365/75R16 tire size
365/75R16 is a metric size: 37.6" tall, 14.4" wide, on a 16" rim — about a 37.5x14.50R16. The sidewall is 10.8" and the tire turns 537 times per mile.
365/75R16 specs
| Overall diameter (height) | 37.56" · 954 mm |
|---|---|
| Section width | 14.37" · 365 mm |
| Sidewall height | 10.78" · 274 mm (75% of width) |
| Rim diameter | 16" |
| Circumference | 117.98" · 2.997 m |
| Revolutions per mile | 537 (334 per km) |
| Inch (flotation) equivalent | 37.5x14.50R16 |
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" | -1.48% | -47 mm | 59.1 mph | calculate → |
| 38.5x14.50R16 | 38.50" | +2.52% | +3 mm | 61.5 mph | calculate → |
| 385/70R16 | 37.22" | -0.89% | +20 mm | 59.5 mph | calculate → |
| 36x12.50R16 | 36.00" | -4.14% | -47 mm | 57.5 mph | calculate → |
| 36x13.50R16 | 36.00" | -4.14% | -22 mm | 57.5 mph | calculate → |
| 38x13.00R16 | 38.00" | +1.18% | -35 mm | 60.7 mph | calculate → |
| 38x15.50R16 | 38.00" | +1.18% | +29 mm | 60.7 mph | calculate → |
| 37x13.50R16 | 37.00" | -1.48% | -22 mm | 59.1 mph | calculate → |
| 37x13.00R16 | 37.00" | -1.48% | -35 mm | 59.1 mph | calculate → |
| 37x14.50R16 | 37.00" | -1.48% | +3 mm | 59.1 mph | calculate → |
| 37x14.00R16 | 37.00" | -1.48% | -9 mm | 59.1 mph | calculate → |
| 38.5x11.00R16 | 38.50" | +2.52% | -86 mm | 61.5 mph | calculate → |
| 38.5x13.50R16 | 38.50" | +2.52% | -22 mm | 61.5 mph | calculate → |
| 38.5x15.00R16 | 38.50" | +2.52% | +16 mm | 61.5 mph | calculate → |
| 345/75R16 | 36.37" | -3.14% | -20 mm | 58.1 mph | calculate → |
| 36x13.00R16 | 36.00" | -4.14% | -35 mm | 57.5 mph | calculate → |
| 36x14.50R16 | 36.00" | -4.14% | +3 mm | 57.5 mph | calculate → |
| 395/70R16 | 37.77" | +0.58% | +30 mm | 60.3 mph | calculate → |
| 38x14.50R16 | 38.00" | +1.18% | +3 mm | 60.7 mph | calculate → |
| 325/80R16 | 36.47" | -2.88% | -40 mm | 58.3 mph | calculate → |
| 39x13.50R16 | 39.00" | +3.85% | -22 mm | 62.3 mph | calculate → |
Try another size against 365/75R16
Questions
What size is 365/75R16 in inches?
365/75R16 is about 37.6" tall and 14.4" wide on a 16-inch rim — roughly a 37.5x14.50R16 in inch sizing.
What does 365/75R16 mean?
365 mm section width, sidewall 75% of the width (10.78"), radial construction, 16-inch rim.
What tire sizes are equivalent to 365/75R16?
On the same 16" rim, within 3% of the diameter: 395/70R16 (+0.58%), 385/70R16 (-0.89%), 38x13.00R16 (+1.18%), 38x14.50R16 (+1.18%), 38x15.50R16 (+1.18%), 37x12.50R16 (-1.48%).
How many revolutions per mile does a 365/75R16 tire make?
About 537 revolutions per mile (circumference 118.0").
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.