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Shop P225/45R17 Tires
Order P225/45R17 tires by tire type, service description, brand, mileage warranty, availability, and current price.
Before choosing P225/45R17 tires, match the vehicle-required load index, speed rating, and any applicable load or designation requirements.
All You Need To Know About P225/45R17 Tire Size
The P225/45R17 tire size has a section width of 225 mm, a 45% aspect ratio, and mounts on a 17-inch wheel diameter, which produces a calculated overall diameter of approximately 25 inches (634.3 mm) and a calculated sidewall height of approximately 3.99 inches (101.25 mm).
In this designation, "P" identifies the P225/45R17 tire size as built to passenger-vehicle load standards, "225" is the section width in millimeters, "45" is the aspect ratio expressing sidewall height as a percentage of section width, "R" indicates radial internal construction, and "17" is the wheel diameter in inches that the tire is built to mount on.
Because the aspect ratio of the P225/45R17 tire size is calculated as a percentage of its 225 mm section width, its sidewall height is shorter than a tire sharing the same 225 mm width but a higher aspect ratio number. The overall diameter, circumference, and revolutions per mile of the P225/45R17 tire size are all derived directly from these same section-width, aspect-ratio, and wheel-diameter figures using accepted tire-size formulas.
P225/45R17 Size Quick Specs
| Specification | Value |
|---|---|
| Internal Construction | Radial |
| Service Description Application | P stands for Passenger car |
| Rim Width Range | 7.0–8.5 in (per Tire and Rim Association guidance) |
| Ideal Rim Width | 7.5–8.0 in |
| Section Width | 225 mm |
| Aspect Ratio | 45% |
| Rim Diameter | 17 in |
| Circumference | 78.45 in (1992.7 mm) |
| Revolutions Per Mile | 808 |
P225/45R17 Dimensions in Inches
The P225/45R17 tire size is approximately 8.86 inches wide, 25 (24.97) inches tall overall, with a sidewall approximately 3.99 inches high. Measured from the ground up, the P225/45R17 tire size reaches an overall diameter of about 24.97 inches, meaning roughly half of that figure sits above the 17-inch wheel diameter once the tire is mounted.
A sidewall under 4 inches, as calculated for the P225/45R17 tire size, leaves less sidewall material available to flex compared with a taller sidewall built on the same 225 mm section width. Because the P225/45R17 tire size uses a fixed 8.86-inch section width, that figure sets its footprint dimension independently of the separate sidewall-height and overall-diameter calculations.
P225/45R17 in Inches: All Measurements
- Width: 8.86 in (225 mm)
- Sidewall Height: 3.99 in (101.25 mm)
- Wheel Diameter: 17 in
- Overall Diameter: approximately 25 in
- Circumference: approximately 78.4 in
Comparison of P225/45R17 With Alternative Tire Sizes
The P225/45R17 tire size is commonly considered for interchange with 225/50R17 and 245/45R17. 225/50R17 keeps the same 225 mm section width as the P225/45R17 tire size but raises the aspect ratio to 50%, producing a taller calculated overall diameter, while 245/45R17 keeps the same 45% aspect ratio as the P225/45R17 tire size but increases the section width to 245 mm, producing a calculated overall diameter that stays closer to that of the P225/45R17 tire size.
Difference Between P225/45R17 and 225/50R17 Tire Sizes
225/50R17 is a dimensional alternative to the P225/45R17 tire size, with a calculated overall diameter approximately 3.5% larger, which falls outside the ±3% guideline.
- Width Difference: Both sizes share the same 225 mm section width, so there is no width difference between the P225/45R17 tire size and 225/50R17.
- Diameter Difference: 225/50R17 has a calculated overall diameter about 0.89 inches larger (3.5%) than the P225/45R17 tire size, making 225/50R17 the taller of the two.
- Interchangeability: The 3.5% diameter difference between the P225/45R17 tire size and 225/50R17 exceeds the ±3% diameter guideline, so 225/50R17 is not considered a direct replacement for the P225/45R17 tire size under that ±3% guideline.
- Practical Difference: Relative to the P225/45R17 tire size, 225/50R17 has a taller sidewall and a larger overall diameter at the same section width, corresponding to a physically taller tire and wheel package.
Difference Between P225/45R17 and 245/45R17 Tire Sizes
245/45R17 is a dimensional alternative to the P225/45R17 tire size, with a calculated overall diameter approximately 2.8% larger, which falls within the ±3% guideline.
- Width Difference: 245/45R17 has a section width about 20 mm (0.79 in) wider than the P225/45R17 tire size, making 245/45R17 the wider of the two.
- Diameter Difference: 245/45R17 has a calculated overall diameter about 0.71 inches larger (2.8%) than the P225/45R17 tire size, making 245/45R17 the taller of the two.
- Interchangeability: The 2.8% diameter difference between the P225/45R17 tire size and 245/45R17 falls within the ±3% diameter guideline, meaning 245/45R17 is dimensionally eligible for consideration under that guideline, not automatically interchangeable. Wheel-width compatibility, load capacity, clearance, and vehicle-specific requirements must still be verified with a tire professional before switching from the P225/45R17 tire size.
- Practical Difference: Relative to the P225/45R17 tire size, 245/45R17 has a wider section width and a slightly larger overall diameter, corresponding to a physically wider tire footprint.
All You Need To Know About P225/45R17 Tire Size
The P225/45R17 tire size has a section width of 225 mm, a 45% aspect ratio, and mounts on a 17-inch wheel diameter, which produces a calculated overall diameter of approximately 25 inches (634.3 mm) and a calculated sidewall height of approximately 3.99 inches (101.25 mm).
In this designation, "P" identifies the P225/45R17 tire size as built to passenger-vehicle load standards, "225" is the section width in millimeters, "45" is the aspect ratio expressing sidewall height as a percentage of section width, "R" indicates radial internal construction, and "17" is the wheel diameter in inches that the tire is built to mount on.
Because the aspect ratio of the P225/45R17 tire size is calculated as a percentage of its 225 mm section width, its sidewall height is shorter than a tire sharing the same 225 mm width but a higher aspect ratio number. The overall diameter, circumference, and revolutions per mile of the P225/45R17 tire size are all derived directly from these same section-width, aspect-ratio, and wheel-diameter figures using accepted tire-size formulas.
P225/45R17 Size Quick Specs
| Specification | Value |
|---|---|
| Internal Construction | Radial |
| Service Description Application | P stands for Passenger car |
| Rim Width Range | 7.0–8.5 in (per Tire and Rim Association guidance) |
| Ideal Rim Width | 7.5–8.0 in |
| Section Width | 225 mm |
| Aspect Ratio | 45% |
| Rim Diameter | 17 in |
| Circumference | 78.45 in (1992.7 mm) |
| Revolutions Per Mile | 808 |
P225/45R17 Dimensions in Inches
The P225/45R17 tire size is approximately 8.86 inches wide, 25 (24.97) inches tall overall, with a sidewall approximately 3.99 inches high. Measured from the ground up, the P225/45R17 tire size reaches an overall diameter of about 24.97 inches, meaning roughly half of that figure sits above the 17-inch wheel diameter once the tire is mounted.
A sidewall under 4 inches, as calculated for the P225/45R17 tire size, leaves less sidewall material available to flex compared with a taller sidewall built on the same 225 mm section width. Because the P225/45R17 tire size uses a fixed 8.86-inch section width, that figure sets its footprint dimension independently of the separate sidewall-height and overall-diameter calculations.
P225/45R17 in Inches: All Measurements
- Width: 8.86 in (225 mm)
- Sidewall Height: 3.99 in (101.25 mm)
- Wheel Diameter: 17 in
- Overall Diameter: approximately 25 in
- Circumference: approximately 78.4 in
Comparison of P225/45R17 With Alternative Tire Sizes
The P225/45R17 tire size is commonly considered for interchange with 225/50R17 and 245/45R17. 225/50R17 keeps the same 225 mm section width as the P225/45R17 tire size but raises the aspect ratio to 50%, producing a taller calculated overall diameter, while 245/45R17 keeps the same 45% aspect ratio as the P225/45R17 tire size but increases the section width to 245 mm, producing a calculated overall diameter that stays closer to that of the P225/45R17 tire size.
Difference Between P225/45R17 and 225/50R17 Tire Sizes
225/50R17 is a dimensional alternative to the P225/45R17 tire size, with a calculated overall diameter approximately 3.5% larger, which falls outside the ±3% guideline.
- Width Difference: Both sizes share the same 225 mm section width, so there is no width difference between the P225/45R17 tire size and 225/50R17.
- Diameter Difference: 225/50R17 has a calculated overall diameter about 0.89 inches larger (3.5%) than the P225/45R17 tire size, making 225/50R17 the taller of the two.
- Interchangeability: The 3.5% diameter difference between the P225/45R17 tire size and 225/50R17 exceeds the ±3% diameter guideline, so 225/50R17 is not considered a direct replacement for the P225/45R17 tire size under that ±3% guideline.
- Practical Difference: Relative to the P225/45R17 tire size, 225/50R17 has a taller sidewall and a larger overall diameter at the same section width, corresponding to a physically taller tire and wheel package.
Difference Between P225/45R17 and 245/45R17 Tire Sizes
245/45R17 is a dimensional alternative to the P225/45R17 tire size, with a calculated overall diameter approximately 2.8% larger, which falls within the ±3% guideline.
- Width Difference: 245/45R17 has a section width about 20 mm (0.79 in) wider than the P225/45R17 tire size, making 245/45R17 the wider of the two.
- Diameter Difference: 245/45R17 has a calculated overall diameter about 0.71 inches larger (2.8%) than the P225/45R17 tire size, making 245/45R17 the taller of the two.
- Interchangeability: The 2.8% diameter difference between the P225/45R17 tire size and 245/45R17 falls within the ±3% diameter guideline, meaning 245/45R17 is dimensionally eligible for consideration under that guideline, not automatically interchangeable. Wheel-width compatibility, load capacity, clearance, and vehicle-specific requirements must still be verified with a tire professional before switching from the P225/45R17 tire size.
- Practical Difference: Relative to the P225/45R17 tire size, 245/45R17 has a wider section width and a slightly larger overall diameter, corresponding to a physically wider tire footprint.
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