P225/45R14 in Inches

Understanding the dimensions of the P225/45R14 tire size in both metric and imperial units of measurement is an essential part of tire maintenance and replacement. Let us take a closer look at every important aspect of the P225/45R14 tire size to understand what these numbers represent and how they may affect your vehicle's performance.

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What is P225/45R14 in inches?

When we convert P225/45R14 to inches, it is equivalent to 22x8.9R14 tire size in the high flotation system.

P225/45R14 Section Width
P225/45R14 Tire Side
Tire Circumference
917 Revs/Mile
Metric Inches
Tire Diameter 558.2 mm 22"
Tread Width 225 mm 8.9"
Rim Diameter 356 mm 14"
Sidewall Height 101.3 mm 4"
Circumference 1753 mm 69.1"
Revolutions 570 per km 917 per mile

How wide is a P225/45R14 tire?

Tire width, also known as section width, is a measurement in millimeters that indicates the width of a tire from one sidewall to the other. It is the first number provided in a tire's size specifications. P225/45R14 tire has a width of 8.9 inches or 225 mm.

A greater tire width can increase the tire's contact patch with the road, potentially improving grip and handling. However, wider tires can also increase rolling resistance, which could negatively impact fuel efficiency.

Tire Width
Tread width: 8.9"

How tall is a P225/45R14 tire?

Tire height, also known as the tire's diameter or overall diameter, is the measurement from the ground to the top of the tire. It's essentially the distance from one side of the tire to the other, passing through the center, when it's correctly inflated and not under load. P225/45R14 tire has a diameter or height of 22 inches or 558.2 mm.

Tire Diameter
Tire height: 22"

P225/45R14 Tire Sidewall Height

Tire sidewall height, also known as the tire's aspect ratio, is the measurement of the height of the tire's cross-section or the height of the tire from the rim to the tread. It is typically represented as a percentage of the tire's width. P225/45R14 tire has a sidewall height of 4 inches or 101.3 mm.

Sidewall height (also known as tire profile) can greatly affect a tire's driving characteristics. Lower profile tires (30 or 35 series) often provide better handling but can give a harsher ride, while higher profile tires (65 or 70 series) generally provide a smoother ride but with less precise handling.

Tire Sidewall Height
Sidewall height: 4"

What size rim fits a P225/45R14 tire?

The rim diameter refers to the diameter of the wheel on which a tire is mounted. It is the distance from one edge of the rim to the opposite edge, passing through the center of the wheel. P225/45R14 tire can be mounted on 14 inch wheels.

The rim diameter is crucial not only for fitting the tire properly but also plays a role in determining the overall performance of the vehicle, including its handling and ride quality.

Rim Diameter
Rim diameter: 14"

P225/45R14 Tire Circumference

Tire circumference refers to the distance around the outer edge of a tire. It is the measurement of the entire circumference or perimeter of the tire when it is inflated and mounted on a wheel. P225/45R14 tire has a circumference of 69.1 inches or 1753 mm.

Tire Circumference
Tire circumference: 69.1"

How many revolutions does a P225/45R14 tire make?

Tire revolutions refer to the number of complete rotations a tire makes while the vehicle is in motion. It is a measure of the distance covered by the tire. P225/45R14 tire completes 917 revolutions per mile or 570 revolutions per kilometer.

Tire revolutions are often used in various calculations related to vehicle dynamics, such as determining the distance traveled, estimating fuel consumption, or calculating the speed of the vehicle based on the rotation of the tires. Tire revolutions can also be tracked or monitored by certain vehicle systems, such as the anti-lock braking system (ABS) or the vehicle's onboard computer, for various purposes.

Tire Revolutions
Tire revolutions: 917 per mile

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