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385/70R16 tire size in inches
385/70R16 is 37.22" tall and 15.16" wide, and fits a 16" rim. In flotation (inch) sizing that is roughly 37.2x15.2R16.
385/70R16 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 37.22" | 945 mm |
| Section width | 15.16" | 385 mm |
| Sidewall height | 10.61" | 269.5 mm |
| Rim diameter | 16" | 406.4 mm |
| Circumference | 116.9" | 2970 mm |
| Revolutions per mile | 542 | |
| Aspect ratio | 70% (sidewall is 70% of the width) | |
Drawn to scale
Among the 102 sizes for 16" wheels on this site, 385/70R16 is #98 by height (shortest: 205/50R16, tallest: 385/75R16).
385/70R16 against the most popular 16" sizes
| Popular size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 285/75R16 | -4.39" (-11.79%) | -3.94" | -2.19" | 68 mph |
| 315/75R16 | -2.62" (-7.04%) | -2.76" | -1.31" | 64.5 mph |
| 265/75R16 | -5.57" (-14.97%) | -4.73" | -2.79" | 70.6 mph |
| 265/70R16 | -6.61" (-17.76%) | -4.73" | -3.31" | 73 mph |
| 245/75R16 | -6.75" (-18.14%) | -5.51" | -3.38" | 73.3 mph |
How the 385/70R16 numbers are worked out
The size code reads as 385 mm section width, 70% aspect ratio, R for radial construction and 16-inch wheel.
- Sidewall = 385 × 70% = 269.5 mm = 10.61"
- Diameter = 16" + 2 × 10.61" = 37.22"
- Circumference = π × 37.22" = 116.9"
- Revs per mile = 63,360" ÷ 116.9" = 542
Sizes that can replace 385/70R16 on a 16" wheel
Within 3% of 37.22". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 315/85R16 | 37.08" | 12.40" | -0.38% | 60.2 mph |
| 365/75R16 | 37.56" | 14.37" | +0.91% | 59.5 mph |
| 325/85R16 | 37.75" | 12.80" | +1.42% | 59.2 mph |
| 325/80R16 | 36.47" | 12.80" | -2.02% | 61.2 mph |
| 305/85R16 | 36.41" | 12.01" | -2.18% | 61.3 mph |
| 345/75R16 | 36.37" | 13.58" | -2.28% | 61.4 mph |
| 375/75R16 | 38.15" | 14.76" | +2.5% | 58.5 mph |
Same height on a different wheel size
- 365/70R17 17" (-0.27%)
- 345/75R17 17" (+0.4%)
- 325/80R17 17" (+0.67%)
- 315/80R17 17" (-1.02%)
- 295/85R17 17" (-1.29%)
- 355/70R17 17" (-1.75%)
- 305/80R18 18" (-0.03%)
- 285/85R18 18" (-0.4%)
- 295/85R18 18" (+1.4%)
- 365/65R18 18" (-1.45%)
Questions about 385/70R16
How tall is a 385/70R16 tire in inches?
A 385/70R16 tire is 37.22 inches (945 mm) tall: the 16-inch rim plus two sidewalls of 10.61 inches each.
Is 385/70R16 a 37 inch tire?
Yes. At 37.22 inches tall it is commonly called a 37-inch tire.
How many revolutions per mile does a 385/70R16 make?
About 542 revolutions per mile, based on a calculated circumference of 116.9 inches.
What size can replace 385/70R16?
315/85R16 is the closest match on a 16" rim (-0.38% height). Check load index, speed rating and clearance first.
Compare 385/70R16 against any other size with the tire size calculator.