Home › 20" tire sizes › 275/60R20
275/60R20 tire size in inches
275/60R20 is 32.99" tall and 10.83" wide, and fits a 20" rim. In flotation (inch) sizing that is roughly 33.0x10.8R20.
275/60R20 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 32.99" | 838 mm |
| Section width | 10.83" | 275 mm |
| Sidewall height | 6.50" | 165.0 mm |
| Rim diameter | 20" | 508.0 mm |
| Circumference | 103.7" | 2633 mm |
| Revolutions per mile | 611 | |
| Aspect ratio | 60% (sidewall is 60% of the width) | |
Drawn to scale
Among the 131 sizes for 20" wheels on this site, 275/60R20 is #72 by height (shortest: 225/30R20, tallest: 365/85R20).
What people compare 275/60R20 with
Real comparisons drivers search for, worked out against 275/60R20:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 275/55R20 | -1.08" (-3.27%) | 0.00" | -0.55" | 62 mph |
| 275/65R20 | +1.08" (+3.27%) | 0.00" | +0.54" | 58.1 mph |
| 285/60R20 | +0.47" (+1.42%) | +0.39" | +0.23" | 59.2 mph |
| 285/55R20 | -0.65" (-1.97%) | +0.39" | -0.33" | 61.2 mph |
| 305/55R20 | +0.22" (+0.67%) | +1.18" | +0.10" | 59.6 mph |
| 285/65R20 | +1.60" (+4.85%) | +0.39" | +0.79" | 57.2 mph |
| 265/60R20 | -0.47" (-1.42%) | -0.40" | -0.24" | 60.9 mph |
| 295/60R20 | +0.95" (+2.88%) | +0.78" | +0.47" | 58.3 mph |
How the 275/60R20 numbers are worked out
The size code reads as 275 mm section width, 60% aspect ratio, R for radial construction and 20-inch wheel.
- Sidewall = 275 × 60% = 165.0 mm = 6.50"
- Diameter = 20" + 2 × 6.50" = 32.99"
- Circumference = π × 32.99" = 103.7"
- Revs per mile = 63,360" ÷ 103.7" = 611
Sizes that can replace 275/60R20 on a 20" wheel
Within 3% of 32.99". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 255/65R20 | 33.05" | 10.04" | +0.18% | 59.9 mph |
| 325/50R20 | 32.80" | 12.80" | -0.58% | 60.3 mph |
| 295/55R20 | 32.78" | 11.61" | -0.64% | 60.4 mph |
| 305/55R20 | 33.21" | 12.01" | +0.67% | 59.6 mph |
| 270/60R20 | 32.76" | 10.63" | -0.7% | 60.4 mph |
| 280/60R20 | 33.23" | 11.02" | +0.73% | 59.6 mph |
| 375/45R20 | 33.29" | 14.76" | +0.91% | 59.5 mph |
| 320/50R20 | 32.60" | 12.60" | -1.18% | 60.7 mph |
| 245/65R20 | 32.54" | 9.65" | -1.36% | 60.8 mph |
| 285/60R20 | 33.46" | 11.22" | +1.42% | 59.2 mph |
| 265/60R20 | 32.52" | 10.43" | -1.42% | 60.9 mph |
| 265/65R20 | 33.56" | 10.43" | +1.73% | 59 mph |
One size wider or narrower
Same height on a different wheel size
- 305/75R15 15" (+0.06%)
- 265/85R15 15" (-0.76%)
- 295/75R15 15" (-1.73%)
- 315/75R15 15" (+1.85%)
- 315/70R15 15" (-1.91%)
- 255/85R16 16" (+0.24%)
- 285/75R16 16" (-0.48%)
- 305/70R16 16" (-0.55%)
- 265/80R16 16" (-0.91%)
- 275/80R16 16" (+1%)
Questions about 275/60R20
How tall is a 275/60R20 tire in inches?
A 275/60R20 tire is 32.99 inches (838 mm) tall: the 20-inch rim plus two sidewalls of 6.50 inches each.
Is 275/60R20 a 33 inch tire?
Yes. At 32.99 inches tall it is commonly called a 33-inch tire.
How many revolutions per mile does a 275/60R20 make?
About 611 revolutions per mile, based on a calculated circumference of 103.7 inches.
What size can replace 275/60R20?
255/65R20 is the closest match on a 20" rim (+0.18% height). Check load index, speed rating and clearance first.
Compare 275/60R20 against any other size with the tire size calculator.