# 285/40R15 In Inches

## What Size Tire Is 285/40R15 In Inches?

• Diameter of the tire: Approximately 24.05 inches or 609 mm
• Tire width: Approximately 11.2 inches
• Sidewall height: Approximately 4.5 inches (calculated as a percentage of the tire’s width, which is 40% in this case)
• Diameter of the wheel: 15 inches

## Detailed Explanation)

Here’s a detailed explanation of tire size 285/40R15 in inches:

The tire size 285/40R15 refers to a tire with a width of 285 millimeters, an aspect ratio (or sidewall height as a percentage of the width) of 40%, and a diameter of 15 inches.

### Diameter Of The Tire:

To calculate the diameter of the tire, we can use the following formula:

• Diameter = (2 x sidewall height x aspect ratio/100) + wheel diameter (in inches)

First, we need to calculate the sidewall height:

• Sidewall height = width x aspect ratio / 100
• Sidewall height = 285 x 40 / 100 = 114 mm

We can then convert the sidewall height to inches:

• Sidewall height = 114 mm / 25.4 = 4.49 inches (rounded to the nearest hundredth)

Now we can calculate the diameter of the tire:

• Diameter = (2 x sidewall height x aspect ratio/100) + wheel diameter (in inches)
• Diameter = (2 x 4.49 x 40/100) + 15
• Diameter = 24.05 inches (rounded to the nearest hundredth)

### Tire Width:

To calculate the tire width in inches, we can use the following formula:

• Tire width = width in millimeters x 0.03937 inches/millimeter
• Tire width = 285 x 0.03937 = 11.22 inches (rounded to the nearest hundredth)

### Sidewall Height:

• As we calculated earlier, the sidewall height is 4.49 inches.

### Diameter Of The Wheel:

• The diameter of the wheel is 15 inches.

Therefore, the 285/40R15 tire has an overall diameter of approximately 24.05 inches, a tire width of 11.22 inches, a sidewall height of approximately 4.49 inches, and a wheel diameter of 15 inches. Please note that these are approximate measurements, and actual tire sizes can vary slightly depending on the brand and model of the tire.

 Tire Height (Diameter) 24 in 609 mm Wheel Size 15 in 381 mm Sidewall Height 4.5 in 114 mm Tire Width 11.2 in 285 mm Tire Circumference 75.3 in 1,913 mm Revolutions per Mile 841.2 Revolutions per Kilometer 522.7

## What Does It Mean By 285/40R15?

The numbers and letters in the tire size 285/40R15 indicate specific characteristics of the tire.

• 285 refers to the tire’s width in millimeters from sidewall to sidewall when mounted on a wheel and inflated to the proper air pressure.
• 40 is the aspect ratio of the tire, which is the height of the sidewall as a percentage of the width. In this case, the sidewall height is 40% of the tire’s width.
• 15 represents the diameter of the wheel that the tire is designed to fit in inches.

Therefore, the tire size 285/40R15 indicates that the tire has a width of 285 millimeters, a sidewall height of 40% of the width, radial construction, and is designed to fit on a 15-inch wheel.

### What Is The Load Index Of A 285/40r15 Tire?

A tire’s load index refers to the maximum weight the tire can support. The load index for a 285/40R15 tire can vary depending on the specific tire model and brand. Generally, a load index of 95 or 97 is common for this tire size, indicating a maximum load capacity of 1521-1609 pounds.

### Can A 285/40r15 Tire Fit On Any 15-Inch Rim?

Not all 15-inch rims are compatible with a 285/40R15 tire. The rim width and offset must be appropriate for the tire size. It is recommended to check the manufacturer’s tire and rim compatibility specifications.

### Is A 285/40r15 Tire Considered A Performance Tire?

Yes, a 285/40R15 tire is often considered a performance tire due to its wider size and lower profile. This tire size is commonly used on high-performance vehicles for improved handling and traction.

### What Is The Recommended Tire Pressure For A 285/40r15 Tire?

The recommended tire pressure for a 285/40R15 tire can vary depending on the specific tire and vehicle. It is recommended to check the vehicle owner’s manual or the tire manufacturer’s specifications for the proper tire pressure.

### Can A 285/40r15 Tire Be Used In Snowy Or Icy Conditions?

While a 285/40R15 tire may have good traction in dry or wet conditions, it is not recommended for use in snowy or icy conditions. This tire size typically has a lower sidewall height, making navigating through snow or slush more difficult.

### Are There Any Other Interchangeable Tire Sizes With A 285/40r15 Tire?

Yes, a few tire sizes are interchangeable with a 285/40R15 tire. These include 255/50R15, 295/40R15, and 295/50R15. However, it is important to note that these tires may have slightly different dimensions and may not provide the same performance characteristics as a 285/40R15 tire.

## Tire Size Calculator Charts: An Essential Resource for Accurate Tire Sizing!

##### 19" Tire Diameter

105/80R13 = 19.6×4.1R13
145/60R13 = 19.8×5.7R13
175/50R13 = 19.9×6.9R13
195/45R13 = 19.9×7.7R13

##### 20" Tire Diameter

125/80R13 = 20.9×4.9R13
135/70R13 = 20.5×5.3R13
145/65R13 = 20.4×5.7R13
155/65R13 = 20.9×6.1R13
165/55R13 = 20.2×6.5R13
165/60R13 = 20.8×6.5R13
175/55R13 = 20.6×6.9R13

##### 21" Tire Diameter

135/80R13 = 21.5×5.3R13
145/70R13 = 21×5.7R13
155/70R13 = 21.6×6.1R13
165/65R13 = 21.4×6.5R13
175/60R13 = 21.3×6.9R13
185/55R13 = 21×7.3R13
185/60R13 = 21.7×7.3R13
195/55R13 = 21.4×7.7R13
205/50R13 = 21.1×8.1R13
215/50R13 = 21.5×8.5R13
225/45R13 = 20.9×8.9R13
225/50R13 = 21.9×8.9R13
255/40R13 = 21x10R13

##### 22" Tire Diameter

145/80R13 = 22.1×5.7R13
155/80R13 = 22.8×6.1R13
165/70R13 = 22.1×6.5R13
165/75R13 = 22.8×6.5R13
175/65R13 = 22×6.9R13
175/70R13 = 22.7×6.9R13
185/65R13 = 22.4×7.3R13
195/60R13 = 22.2×7.7R13
205/60R13 = 22.7×8.1R13
235/50R13 = 22.3×9.3R13
245/50R13 = 22.7×9.6R13

##### 23" Tire Diameter

165/80R13 = 23.4×6.5R13
185/70R13 = 23.2×7.3R13
195/65R13 = 23×7.7R13
195/70R13 = 23.8×7.7R13
215/60R13 = 23.1×8.5R13

##### 24" Tire Diameter

175/80R13 = 24×6.9R13
185/80R13 = 24.6×7.3R13
205/70R13 = 24.3×8.1R13
235/60R13 = 24.1×9.3R13

##### 19" Tire Diameter

105/70R14 = 19.8×4.1R14

##### 20" Tire Diameter

115/70R14 = 20.4×4.5R14
125/70R14 = 20.9×4.9R14
155/55R14 = 20.7×6.1R14
165/50R14 = 20.6×6.5R14
175/50R14 = 20.9×6.9R14
195/40R14 = 20.2×7.7R14
195/45R14 = 20.9×7.7R14
215/40R14 = 20.8×8.5R14

##### 21" Tire Diameter

145/65R14 = 21.4×5.7R14
155/65R14 = 22×6.1R14
165/55R14 = 21.2×6.5R14
165/60R14 = 21.8×6.5R14
185/50R14 = 21.3×7.3R14
205/45R14 = 21.3×8.1R14
225/40R14 = 21.1×8.9R14
255/35R14 = 21x10R14

##### 22" Tire Diameter

135/80R14 = 22.5×5.3R14
155/70R14 = 22.6×6.1R14
165/65R14 = 22.4×6.5R14
175/60R14 = 22.3×6.9R14
185/55R14 = 22×7.3R14
185/60R14 = 22.8×7.3R14
195/55R14 = 22.4×7.7R14
205/50R14 = 22.1×8.1R14
205/55R14 = 22.9×8.1R14
225/45R14 = 22×8.9R14
225/50R14 = 22.9×8.9R14

##### 23" Tire Diameter

135/90R14 = 23.6×5.3R14
145/80R14 = 23.1×5.7R14
155/80R14 = 23.8×6.1R14
165/70R14 = 23.1×6.5R14
165/70R14C = 23.1×6.5R14
175/65R14 = 23×6.9R14
175/70R14 = 23.7×6.9R14
185/65R14 = 23.5×7.3R14
195/60R14 = 23.2×7.7R14
205/60R14 = 23.7×8.1R14
225/55R14 = 23.8×8.9R14
245/50R14 = 23.7×9.6R14

##### 24" Tire Diameter

165/80R14 = 24.4×6.5R14
175/75R14 = 24.3×6.9R14
185/70R14 = 24.3×7.3R14
185/75R14 = 25×7.3R14
195/65R14 = 24×7.7R14
195/70R14 = 24.8×7.7R14
205/65R14 = 24.5×8.1R14
215/60R14 = 24.2×8.5R14
225/60R14 = 24.6×8.9R14
265/50R14 = 24.5×10.4R14

##### 25" Tire Diameter

175/80R14 = 25×6.9R14
185/80R14 = 25.7×7.3R14
195/75R14 = 25.5×7.7R14
205/70R14 = 25.4×8.1R14
215/65R14 = 25×8.5R14
215/70R14 = 25.9×8.5R14
235/60R14 = 25.1×9.3R14
245/60R14 = 25.6×9.6R14
255/55R14 = 25x10R14

##### 26" Tire Diameter

195/80R14 = 26.3×7.7R14
205/75R14 = 26.1×8.1R14
215/75R14 = 26.7×8.5R14
225/70R14 = 26.5×8.9R14
255/60R14 = 26.1x10R14
265/60R14 = 26.5×10.4R14

##### 27" Tire Diameter

225/75R14 = 27.3×8.9R14
235/70R14 = 27×9.3R14
245/70R14 = 27.6×9.6R14
275/60R14 = 27×10.8R14

##### 20″ Tire Diameter

105/70R15 = 20.8×4.1R15
165/45R15 = 20.8×6.5R15

##### 21″ Tire Diameter

115/70R15 = 21.4×4.5R15
125/70R15 = 21.9×4.9R15
165/50R15 = 21.5×6.5R15
175/50R15 = 21.9×6.9R15
185/45R15 = 21.5×7.3R15
195/45R15 = 21.9×7.7R15
215/40R15 = 21.8×8.5R15
245/35R15 = 21.8×9.6R15

##### 22″ Tire Diameter

125/80R15 = 22.9×4.9R15
135/70R15 = 22.5×5.3R15
145/65R15 = 22.4×5.7R15
155/60R15 = 22.3×6.1R15
165/55R15 = 22.2×6.5R15
165/60R15 = 22.8×6.5R15
175/55R15 = 22.6×6.9R15
185/50R15 = 22.3×7.3R15
195/50R15 = 22.7×7.7R15
205/45R15 = 22.2×8.1R15
215/45R15 = 22.6×8.5R15
245/40R15 = 22.7×9.6R15
275/35R15 = 22.6×10.8R15

##### 23″ Tire Diameter

125/90R15 = 23.9×4.9R15
135/80R15 = 23.5×5.3R15
155/65R15 = 23×6.1R15
155/70R15 = 23.6×6.1R15
165/65R15 = 23.4×6.5R15
175/60R15 = 23.3×6.9R15
185/55R15 = 23×7.3R15
185/60R15 = 23.7×7.3R15
195/55R15 = 23.4×7.7R15
205/50R15 = 23.1×8.1R15
205/55R15 = 23.9×8.1R15
215/50R15 = 23.5×8.5R15
225/45R15 = 23×8.9R15
225/50R15 = 23.9×8.9R15
235/45R15 = 23.3×9.3R15
295/35R15 = 23.1×11.6R15

##### 24″ Tire Diameter

135/90R15 = 24.6×5.3R15
155/80R15 = 24.8×6.1R15
175/65R15 = 24×6.9R15
175/70R15 = 24.7×6.9R15
185/65R15 = 24.4×7.3R15
195/60R15 = 24.2×7.7R15
205/60R15 = 24.7×8.1R15
215/55R15 = 24.3×8.5R15
225/55R15 = 24.8×8.9R15
235/50R15 = 24.3×9.3R15
245/50R15 = 24.7×9.6R15
255/45R15 = 24.1x10R15
285/40R15 = 24×11.2R15
345/35R15 = 24.5×13.6R15

##### 25″ Tire Diameter

165/80R15 = 25.4×6.5R15
175/75R15 = 25.3×6.9R15
185/70R15 = 25.2×7.3R15
195/65R15 = 25×7.7R15
195/70R15 = 25.8×7.7R15
205/65R15 = 25.5×8.1R15
215/60R15 = 25.2×8.5R15
225/60R15 = 25.6×8.9R15
235/55R15 = 25.2×9.3R15
265/50R15 = 25.5×10.4R15
275/50R15 = 25.9×10.8R15

##### 26″ Tire Diameter

185/80R15 = 26.7×7.3R15
195/75R15 = 26.5×7.7R15
205/70R15 = 26.3×8.1R15
215/65R15 = 26×8.5R15
225/65R15 = 26.5×8.9R15
245/60R15 = 26.6×9.6R15
255/55R15 = 26x10R15
275/55R15 = 26.9×10.8R15
285/50R15 = 26.3×11.2R15
295/50R15 = 26.7×11.6R15

##### 27″ Tire Diameter

195/80R15 = 27.3×7.7R15
205/75R15 = 27.1×8.1R15
215/75R15 = 27.7×8.5R15
225/70R15 = 27.4×8.9R15
235/65R15 = 27×9.3R15
245/65R15 = 27.5×9.6R15
255/60R15 = 27x10R15
265/60R15 = 27.5×10.4R15
295/55R15 = 27.8×11.6R15
305/50R15 = 27x12R15
325/50R15 = 27.8×12.8R15

##### 28″ Tire Diameter

235/70R15 = 28×9.3R15
275/60R15 = 28×10.8R15
255/65R15 = 28.1x10R15
225/75R15 = 28.3×8.9R15
215/80R15 = 28.5×8.5R15
245/70R15 = 28.5×9.6R15
235/75R15 = 28.9×9.3R15
295/60R15 = 28.9×11.6R15

##### 29″ Tire Diameter

205/90R15 = 29.6×8.1R15
215/85R15 = 29.4×8.5R15
225/80R15 = 29.2×8.9R15
235/80R15 = 29.8×9.3R15
245/75R15 = 29.5×9.6R15
255/70R15 = 29.1x10R15
265/70R15 = 29.6×10.4R15
315/60R15 = 29.9×12.4R15

##### 30″ Tire Diameter

255/75R15 = 30x10R15
265/75R15 = 30.7×10.4R15
275/70R15 = 30.2×10.8R15
285/70R15 = 30.7×11.2R15
295/65R15 = 30.1×11.6R15
325/60R15 = 30.4×12.8R15
345/55R15 = 30×13.6R15

##### 32" Tire Diameter

315/70R15 = 32.4×12.4R15

##### 21" Tire Diameter

165/40R16 = 21.2×6.5R16
165/45R16 = 21.8×6.5R16
215/35R16 = 21.9×8.5R16

##### 22" Tire Diameter

115/70R16 = 22.4×4.5R16
125/70R16 = 22.9×4.9R16
135/60R16 = 22.4×5.3R16
165/50R16 = 22.5×6.5R16
175/50R16 = 22.9×6.9R16
195/40R16 = 22.1×7.7R16
195/45R16 = 22.9×7.7R16
205/40R16 = 22.4×8.1R16
215/40R16 = 22.8×8.5R16
245/35R16 = 22.8×9.6R16

##### 23" Tire Diameter

125/80R16 = 23.9×4.9R16
135/70R16 = 23.5×5.3R16
175/55R16 = 23.5×6.9R16
185/50R16 = 23.3×7.3R16
195/50R16 = 23.7×7.7R16
205/45R16 = 23.2×8.1R16
215/45R16 = 23.6×8.5R16
225/40R16 = 23.1×8.9R16
255/35R16 = 23x10R16

##### 24" Tire Diameter

125/85R16 = 24.3×4.9R16
125/90R16 = 24.9×4.9R16
135/80R16 = 24.5×5.3R16
175/60R16 = 24.3×6.9R16
185/55R16 = 24×7.3R16
185/60R16 = 24.7×7.3R16
195/55R16 = 24.4×7.7R16
205/50R16 = 24.1×8.1R16
205/55R16 = 24.9×8.1R16
215/50R16 = 24.5×8.5R16
225/45R16 = 23.9×8.9R16
225/50R16 = 24.9×8.9R16
245/45R16 = 24.6×9.6R16

##### 25" Tire Diameter

135/90R16 = 25.6×5.3R16
145/80R16 = 25.1×5.7R16
155/80R16 = 25.7×6.1R16
185/65R16 = 25.4×7.3R16
195/60R16 = 25.2×7.7R16
205/60R16 = 25.7×8.1R16
215/55R16 = 25.3×8.5R16
225/55R16 = 25.7×8.9R16
235/50R16 = 25.3×9.3R16
245/50R16 = 25.7×9.6R16
265/45R16 = 25.4×10.4R16
275/45R16 = 25.7×10.8R16
315/40R16 = 25.9×12.4R16

##### 26" Tire Diameter

145/90R16 = 26.3×5.7R16
165/80R16 = 26.4×6.5R16
175/75R16 = 26.3×6.9R16
185/75R16 = 26.9×7.3R16
195/65R16 = 26×7.7R16
205/65R16 = 26.5×8.1R16
215/60R16 = 26.1×8.5R16
225/60R16 = 26.6×8.9R16
235/55R16 = 26.1×9.3R16
245/55R16 = 26.6×9.6R16
255/50R16 = 26.1x10R16
265/50R16 = 26.5×10.4R16
275/50R16 = 26.9×10.8R16

##### 27" Tire Diameter

155/90R16 = 27×6.1R16
175/80R16 = 27×6.9R16
195/75R16 = 27.5×7.7R16
205/70R16 = 27.3×8.1R16
215/65R16 = 27×8.5R16
215/70R16 = 27.9×8.5R16
225/65R16 = 27.5×8.9R16
235/60R16 = 27.1×9.3R16
245/60R16 = 27.6×9.6R16
255/55R16 = 27x10R16
275/55R16 = 27.9×10.8R16
295/50R16 = 27.6×11.6R16
315/45R16 = 27.2×12.4R16
355/40R16 = 27.2x14R16

##### 28" Tire Diameter

195/80R16 = 28.3×7.7R16
205/75R16 = 28.1×8.1R16
205/80R16 = 28.9×8.1R16
215/75R16 = 28.7×8.5R16
225/70R16 = 28.4×8.9R16
235/65R16 = 28×9.3R16
235/70R16 = 29×9.3R16
255/60R16 = 28x10R16
265/60R16 = 28.5×10.4R16
285/55R16 = 28.3×11.2R16

##### 29" Tire Diameter

215/80R16 = 29.5×8.5R16
225/75R16 = 29.3×8.9R16
235/75R16 = 29.8×9.3R16
245/70R16 = 29.5×9.6R16
255/65R16 = 29.1x10R16
265/65R16 = 29.5×10.4R16
275/60R16 = 29×10.8R16
285/60R16 = 29.4×11.2R16
315/55R16 = 29.6×12.4R16

##### 30" Tire Diameter

215/85R16 = 30.4×8.5R16
235/80R16 = 30.8×9.3R16
245/75R16 = 30.5×9.6R16
255/70R16 = 30.1x10R16
265/70R16 = 30.6×10.4R16
275/65R16 = 30.1×10.8R16
285/65R16 = 30.6×11.2R16
345/55R16 = 30.9×13.6R16

##### 31" Tire Diameter

225/85R16 = 31×8.9R16
225/90R16 = 32×8.9R16
235/85R16 = 31.7×9.3R16
265/75R16 = 31.7×10.4R16
275/70R16 = 31.2×10.8R16
285/70R16 = 31.7×11.2R16
295/65R16 = 31.1×11.6R16

##### 32" Tire Diameter

375/55R16 = 32.2×14.8R16
265/80R16 = 32.7×10.4R16
285/75R16 = 32.8×11.2R16
305/70R16 = 32.8x12R16

##### 33" Tire Diameter

255/85R16 = 33.1x10R16
295/75R16 = 33.4×11.6R16

##### 34" Tire Diameter

315/75R16 = 34.6×12.4R16

##### 35" Tire Diameter

375/65R16 = 35.2×14.8R16

##### 36" Tire Diameter

325/80R16 = 36.5×12.8R16
345/75R16 = 36.4×13.6R16

##### 37" Tire Diameter

365/75R16 = 37.6×14.4R16
37X12.5R16
37X13R16
37X13.5R16
37X14R16
37X14.5R16
385/70R16 = 37.2×15.2R16
395/70R16 = 37.8×15.6R16

##### 22" Tire Diameter

165/40R17 = 22.2×6.5R17
165/45R17 = 22.8×6.5R17
185/35R17 = 22.1×7.3R17
215/35R17 = 22.9×8.5R17

##### 23" Tire Diameter

125/70R17 = 23.9×4.9R17
195/40R17 = 23.1×7.7R17
195/45R17 = 23.9×7.7R17
205/40R17 = 23.5×8.1R17
215/40R17 = 23.8×8.5R17
225/35R17 = 23.2×8.9R17
245/35R17 = 23.8×9.6R17

##### 24" Tire Diameter

125/80R17 = 24.9×4.9R17
135/70R17 = 24.5×5.3R17
175/55R17 = 24.6×6.9R17
185/50R17 = 24.3×7.3R17
195/50R17 = 24.7×7.7R17
205/45R17 = 24.3×8.1R17
215/45R17 = 24.6×8.5R17
225/40R17 = 24.1×8.9R17
235/40R17 = 24.4×9.3R17
245/40R17 = 24.7×9.6R17
265/35R17 = 24.3×10.4R17
275/35R17 = 24.6×10.8R17
285/35R17 = 24.9×11.2R17

##### 25" Tire Diameter

115/95R17 = 25.6×4.5R17
135/80R17 = 25.5×5.3R17
145/70R17 = 25×5.7R17
155/70R17 = 25.6×6.1R17
185/60R17 = 25.7×7.3R17
195/55R17 = 25.4×7.7R17
205/50R17 = 25.1×8.1R17
205/55R17 = 25.9×8.1R17
215/50R17 = 25.5×8.5R17
225/45R17 = 25×8.9R17
225/50R17 = 25.9×8.9R17
235/45R17 = 25.4×9.3R17
245/45R17 = 25.7×9.6R17
255/40R17 = 25x10R17
265/40R17 = 25.4×10.4R17
275/40R17 = 25.7×10.8R17
295/35R17 = 25.1×11.6R17
305/35R17 = 25.4x12R17
315/35R17 = 25.7×12.4R17

##### 26" Tire Diameter

135/90R17 = 26.6×5.3R17
145/80R17 = 26.1×5.7R17
155/80R17 = 26.8×6.1R17
165/70R17 = 26.1×6.5R17
205/60R17 = 26.7×8.1R17
215/55R17 = 26.3×8.5R17
225/55R17 = 26.8×8.9R17
235/50R17 = 26.3×9.3R17
245/50R17 = 26.7×9.6R17
255/45R17 = 26.1x10R17
285/40R17 = 26×11.2R17
295/40R17 = 26.3×11.6R17
335/35R17 = 26.2×13.2R17

##### 27" Tire Diameter

145/90R17 = 27.3×5.7R17
165/80R17 = 27.4×6.5R17
205/65R17 = 27.5×8.1R17
215/60R17 = 27.2×8.5R17
225/60R17 = 27.6×8.9R17
235/55R17 = 27.2×9.3R17
245/55R17 = 27.6×9.6R17
255/50R17 = 27.1x10R17
275/50R17 = 27.9×10.8R17
295/45R17 = 27.5×11.6R17
305/45R17 = 27.8x12R17
345/40R17 = 27.9×13.6R17

##### 28" Tire Diameter

155/90R17 = 28×6.1R17
165/90R17 = 28.7×6.5R17
215/65R17 = 28×8.5R17
215/70R17 = 28.9×8.5R17
235/60R17 = 28.1×9.3R17
245/60R17 = 28.6×9.6R17
255/55R17 = 28x10R17
265/55R17 = 28.5×10.4R17
275/55R17 = 28.9×10.8R17
315/45R17 = 28.2×12.4R17

##### 29" Tire Diameter

175/90R17 = 29.4×6.9R17
225/70R17 = 29.4×8.9R17
235/65R17 = 29.1×9.3R17
245/65R17 = 29.5×9.6R17
255/60R17 = 29.1x10R17
265/60R17 = 29.5×10.4R17

##### 30" Tire Diameter

225/75R17 = 30.3×8.9R17
235/70R17 = 30×9.3R17
235/75R17 = 30.9×9.3R17
245/70R17 = 30.6×9.6R17
255/65R17 = 30.1x10R17
265/65R17 = 30.6×10.4R17
275/60R17 = 30×10.8R17
285/60R17 = 30.5×11.2R17

##### 31" Tire Diameter

235/80R17 = 31.8×9.3R17
245/75R17 = 31.5×9.6R17
255/70R17 = 31.1x10R17
265/70R17 = 31.7×10.4R17
275/65R17 = 31.1×10.8R17
285/65R17 = 31.6×11.2R17
305/60R17 = 31.4x12R17
345/55R17 = 32×13.6R17

##### 32" Tire Diameter

235/85R17 = 32.8×9.3R17
255/75R17 = 32x10R17
275/70R17 = 32.2×10.8R17
285/70R17 = 32.8×11.2R17
305/65R17 = 32.6x12R17

##### 33" Tire Diameter

255/80R17 = 33.1x10R17
285/75R17 = 33.9×11.2R17
295/70R17 = 33.3×11.6R17
305/70R17 = 33.9x12R17

##### 34" Tire Diameter

275/80R17 = 34.3X10.8R17
315/70R17 = 34.4×12.4R17
325/70R17 = 34.9×12.8R17

##### 36" Tire Diameter

355/70R17 = 36.6x14R17

##### 23″ Tire Diameter

125/60R18 = 23.9×4.9R18
165/40R18 = 23.2×6.5R18
195/35R18 = 23.3×7.7R18
205/35R18 = 23.7×8.1R18
215/35R18 = 23.9×8.5R18
225/30R18 = 23.3×8.9R18
235/30R18 = 23.6×9.3R18
245/30R18 = 23.8×9.6R18

##### 24″ Tire Diameter

125/70R18 = 24.9×4.9R18
135/60R18 = 24.4×5.3R18
175/45R18 = 24.2×6.9R18
205/40R18 = 24.4×8.1R18
225/35R18 = 24.2×8.9R18
235/35R18 = 24.4×9.3R18
245/35R18 = 24.8×9.6R18
255/30R18 = 24.1x10R18
265/30R18 = 24.3×10.4R18
285/30R18 = 24.8×11.2R18

##### 25″ Tire Diameter

135/70R18 = 25.5×5.3R18
145/65R18 = 25.4×5.7R18
155/60R18 = 25.3×6.1R18
205/45R18 = 25.2×8.1R18
215/45R18 = 25.6×8.5R18
225/40R18 = 25.1×8.9R18
235/40R18 = 25.4×9.3R18
245/40R18 = 25.7×9.6R18
255/35R18 = 25x10R18
265/35R18 = 25.3×10.4R18
275/35R18 = 25.6×10.8R18
285/35R18 = 25.9×11.2R18
295/30R18 = 25×11.6R18
305/30R18 = 25.2x12R18
315/30R18 = 25.5×12.4R18
335/30R18 = 25.9×13.2R18

##### 26″ Tire Diameter

135/80R18 = 26.5×5.3R18
145/70R18 = 26×5.7R18
155/70R18 = 26.6×6.1R18
185/55R18 = 26×7.3R18
205/50R18 = 26.1×8.1R18
205/55R18 = 26.9×8.1R18
215/50R18 = 26.5×8.5R18
225/45R18 = 25.9×8.9R18
225/50R18 = 26.9×8.9R18
235/45R18 = 26.3×9.3R18
245/45R18 = 26.7×9.6R18
255/40R18 = 26x10R18
275/40R18 = 26.7×10.8R18
295/35R18 = 26.1×11.6R18
305/35R18 = 26.4x12R18
315/35R18 = 26.7×12.4R18
345/30R18 = 26.2×13.6R18

##### 27″ Tire Diameter

145/80R18 = 27.1×5.7R18
145/85R18 = 27.7×5.7R18
155/80R18 = 27.8×6.1R18
165/70R18 = 27.1×6.5R18
205/60R18 = 27.7×8.1R18
215/55R18 = 27.3×8.5R18
225/55R18 = 27.8×8.9R18
235/50R18 = 27.3×9.3R18
245/50R18 = 27.7×9.6R18
255/45R18 = 27x10R18
265/45R18 = 27.4×10.4R18
275/45R18 = 27.8×10.8R18
285/40R18 = 27×11.2R18
295/40R18 = 27.3×11.6R18
305/40R18 = 27.6x12R18
315/40R18 = 27.9×12.4R18
325/35R18 = 27×12.8R18
335/35R18 = 27.2×13.2R18
345/35R18 = 27.5×13.6R18

##### 28″ Tire Diameter

155/85R18 = 28.4×6.1R18
225/60R18 = 28.6×8.9R18
235/55R18 = 28.1×9.3R18
245/55R18 = 28.6×9.6R18
255/50R18 = 28.1x10R18
265/50R18 = 28.5×10.4R18
275/50R18 = 28.9×10.8R18
285/45R18 = 28.1×11.2R18
295/45R18 = 28.5×11.6R18
305/45R18 = 28.8x12R18

##### 29″ Tire Diameter

155/90R18 = 29×6.1R18
165/90R18 = 29.7×6.5R18
175/80R18 = 29×6.9R18
225/65R18 = 29.5×8.9R18
235/60R18 = 29.1×9.3R18
245/60R18 = 29.6×9.6R18
255/55R18 = 29x10R18
265/55R18 = 29.5×10.4R18
275/55R18 = 29.9×10.8R18
285/50R18 = 29.3×11.2R18
325/45R18 = 29.5×12.8R18

##### 30″ Tire Diameter

175/90R18 = 30.4×6.9R18
235/65R18 = 30×9.3R18
235/70R18 = 31×9.3R18
255/60R18 = 30x10R18
265/60R18 = 30.5×10.4R18
285/55R18 = 30.4×11.2R18

##### 31″ Tire Diameter

225/75R18 = 31.3×8.9R18
235/75R18 = 31.9×9.3R18
245/70R18 = 31.5×9.6R18
255/65R18 = 31.1x10R18
265/65R18 = 31.5×10.4R18
275/60R18 = 31×10.8R18
285/60R18 = 31.5×11.2R18

##### 32″ Tire Diameter

245/75R18 = 32.5×9.6R18
255/70R18 = 32.1x10R18
265/70R18 = 32.6×10.4R18
275/65R18 = 32.1×10.8R18
285/65R18 = 32.6×11.2R18
305/60R18 = 32.4x12R18

##### 33″ Tire Diameter

275/70R18 = 33.2×10.8R18
285/70R18 = 33.7×11.2R18
295/65R18 = 33.1×11.6R18
305/65R18 = 33.6x12R18
325/60R18 = 33.3×12.8R18

##### 34″ Tire Diameter

285/75R18 = 34.8×11.2R18
295/70R18 = 34.3×11.6R18
305/70R18 = 34.8x12R18
325/65R18 = 34.6×12.8R18
345/60R18 = 34.3×13.6R18

##### 35″ Tire Diameter

275/80R18 = 35.3×10.8R18
315/70R18 = 35.4×12.4R18
375/60R18 = 35.7×14.8R18

##### 36″ Tire Diameter

305/75R18 = 36x12R18
355/65R18 = 36.2x14R18

##### 38″ Tire Diameter

395/65R18 = 38.2×15.6R18

##### 24″ Tire Diameter

215/35R19 = 24.9×8.5R19
225/30R19 = 24.4×8.9R19
235/30R19 = 24.6×9.3R19
245/30R19 = 24.8×9.6R19
295/25R19 = 24.8×11.6R19

##### 25″ Tire Diameter

115/70R19 = 25.4×4.5R19
125/70R19 = 25.9×4.9R19
135/60R19 = 25.4×5.3R19
215/40R19 = 25.8×8.5R19
225/35R19 = 25.2×8.9R19
235/35R19 = 25.5×9.3R19
245/35R19 = 25.8×9.6R19
255/30R19 = 25.1x10R19
265/30R19 = 25.3×10.4R19
275/30R19 = 25.6×10.8R19
285/30R19 = 25.8×11.2R19
305/25R19 = 25x12R19
315/25R19 = 25.2×12.4R19
335/25R19 = 25.6×13.2R19

##### 26″ Tire Diameter

135/70R19 = 26.5×5.3R19
225/40R19 = 26.1×8.9R19
235/40R19 = 26.4×9.3R19
245/40R19 = 26.7×9.6R19
255/35R19 = 26x10R19
265/35R19 = 26.3×10.4R19
275/35R19 = 26.6×10.8R19
285/35R19 = 26.9×11.2R19
295/30R19 = 26×11.6R19
305/30R19 = 26.3x12R19
315/30R19 = 26.5×12.4R19
325/30R19 = 26.7×12.8R19
335/30R19 = 27×13.2R19
355/25R19 = 26x14R19

##### 27″ Tire Diameter

155/70R19 = 27.6×6.1R19
175/60R19 = 27.3×6.9R19
215/50R19 = 27.5×8.5R19
225/45R19 = 27×8.9R19
235/45R19 = 27.4×9.3R19
245/45R19 = 27.7×9.6R19
255/40R19 = 27x10R19
265/40R19 = 27.4×10.4R19
275/40R19 = 27.7×10.8R19
295/35R19 = 27.1×11.6R19
305/35R19 = 27.4x12R19
315/35R19 = 27.7×12.4R19
345/30R19 = 27.2×13.6R19
355/30R19 = 27.4x14R19

##### 28″ Tire Diameter

145/80R19 = 28.1×5.7R19
155/80R19 = 28.8×6.1R19
225/55R19 = 28.8×8.9R19
235/50R19 = 28.3×9.3R19
245/50R19 = 28.7×9.6R19
255/45R19 = 28.1x10R19
265/45R19 = 28.4×10.4R19
275/45R19 = 28.8×10.8R19
285/40R19 = 28×11.2R19
295/40R19 = 28.3×11.6R19
315/40R19 = 28.9×12.4R19
345/35R19 = 28.5×13.6R19

##### 29″ Tire Diameter

235/55R19 = 29.2×9.3R19
245/55R19 = 29.6×9.6R19
255/50R19 = 29.1x10R19
265/50R19 = 29.5×10.4R19
275/50R19 = 29.9×10.8R19
285/45R19 = 29.1×11.2R19
295/45R19 = 29.5×11.6R19

##### 30″ Tire Diameter

165/90R19 = 30.7×6.5R19
175/80R19 = 30×6.9R19
235/60R19 = 30.1×9.3R19
255/55R19 = 30x10R19
265/55R19 = 30.5×10.4R19
275/55R19 = 30.9×10.8R19

##### 30" Tire Diameter

165/90R19 = 30.7X6.5R19
175/80R19 = 30X6.9R19
255/55R19 = 30x10R19
265/55R19 = 30.5×10.4R19
275/55R19 = 30.9×10.8R19

##### 31" Tire Diameter

235/65R19 = 31X9.3R19
255/60R19 = 31x10R19

##### 25″ Tire Diameter

215/30R20 = 25.1×8.5R20
225/30R20 = 25.4×8.9R20
235/30R20 = 25.6×9.3R20
245/30R20 = 25.8×9.6R20
275/25R20 = 25.4×10.8R20
285/25R20 = 25.6×11.2R20
295/25R20 = 25.8×11.6R20

##### 26″ Tire Diameter

145/60R20 = 26.9×5.7R20
225/35R20 = 26.2×8.9R20
235/35R20 = 26.5×9.3R20
245/35R20 = 26.8×9.6R20
255/30R20 = 26.1x10R20
265/30R20 = 26.3×10.4R20
275/30R20 = 26.5×10.8R20
285/30R20 = 26.8×11.2R20
305/25R20 = 26x12R20
315/25R20 = 26.2×12.4R20
325/25R20 = 26.4×12.8R20
335/25R20 = 26.6×13.2R20
345/25R20 = 26.8×13.6R20

##### 27″ Tire Diameter

145/65R20 = 27.4×5.7R20
155/60R20 = 27.3×6.1R20
165/60R20 = 27.8×6.5R20
175/55R20 = 27.6×6.9R20
195/50R20 = 27.7×7.7R20
215/45R20 = 27.6×8.5R20
225/40R20 = 27.1×8.9R20
235/40R20 = 27.4×9.3R20
245/40R20 = 27.7×9.6R20
255/35R20 = 27x10R20
265/35R20 = 27.3×10.4R20
275/35R20 = 27.6×10.8R20
285/35R20 = 27.9×11.2R20
295/30R20 = 27×11.6R20
305/30R20 = 27.2x12R20
315/30R20 = 27.5×12.4R20
325/30R20 = 27.7×12.8R20
335/30R20 = 28×13.2R20

##### 28″ Tire Diameter

155/65R20 = 28×6.1R20
225/45R20 = 28×8.9R20
235/45R20 = 28.3×9.3R20
255/40R20 = 28x10R20
265/40R20 = 28.3×10.4R20
275/40R20 = 28.7×10.8R20
295/35R20 = 28.1×11.6R20
305/35R20 = 28.4x12R20
315/35R20 = 28.7×12.4R20

##### 29″ Tire Diameter

145/80R20 = 29.1×5.7R20
235/50R20 = 29.3×9.3R20
245/50R20 = 29.7×9.6R20
255/45R20 = 29.1x10R20
265/45R20 = 29.4×10.4R20
275/45R20 = 29.8×10.8R20
285/40R20 = 29×11.2R20
295/40R20 = 29.3×11.6R20
305/40R20 = 29.6x12R20
325/35R20 = 29×12.8R20

##### 30″ Tire Diameter

235/55R20 = 30.2×9.3R20
255/50R20 = 30.1x10R20
265/50R20 = 30.5×10.4R20
275/50R20 = 30.9×10.8R20
285/45R20 = 30.1×11.2R20
295/45R20 = 30.5×11.6R20
305/45R20 = 30.8x12R20

##### 31″ Tire Diameter

235/60R20 = 31.1×9.3R20
245/60R20 = 31.6×9.6R20
255/55R20 = 31x10R20
265/55R20 = 31.5×10.4R20
275/55R20 = 31.9×10.8R20
285/50R20 = 31.3×11.2R20
295/50R20 = 31.7×11.6R20

##### 32″ Tire Diameter

255/60R20 = 32x10R20
265/60R20 = 32.5×10.4R20
285/55R20 = 32.4×11.2R20
295/55R20 = 32.8×11.6R20
305/50R20 = 32x12R20
315/50R20 = 32.4×12.4R20
325/50R20 = 32.8×12.8R20

##### 33″ Tire Diameter

275/60R20 = 33×10.8R20
285/60R20 = 33.5×11.2R20
295/60R20 = 33.9×11.6R20
305/55R20 = 33.2x12R20
375/45R20 = 33.3×14.8R20

##### 34″ Tire Diameter

275/65R20 = 34.1×10.8R20
285/65R20 = 34.6×11.2R20
305/60R20 = 34.4x12R20
315/60R20 = 34.9×12.4R20
335/55R20 = 34.5×13.2R20
355/50R20 = 34x14R20

##### 35″ Tire Diameter

295/65R20 = 35.1×11.6R20
325/60R20 = 35.4×12.8R20

##### 36″ Tire Diameter

355/60R20 = 36.8x14R20
375/55R20 = 36.2×14.8R20