335/30R20 tire size
335/30R20 is a metric size: 27.9" tall, 13.2" wide, on a 20" rim — about a 28x13.00R20. The sidewall is 4.0" and the tire turns 723 times per mile.
335/30R20 specs
| Overall diameter (height) | 27.91" · 709 mm |
|---|---|
| Section width | 13.19" · 335 mm |
| Sidewall height | 3.96" · 101 mm (30% of width) |
| Rim diameter | 20" |
| Circumference | 87.69" · 2.227 m |
| Revolutions per mile | 723 (449 per km) |
| Inch (flotation) equivalent | 28x13.00R20 |
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 | |
|---|---|---|---|---|---|
| 245/45R20 common | 28.68" | +2.75% | -90 mm | 61.7 mph | calculate → |
| 255/45R20 common | 29.04" | +4.02% | -80 mm | 62.4 mph | calculate → |
| 275/40R20 common | 28.66" | +2.68% | -60 mm | 61.6 mph | calculate → |
| 245/40R20 common | 27.72" | -0.71% | -90 mm | 59.6 mph | calculate → |
| 245/35R20 common | 26.75" | -4.16% | -90 mm | 57.5 mph | calculate → |
| 255/35R20 common | 27.03" | -3.17% | -80 mm | 58.1 mph | calculate → |
| 255/40R20 common | 28.03" | +0.42% | -80 mm | 60.3 mph | calculate → |
| 275/35R20 common | 27.58" | -1.20% | -60 mm | 59.3 mph | calculate → |
| 285/35R20 common | 27.85" | -0.21% | -50 mm | 59.9 mph | calculate → |
| 315/35R20 common | 28.68" | +2.75% | -20 mm | 61.7 mph | calculate → |
| 285/30R20 common | 26.73" | -4.23% | -50 mm | 57.5 mph | calculate → |
| 265/35R20 common | 27.30" | -2.19% | -70 mm | 58.7 mph | calculate → |
| 295/30R20 | 26.97" | -3.39% | -40 mm | 58.0 mph | calculate → |
| 305/30R20 | 27.20" | -2.54% | -30 mm | 58.5 mph | calculate → |
| 295/40R20 | 29.29" | +4.94% | -40 mm | 63.0 mph | calculate → |
| 295/35R20 | 28.13" | +0.78% | -40 mm | 60.5 mph | calculate → |
| 305/35R20 | 28.41" | +1.76% | -30 mm | 61.1 mph | calculate → |
| 285/40R20 | 28.98" | +3.81% | -50 mm | 62.3 mph | calculate → |
| 235/50R20 | 29.25" | +4.80% | -100 mm | 62.9 mph | calculate → |
| 235/45R20 | 28.33" | +1.48% | -100 mm | 60.9 mph | calculate → |
| 265/40R20 | 28.35" | +1.55% | -70 mm | 60.9 mph | calculate → |
| 335/25R20 | 26.59" | -4.72% | 0 mm | 57.2 mph | calculate → |
| 315/30R20 | 27.44" | -1.69% | -20 mm | 59.0 mph | calculate → |
| 235/40R20 | 27.40" | -1.83% | -100 mm | 58.9 mph | calculate → |
| 325/30R20 | 27.68" | -0.85% | -10 mm | 59.5 mph | calculate → |
| 345/30R20 | 28.15" | +0.85% | +10 mm | 60.5 mph | calculate → |
| 215/45R20 | 27.62" | -1.06% | -120 mm | 59.4 mph | calculate → |
| 345/25R20 | 26.79" | -4.02% | +10 mm | 57.6 mph | calculate → |
| 195/50R20 | 27.68" | -0.85% | -140 mm | 59.5 mph | calculate → |
| 225/40R20 | 27.09" | -2.96% | -110 mm | 58.2 mph | calculate → |
| 325/35R20 | 28.96" | +3.74% | -10 mm | 62.2 mph | calculate → |
| 175/55R20 | 27.58" | -1.20% | -160 mm | 59.3 mph | calculate → |
| 145/65R20 | 27.42" | -1.76% | -190 mm | 58.9 mph | calculate → |
| 155/60R20 | 27.32" | -2.12% | -180 mm | 58.7 mph | calculate → |
| 145/60R20 | 26.85" | -3.81% | -190 mm | 57.7 mph | calculate → |
| 29x15.00R20 | 29.00" | +3.89% | +46 mm | 62.3 mph | calculate → |
| 29x18.00R20 | 29.00" | +3.89% | +122 mm | 62.3 mph | calculate → |
| 155/65R20 | 27.93" | +0.07% | -180 mm | 60.0 mph | calculate → |
| 225/45R20 | 27.97" | +0.21% | -110 mm | 60.1 mph | calculate → |
| 165/60R20 | 27.80" | -0.42% | -170 mm | 59.7 mph | calculate → |
| 195/55R20 | 28.44" | +1.90% | -140 mm | 61.1 mph | calculate → |
Plus / minus sizing: 19" and 21" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 245/45R19 common | 27.68" | -0.83% | -90 mm | 59.5 mph | calculate → |
| 255/45R19 common | 28.04" | +0.44% | -80 mm | 60.3 mph | calculate → |
| 275/40R19 common | 27.66" | -0.90% | -60 mm | 59.5 mph | calculate → |
| 245/35R21 | 27.75" | -0.58% | -90 mm | 59.7 mph | calculate → |
| 285/40R19 | 27.98" | +0.23% | -50 mm | 60.1 mph | calculate → |
| 255/35R21 | 28.03" | +0.41% | -80 mm | 60.2 mph | calculate → |
| 295/30R21 | 27.97" | +0.20% | -40 mm | 60.1 mph | calculate → |
| 285/30R21 | 27.73" | -0.65% | -50 mm | 59.6 mph | calculate → |
| 355/25R21 | 27.99" | +0.27% | +20 mm | 60.2 mph | calculate → |
| 345/25R21 | 27.79" | -0.44% | +10 mm | 59.7 mph | calculate → |
| 315/35R19 | 27.68" | -0.83% | -20 mm | 59.5 mph | calculate → |
| 225/50R19 | 27.86" | -0.20% | -110 mm | 59.9 mph | calculate → |
| 145/80R19 | 28.13" | +0.79% | -190 mm | 60.5 mph | calculate → |
Try another size against 335/30R20
Questions
What size is 335/30R20 in inches?
335/30R20 is about 27.9" tall and 13.2" wide on a 20-inch rim — roughly a 28x13.00R20 in inch sizing.
What does 335/30R20 mean?
335 mm section width, sidewall 30% of the width (3.96"), radial construction, 20-inch rim.
What tire sizes are equivalent to 335/30R20?
On the same 20" rim, within 3% of the diameter: 155/65R20 (+0.07%), 285/35R20 (-0.21%), 225/45R20 (+0.21%), 165/60R20 (-0.42%), 255/40R20 (+0.42%), 245/40R20 (-0.71%).
How many revolutions per mile does a 335/30R20 tire make?
About 723 revolutions per mile (circumference 87.7").
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.