35x15.50R20 tire size
35x15.50R20 is a flotation (inch) size: 35.0" tall, 15.5" wide, on a 20" rim — about a 390/50R20. The sidewall is 7.5" and the tire turns 576 times per mile.
35x15.50R20 specs
| Overall diameter (height) | 35.00" · 889 mm |
|---|---|
| Section width | 15.50" · 394 mm |
| Sidewall height | 7.50" · 191 mm (48% of width) |
| Rim diameter | 20" |
| Circumference | 109.96" · 2.793 m |
| Revolutions per mile | 576 (358 per km) |
| Closest metric size | 390/50R20 |
Equivalent sizes on a 20" 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 | |
|---|---|---|---|---|---|
| 275/65R20 common | 34.07" | -2.64% | -119 mm | 58.4 mph | calculate → |
| 35x12.50R20 common | 35.00" | 0.00% | -76 mm | 60.0 mph | calculate → |
| 285/60R20 common | 33.46" | -4.39% | -109 mm | 57.4 mph | calculate → |
| 295/60R20 | 33.94" | -3.04% | -99 mm | 58.2 mph | calculate → |
| 295/65R20 | 35.10" | +0.28% | -99 mm | 60.2 mph | calculate → |
| 285/65R20 | 34.59" | -1.18% | -109 mm | 59.3 mph | calculate → |
| 325/60R20 | 35.35" | +1.01% | -69 mm | 60.6 mph | calculate → |
| 35x11.50R20 | 35.00" | 0.00% | -102 mm | 60.0 mph | calculate → |
| 35x13.50R20 | 35.00" | 0.00% | -51 mm | 60.0 mph | calculate → |
| 315/60R20 | 34.88" | -0.34% | -79 mm | 59.8 mph | calculate → |
| 36x13.50R20 | 36.00" | +2.86% | -51 mm | 61.7 mph | calculate → |
| 35x13.00R20 | 35.00" | 0.00% | -64 mm | 60.0 mph | calculate → |
| 35x14.50R20 | 35.00" | 0.00% | -26 mm | 60.0 mph | calculate → |
| 305/60R20 | 34.41" | -1.69% | -89 mm | 59.0 mph | calculate → |
| 285/70R20 | 35.71" | +2.02% | -109 mm | 61.2 mph | calculate → |
| 34x11.50R20 | 34.00" | -2.86% | -102 mm | 58.3 mph | calculate → |
| 36x15.50R20 | 36.00" | +2.86% | 0 mm | 61.7 mph | calculate → |
| 375/55R20 | 36.24" | +3.54% | -19 mm | 62.1 mph | calculate → |
| 375/45R20 | 33.29" | -4.89% | -19 mm | 57.1 mph | calculate → |
| 355/50R20 | 33.98" | -2.92% | -39 mm | 58.2 mph | calculate → |
| 345/60R20 | 36.30" | +3.71% | -49 mm | 62.2 mph | calculate → |
Try another size against 35x15.50R20
Questions
What size is 35x15.50R20 in inches?
35x15.50R20 is about 35.0" tall and 15.5" wide on a 20-inch rim — roughly a 390/50R20 in inch sizing.
What does 35x15.50R20 mean?
35" overall diameter, 15.50" section width, radial, 20" rim.
What tire sizes are equivalent to 35x15.50R20?
On the same 20" rim, within 3% of the diameter: 35x11.50R20 (0.00%), 35x12.50R20 (0.00%), 35x13.50R20 (0.00%), 35x13.00R20 (0.00%), 35x14.50R20 (0.00%), 295/65R20 (+0.28%).
How many revolutions per mile does a 35x15.50R20 tire make?
About 576 revolutions per mile (circumference 110.0").
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.