34x11.50R20 tire size
34x11.50R20 is a flotation (inch) size: 34.0" tall, 11.5" wide, on a 20" rim — about a 290/60R20. The sidewall is 7.0" and the tire turns 593 times per mile.
34x11.50R20 specs
| Overall diameter (height) | 34.00" · 864 mm |
|---|---|
| Section width | 11.50" · 292 mm |
| Sidewall height | 7.00" · 178 mm (61% of width) |
| Rim diameter | 20" |
| Circumference | 106.81" · 2.713 m |
| Revolutions per mile | 593 (369 per km) |
| Closest metric size | 290/60R20 |
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 | |
|---|---|---|---|---|---|
| 275/60R20 common | 32.99" | -2.96% | -17 mm | 58.2 mph | calculate → |
| 275/65R20 common | 34.07" | +0.22% | -17 mm | 60.1 mph | calculate → |
| 35x12.50R20 common | 35.00" | +2.94% | +26 mm | 61.8 mph | calculate → |
| 265/60R20 common | 32.52" | -4.35% | -27 mm | 57.4 mph | calculate → |
| 305/55R20 common | 33.21" | -2.33% | +13 mm | 58.6 mph | calculate → |
| 285/55R20 common | 32.34" | -4.87% | -7 mm | 57.1 mph | calculate → |
| 285/60R20 common | 33.46" | -1.57% | -7 mm | 59.1 mph | calculate → |
| 33x12.50R20 common | 33.00" | -2.94% | +26 mm | 58.2 mph | calculate → |
| 295/60R20 | 33.94" | -0.19% | +3 mm | 59.9 mph | calculate → |
| 295/55R20 | 32.78" | -3.60% | +3 mm | 57.8 mph | calculate → |
| 295/65R20 | 35.10" | +3.23% | +3 mm | 61.9 mph | calculate → |
| 285/65R20 | 34.59" | +1.73% | -7 mm | 61.0 mph | calculate → |
| 325/60R20 | 35.35" | +3.98% | +33 mm | 62.4 mph | calculate → |
| 35x11.50R20 | 35.00" | +2.94% | 0 mm | 61.8 mph | calculate → |
| 35x13.50R20 | 35.00" | +2.94% | +51 mm | 61.8 mph | calculate → |
| 315/60R20 | 34.88" | +2.59% | +23 mm | 61.6 mph | calculate → |
| 33x13.50R20 | 33.00" | -2.94% | +51 mm | 58.2 mph | calculate → |
| 35x15.50R20 | 35.00" | +2.94% | +102 mm | 61.8 mph | calculate → |
| 33x11.50R20 | 33.00" | -2.94% | 0 mm | 58.2 mph | calculate → |
| 305/60R20 | 34.41" | +1.20% | +13 mm | 60.7 mph | calculate → |
| 375/45R20 | 33.29" | -2.10% | +83 mm | 58.7 mph | calculate → |
| 33x12.00R20 | 33.00" | -2.94% | +13 mm | 58.2 mph | calculate → |
| 33x22.00R20 | 33.00" | -2.94% | +267 mm | 58.2 mph | calculate → |
| 35x13.00R20 | 35.00" | +2.94% | +38 mm | 61.8 mph | calculate → |
| 35x14.50R20 | 35.00" | +2.94% | +76 mm | 61.8 mph | calculate → |
| 325/50R20 | 32.80" | -3.54% | +33 mm | 57.9 mph | calculate → |
| 355/50R20 | 33.98" | -0.07% | +63 mm | 60.0 mph | calculate → |
| 33x14.50R20 | 33.00" | -2.94% | +76 mm | 58.2 mph | calculate → |
| 315/50R20 | 32.40" | -4.70% | +23 mm | 57.2 mph | calculate → |
Try another size against 34x11.50R20
Questions
What size is 34x11.50R20 in inches?
34x11.50R20 is about 34.0" tall and 11.5" wide on a 20-inch rim — roughly a 290/60R20 in inch sizing.
What does 34x11.50R20 mean?
34" overall diameter, 11.50" section width, radial, 20" rim.
What tire sizes are equivalent to 34x11.50R20?
On the same 20" rim, within 3% of the diameter: 355/50R20 (-0.07%), 295/60R20 (-0.19%), 275/65R20 (+0.22%), 305/60R20 (+1.20%), 285/60R20 (-1.57%), 285/65R20 (+1.73%).
How many revolutions per mile does a 34x11.50R20 tire make?
About 593 revolutions per mile (circumference 106.8").
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.