Wheel Size Calculator Australia

FAQs

How do you read tyre size Australia?

In Australia, tyre sizes are typically displayed in the metric system, following a format like this: 215/65R16. The first number (215) represents the width of the tyre in millimeters, the second number (65) is the aspect ratio or profile height as a percentage of the width, and the letter (R) indicates the construction type (Radial). The last number (16) indicates the diameter of the wheel the tyre is designed to fit, measured in inches.

How do you work out the tyre size?

To determine the size of a tyre, look for the numbers printed on the sidewall. The first number is the width in millimeters, the second is the aspect ratio (profile height as a percentage of the width), and the last number is the diameter of the wheel in inches.

How do I find my wheel size for my car?

The wheel size for your car is typically stamped on the side of the tyre. It’s the last number in the sequence, measured in inches. You can also find this information in your vehicle’s owner’s manual.

How do I know my rim size?

The rim size is the diameter of the wheel in inches. You can find it printed on the side of your tyre or in your vehicle’s owner’s manual.

What is a 285 70R17 in inches?

A 285/70R17 tyre has a width of approximately 11.22 inches (285 mm), a sidewall height of approximately 7.85 inches (70% of 285 mm), and it fits a 17-inch diameter wheel.

What does 265 60r18 mean?

A 265/60R18 tyre has a width of approximately 10.43 inches (265 mm), a sidewall height of approximately 6.26 inches (60% of 265 mm), and it fits an 18-inch diameter wheel.

How do you read a tyre size chart?

A tyre size chart lists the width, aspect ratio, construction type, and wheel diameter for various tyre sizes. You can find your tyre size on the chart by matching these numbers to the ones printed on your tyre.

How do you read tyre and wheel size?

Tyre and wheel size are typically indicated in a format like this: 215/65R16. The first number is the width of the tyre in millimeters, the second is the aspect ratio, the letter represents the construction type, and the last number is the diameter of the wheel in inches.

How do you read tire size on a calculator?

You can’t directly calculate tyre size using a regular calculator. You need to read the tyre size printed on the sidewall of the tyre.

What do the 3 numbers mean on tire size?

The three numbers on a tyre size indicate the width, aspect ratio, and diameter of the wheel the tyre is designed to fit.

What does R mean on tyres?

The “R” in a tyre size stands for Radial construction, which is the most common type of tyre construction today.

What does C mean on tyres?

The “C” on tyres typically indicates Commercial, meaning the tyre is designed for use on commercial vehicles like vans or light trucks.

Do rims have to be exact size?

Rims should match the recommended size for your vehicle to ensure proper fitment and performance. Using rims that are significantly larger or smaller than the recommended size can affect handling, stability, and safety.

How do you read alloy wheel size?

Alloy wheel size is typically indicated in inches, representing the diameter of the wheel. For example, a 17-inch alloy wheel has a diameter of 17 inches.

What width tires fit on what width rims?

Tyre width recommendations vary depending on the rim width and the manufacturer’s specifications. It’s best to consult a tyre manufacturer’s guidelines or a professional for specific recommendations.

Are 285 Tyres 33 inch?

A 285 tyre is approximately 11.22 inches wide, but it’s not necessarily 33 inches in diameter. The overall diameter of the tyre depends on the aspect ratio and wheel size as well.

Are 285 tires equal to 35?

No, a 285 tyre does not equate to a 35-inch tyre. The number 285 refers to the width of the tyre in millimeters, not its diameter.

What is a 265 70R17 equal to?

A 265/70R17 tyre has a width of approximately 10.43 inches (265 mm), a sidewall height of approximately 7.3 inches (70% of 265 mm), and it fits a 17-inch diameter wheel.

Can I use 65 tires instead of 60?

Using a different aspect ratio tyre can affect the overall diameter of the tyre, which may impact speedometer accuracy and clearance. It’s best to stick to the manufacturer’s recommended tyre size.

Which tire is taller 60 or 65?

A tyre with a 65 aspect ratio will typically have a taller sidewall compared to a tyre with a 60 aspect ratio when both are mounted on the same diameter wheel.

What is the difference between 265 70 r18 and 265 65 r18?

The main difference between these tyre sizes is the aspect ratio. The 265/70R18 has a taller sidewall compared to the 265/65R18, meaning the overall diameter of the tyre is larger.

Are wider tyres better?

Wider tyres can offer improved traction and handling, especially in dry conditions, but they may also increase rolling resistance and decrease fuel efficiency. The best tyre width depends on factors like vehicle type, driving conditions, and personal preference.

What does the Y mean on tyres?

The “Y” speed rating on tyres indicates that the tyre is capable of sustaining speeds of up to 186 mph (300 km/h) under optimal conditions.

What does H stand for on a tyre?

The “H” speed rating on tyres indicates that the tyre is capable of sustaining speeds of up to 130 mph (210 km/h) under optimal conditions.

Can I use 275 tires instead of 265?

Using a slightly wider tyre like a 275 instead of a 265 may be possible, but it can affect clearance and may require adjustments to the vehicle. It’s best to consult with a tyre professional for specific recommendations.

Can I use 70 instead of 65 tires?

Using a tyre with a different aspect ratio can affect the overall diameter of the tyre, which may impact speedometer accuracy and clearance. It’s best to stick to the manufacturer’s recommended tyre size.

Can I use 235 tires instead of 225?

Using a slightly wider tyre like a 235 instead of a 225 may be possible, but it can affect clearance and may require adjustments to the vehicle. It’s best to consult with a tyre professional for specific recommendations.

Can I use 245 tires instead of 225?

Using a slightly wider tyre like a 245 instead of a 225 may be possible, but it can affect clearance and may require adjustments to the vehicle. It’s best to consult with a tyre professional for specific recommendations.

Can I use 225 tires instead of 215?

Using a slightly wider tyre like a 225 instead of a 215 may be possible, but it can affect clearance and may require adjustments to the vehicle. It’s best to consult with a tyre professional for specific recommendations.