicle and maintain the space between wheels and the vehicle's underside. Broader rubber sections offer increased traction but may diminish mileage and compromise steering.

Does tire size affect fuel economy.

I would like to request for the sentence to be rephrased using synonyms for every word except for the first one, commencing with the term ' '. If alternative words are used, I might be held accountable. Smaller or factory-recommended sizes usually optimize mileage.

How does changing tire size impact my speedometer.

If the total tire girth broadens, your speed dial will indicate a diminished speed than the real one. If the radius diminishes, it will indicate a faster rate than you are moving.

What is the recommended tire pressure for different sizes.

Tire pressure depends on vehicle specifications rather than size alone. Verify your vehicle's guidebook or the panel inside the driver's side door for the accurate TRACTION pressure level.

Do larger tires improve vehicle performance.

Larger tires can make driving on rough terrain better and grip the ground more, but they make it hard to speed up and stop quickly and use more fuel on smooth highways.

How often should I replace my tires.

Check tires every 3-6 years or if the rubber part touching the ground wears thin, less than an eighth of an inch (3. 2 mm). Uneven wear, cracks, and bulges also indicate replacement is needed.

What is the best way to choose new tires.

Employ a Wheel Dimension Assessor to evaluate dimensions, review producer guidelines, contemplate your driving conditions, and guarantee appropriate sizing prior to buying novel tires.