385/70R16 tire size
385/70R16 is a metric size: 37.2" tall, 15.2" wide, on a 16" rim — about a 37x15.00R16. The sidewall is 10.6" and the tire turns 542 times per mile.
385/70R16 specs
| Overall diameter (height) | 37.22" · 945 mm |
|---|---|
| Section width | 15.16" · 385 mm |
| Sidewall height | 10.61" · 270 mm (70% of width) |
| Rim diameter | 16" |
| Circumference | 116.93" · 2.970 m |
| Revolutions per mile | 542 (337 per km) |
| Inch (flotation) equivalent | 37x15.00R16 |
Equivalent sizes on a 16" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 37x12.50R16 | 37.00" | -0.59% | -67 mm | 59.6 mph | calculate → |
| 38.5x14.50R16 | 38.50" | +3.44% | -17 mm | 62.1 mph | calculate → |
| 36x12.50R16 | 36.00" | -3.28% | -67 mm | 58.0 mph | calculate → |
| 36x13.50R16 | 36.00" | -3.28% | -42 mm | 58.0 mph | calculate → |
| 37x13.50R16 | 37.00" | -0.59% | -42 mm | 59.6 mph | calculate → |
| 37x13.00R16 | 37.00" | -0.59% | -55 mm | 59.6 mph | calculate → |
| 37x14.50R16 | 37.00" | -0.59% | -17 mm | 59.6 mph | calculate → |
| 37x14.00R16 | 37.00" | -0.59% | -29 mm | 59.6 mph | calculate → |
| 365/75R16 | 37.56" | +0.90% | -20 mm | 60.5 mph | calculate → |
| 38x13.00R16 | 38.00" | +2.09% | -55 mm | 61.3 mph | calculate → |
| 38x15.50R16 | 38.00" | +2.09% | +9 mm | 61.3 mph | calculate → |
| 345/75R16 | 36.37" | -2.27% | -40 mm | 58.6 mph | calculate → |
| 36x13.00R16 | 36.00" | -3.28% | -55 mm | 58.0 mph | calculate → |
| 36x14.50R16 | 36.00" | -3.28% | -17 mm | 58.0 mph | calculate → |
| 38.5x11.00R16 | 38.50" | +3.44% | -106 mm | 62.1 mph | calculate → |
| 38.5x13.50R16 | 38.50" | +3.44% | -42 mm | 62.1 mph | calculate → |
| 38.5x15.00R16 | 38.50" | +3.44% | -4 mm | 62.1 mph | calculate → |
| 395/70R16 | 37.77" | +1.48% | +10 mm | 60.9 mph | calculate → |
| 325/80R16 | 36.47" | -2.01% | -60 mm | 58.8 mph | calculate → |
| 38x14.50R16 | 38.00" | +2.09% | -17 mm | 61.3 mph | calculate → |
| 39x13.50R16 | 39.00" | +4.78% | -42 mm | 62.9 mph | calculate → |
Plus / minus sizing: 15" and 17" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 37x12.50R17 common | 37.00" | -0.59% | -67 mm | 59.6 mph | calculate → |
| 37x13.50R17 | 37.00" | -0.59% | -42 mm | 59.6 mph | calculate → |
| 37x12.50R15 | 37.00" | -0.59% | -67 mm | 59.6 mph | calculate → |
| 37x14.50R15 | 37.00" | -0.59% | -17 mm | 59.6 mph | calculate → |
| 37x11.50R17 | 37.00" | -0.59% | -93 mm | 59.6 mph | calculate → |
| 37x13.50R15 | 37.00" | -0.59% | -42 mm | 59.6 mph | calculate → |
| 37x13.00R15 | 37.00" | -0.59% | -55 mm | 59.6 mph | calculate → |
| 37x13.00R17 | 37.00" | -0.59% | -55 mm | 59.6 mph | calculate → |
| 37x14.00R15 | 37.00" | -0.59% | -29 mm | 59.6 mph | calculate → |
| 37x14.00R17 | 37.00" | -0.59% | -29 mm | 59.6 mph | calculate → |
Try another size against 385/70R16
Questions
What size is 385/70R16 in inches?
385/70R16 is about 37.2" tall and 15.2" wide on a 16-inch rim — roughly a 37x15.00R16 in inch sizing.
What does 385/70R16 mean?
385 mm section width, sidewall 70% of the width (10.61"), radial construction, 16-inch rim.
What tire sizes are equivalent to 385/70R16?
On the same 16" rim, within 3% of the diameter: 37x12.50R16 (-0.59%), 37x13.50R16 (-0.59%), 37x13.00R16 (-0.59%), 37x14.50R16 (-0.59%), 37x14.00R16 (-0.59%), 365/75R16 (+0.90%).
How many revolutions per mile does a 385/70R16 tire make?
About 542 revolutions per mile (circumference 116.9").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.