345/50R24 tire size
345/50R24 is a metric size: 37.6" tall, 13.6" wide, on a 24" rim — about a 37.5x13.50R24. The sidewall is 6.8" and the tire turns 537 times per mile.
345/50R24 specs
| Overall diameter (height) | 37.58" · 955 mm |
|---|---|
| Section width | 13.58" · 345 mm |
| Sidewall height | 6.79" · 173 mm (50% of width) |
| Rim diameter | 24" |
| Circumference | 118.07" · 2.999 m |
| Revolutions per mile | 537 (333 per km) |
| Inch (flotation) equivalent | 37.5x13.50R24 |
Equivalent sizes on a 24" 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 | |
|---|---|---|---|---|---|
| 37x13.50R24 | 37.00" | -1.55% | -2 mm | 59.1 mph | calculate → |
| 38x13.50R24 | 38.00" | +1.11% | -2 mm | 60.7 mph | calculate → |
| 38x15.50R24 | 38.00" | +1.11% | +49 mm | 60.7 mph | calculate → |
| 37x14.50R24 | 37.00" | -1.55% | +23 mm | 59.1 mph | calculate → |
| 38x14.00R24 | 38.00" | +1.11% | +11 mm | 60.7 mph | calculate → |
| 365/45R24 | 36.93" | -1.73% | +20 mm | 59.0 mph | calculate → |
Try another size against 345/50R24
Questions
What size is 345/50R24 in inches?
345/50R24 is about 37.6" tall and 13.6" wide on a 24-inch rim — roughly a 37.5x13.50R24 in inch sizing.
What does 345/50R24 mean?
345 mm section width, sidewall 50% of the width (6.79"), radial construction, 24-inch rim.
What tire sizes are equivalent to 345/50R24?
On the same 24" rim, within 3% of the diameter: 38x13.50R24 (+1.11%), 38x14.00R24 (+1.11%), 38x15.50R24 (+1.11%), 37x13.50R24 (-1.55%), 37x14.50R24 (-1.55%), 365/45R24 (-1.73%).
How many revolutions per mile does a 345/50R24 tire make?
About 537 revolutions per mile (circumference 118.1").
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.