235/70R16 tire size
A 235/70R16 tire is 29.0 inches tall and 9.3 inches wide. Here are its full dimensions, what the numbers mean, and the sizes you can swap it for.
- Overall diameter
- 28.95″ (735 mm)
- Section width
- 9.25″ (235 mm)
- Sidewall height
- 6.48″ (165 mm)
- Wheel diameter
- 16″
- Circumference
- 91.0″
- Revolutions per mile
- 697
What 235/70R16 means
- 235: the tire is 235 mm (9.3 in) wide from sidewall to sidewall.
- 70: the sidewall is 70% of the width, 164.5 mm (6.48 in) tall.
- R: radial construction, used by almost every modern tire.
- 16: it fits a 16-inch wheel.
Overall diameter = 16 + 2 × 6.48 = 28.95 inches.
Sizes equivalent to 235/70R16
These sizes are within 3% of the overall diameter, the usual limit for swapping without speedometer problems.
| Size | Diameter | Difference | Speedometer at 60 mph |
|---|---|---|---|
| 215/65R18 | 29.0″ | +0.2% | 60.1 mph actual |
| 235/65R17 | 29.0″ | +0.3% | 60.2 mph actual |
| 255/55R18 | 29.0″ | +0.3% | 60.2 mph actual |
| 255/60R17 | 29.0″ | +0.3% | 60.2 mph actual |
| 255/65R16 | 29.1″ | +0.3% | 60.2 mph actual |
| 215/70R17 | 28.9″ | -0.4% | 59.8 mph actual |
| 235/60R18 | 29.1″ | +0.5% | 60.3 mph actual |
| 215/75R16 | 28.7″ | -0.9% | 59.5 mph actual |
| 225/60R18 | 28.6″ | -1.1% | 59.3 mph actual |
| 225/75R16 | 29.3″ | +1.2% | 60.7 mph actual |
Going a size taller? 245/70R16 is 29.5″ tall, 1.9% more than 235/70R16. Compare any two sizes in the tire size calculator.
See every common size side by side in the tire size chart.
Questions
What is 235/70R16 in inches?
A 235/70R16 tire is about 29.0 inches tall (735 mm) and 9.3 inches wide, on a 16-inch wheel. In flotation sizing that's roughly 29.0x9.3R16.
How tall is a 235/70R16 tire?
The overall diameter is 28.95 inches: the 16-inch wheel plus two 6.48-inch sidewalls. Actual tires vary by a few tenths of an inch between brands and models.
Can I put 245/70R16 instead of 235/70R16?
245/70R16 is 0.55 inches taller (1.9%) and 10 mm wider. That's within the usual 3% limit, but check that your wheel width is approved for it and that it clears the suspension.
How many revolutions per mile does a 235/70R16 make?
About 697 revolutions per mile, from a circumference of 91.0 inches.
