# 225/50R17 tire size in inches

- **Diameter:** 25.9 in
- **Width:** 8.9 in
- **Sidewall:** 4.43 in
- **Revs per mile:** 780

## Quick answer

A 225/50R17 tire is **25.9 inches** (657 mm) tall and **8.9 inches** (225 mm) wide, with a 4.43-inch sidewall, and fits a 17-inch wheel. In inch sizing that is roughly 25.9x8.9R17.

## 225/50R17 dimensions

| Measurement | Inches | Millimeters |
| --- | --- | --- |
| Overall diameter | 25.9 in | 657 mm |
| Section width | 8.9 in | 225 mm |
| Sidewall height | 4.43 in | 112.5 mm |
| Rim diameter | 17 in | 432 mm |
| Circumference | 81.2 in | 2063 mm |
| Revolutions per mile | 780 | -- |

## What does 225/50R17 mean?

| Part | Value | Meaning |
| --- | --- | --- |
| Width | 225 | The tire is 225 mm wide from sidewall to sidewall. |
| Aspect ratio | 50 | The sidewall is 50% as tall as the tire is wide (112.5 mm). |
| R | R | Radial construction (nearly every modern tire). |
| Rim | 17 | Fits a 17-inch wheel. |

The load index and speed rating that follow the size (for example "98H") are on the sidewall and in your door-jamb sticker. See the [load index chart](/tools/tire-load-index-chart) and [speed rating chart](/tools/tire-speed-rating-chart).

## What sizes can replace 225/50R17?

Sizes within 3% of the overall diameter, the usual limit for keeping the speedometer, ABS and stability control accurate. Check the width fits your wheel and fender, and match the load index.

| Size | Diameter | Difference | Speedometer at 60 mph |
| --- | --- | --- | --- |
| [255/35R19](/tools/tire-size/255-35r19) | 26.0 in | +0.7% | 60.4 mph actual |
| [205/60R16](/tools/tire-size/205-60r16) | 25.7 in | -0.7% | 59.6 mph actual |
| [215/60R16](/tools/tire-size/215-60r16) | 26.2 in | +1.2% | 60.7 mph actual |
| [215/55R17](/tools/tire-size/215-55r17) | 26.3 in | +1.8% | 61.1 mph actual |
| [235/45R18](/tools/tire-size/235-45r18) | 26.3 in | +1.8% | 61.1 mph actual |
| [215/55R16](/tools/tire-size/215-55r16) | 25.3 in | -2.1% | 58.7 mph actual |
| [205/65R16](/tools/tire-size/205-65r16) | 26.5 in | +2.5% | 61.5 mph actual |
| [225/40R18](/tools/tire-size/225-40r18) | 25.1 in | -3.0% | 58.2 mph actual |

## Frequently asked questions

### How tall is a 225/50R17 tire?

A 225/50R17 tire is 25.9 inches (657 mm) tall when new and correctly inflated. Real tires vary by a few tenths of an inch between brands and tread patterns.

### Can I put 225/50R17 tires on my car?

Only if your door-jamb placard or owner's manual lists 225/50R17, or a plus-size alternative within about 3% of the original diameter that clears the suspension. The wheel must be 17 inches in diameter and the right width for a 225 mm tire.

### How many revolutions per mile does a 225/50R17 tire make?

About 780 revolutions per mile, calculated from its 81.2-inch circumference. Manufacturers' published figures are usually slightly higher because a loaded tire squats a little.

## Other 17-inch sizes

- [215/45R17](https://diagxcar.com/tools/tire-size/215-45r17)
- [215/55R17](https://diagxcar.com/tools/tire-size/215-55r17)
- [215/60R17](https://diagxcar.com/tools/tire-size/215-60r17)
- [225/45R17](https://diagxcar.com/tools/tire-size/225-45r17)
- [225/55R17](https://diagxcar.com/tools/tire-size/225-55r17)
- [225/60R17](https://diagxcar.com/tools/tire-size/225-60r17)
- [225/65R17](https://diagxcar.com/tools/tire-size/225-65r17)
- [235/65R17](https://diagxcar.com/tools/tire-size/235-65r17)
- [245/65R17](https://diagxcar.com/tools/tire-size/245-65r17)
- [245/70R17](https://diagxcar.com/tools/tire-size/245-70r17)
- [255/70R17](https://diagxcar.com/tools/tire-size/255-70r17)
- [265/65R17](https://diagxcar.com/tools/tire-size/265-65r17)
- [265/70R17](https://diagxcar.com/tools/tire-size/265-70r17)
- [285/70R17](https://diagxcar.com/tools/tire-size/285-70r17)
- [315/70R17](https://diagxcar.com/tools/tire-size/315-70r17)

## Tire tools

- [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator)
- [Tire size decoder](https://diagxcar.com/tools/tire-size-decoder)
- [Load index chart](https://diagxcar.com/tools/tire-load-index-chart)
- [Speed rating chart](https://diagxcar.com/tools/tire-speed-rating-chart)

## Tire care

- [How long do tires last?](https://diagxcar.com/how-long/tires)
- [How often to rotate tires](https://diagxcar.com/how-often/rotate-tires)
- [Uneven tire wear](https://diagxcar.com/symptoms/uneven-tire-wear)

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Source page: https://diagxcar.com/tools/tire-size/225-50r17
General information, not a substitute for a qualified mechanic.