215/55R16 tire size
A 215/55R16 tire is 25.3 inches tall and 8.5 inches wide. Here are its full dimensions, what the numbers mean, and the sizes you can swap it for.
- Overall diameter
- 25.31″ (643 mm)
- Section width
- 8.46″ (215 mm)
- Sidewall height
- 4.66″ (118 mm)
- Wheel diameter
- 16″
- Circumference
- 79.5″
- Revolutions per mile
- 797
What 215/55R16 means
- 215: the tire is 215 mm (8.5 in) wide from sidewall to sidewall.
- 55: the sidewall is 55% of the width, 118.3 mm (4.66 in) tall.
- R: radial construction, used by almost every modern tire.
- 16: it fits a 16-inch wheel.
Overall diameter = 16 + 2 × 4.66 = 25.31 inches.
Sizes equivalent to 215/55R16
These sizes are within 3% of the overall diameter, the usual limit for swapping without speedometer problems.
| Size | Diameter | Difference | Speedometer at 60 mph |
|---|---|---|---|
| 235/45R17 | 25.3″ | +0.1% | 60.0 mph actual |
| 205/45R18 | 25.3″ | -0.2% | 59.9 mph actual |
| 235/50R16 | 25.3″ | -0.2% | 59.9 mph actual |
| 235/40R18 | 25.4″ | +0.4% | 60.2 mph actual |
| 195/60R16 | 25.2″ | -0.4% | 59.8 mph actual |
| 195/55R17 | 25.4″ | +0.5% | 60.3 mph actual |
| 215/50R17 | 25.5″ | +0.6% | 60.4 mph actual |
| 225/40R18 | 25.1″ | -0.9% | 59.5 mph actual |
| 205/50R17 | 25.1″ | -0.9% | 59.4 mph actual |
| 215/45R18 | 25.6″ | +1.2% | 60.7 mph actual |
Going a size taller? 205/60R16 is 25.7″ tall, 1.5% more than 215/55R16. Compare any two sizes in the tire size calculator.
See every common size side by side in the tire size chart.
Questions
What is 215/55R16 in inches?
A 215/55R16 tire is about 25.3 inches tall (643 mm) and 8.5 inches wide, on a 16-inch wheel. In flotation sizing that's roughly 25.3x8.5R16.
How tall is a 215/55R16 tire?
The overall diameter is 25.31 inches: the 16-inch wheel plus two 4.66-inch sidewalls. Actual tires vary by a few tenths of an inch between brands and models.
How many revolutions per mile does a 215/55R16 make?
About 797 revolutions per mile, from a circumference of 79.5 inches.
