Metric tire size · 20 in wheel
275/60R20 tire size in inches and millimeters
The answer
Overall diameter
32.99in
A 275/60R20 tire stands 32.99 in (838.0 mm) tall, which makes it a 33-inch tire almost exactly, 0.01 in off.
- Section width
- 10.83 in275 mm
- Sidewall
- 6.50 in165.0 mm
- Wheel
- 20 in508.0 mm
Drawn to scale. Hover or focus a row in the equivalents table to lay that size over this one.
Full specification
275/60R20 — one measurement per row, in both unit systems
| Dimension |
Inchesin |
Millimetersmm |
| Overall diameter | 32.99 | 838.0 |
| Section width | 10.83 | 275.0 |
| Sidewall height | 6.50 | 165.0 |
| Wheel diameter | 20.00 | 508.0 |
| Circumference | 103.65 | 2,632.7 |
275/60R20 — the quantities that are not one measurement in two units
| Quantity | Value | Unit |
| Revolutions | 611.3 | per mile |
| Revolutions | 379.8 | per kilometer |
| Aspect ratio | 60 | % of section width |
| Construction | R | radial |
Sizes that will do the same job
The scale is percent difference in overall diameter against 32.99 in. Every mark is a row of the table below, at its own distance from it.
10 sizes in this table are within ±3% of 32.99 in. A positive difference is taller than 275/60R20; every sign is printed as well as colored.
The most searched equivalents of 275/60R20, 10 listed, sorted by how far each is from 32.99 in. Open a row for its section width and speed.
| Size |
Overall diameterin |
Difference vs 275/60R20% of diameter, then inches |
Actual speedmph at an indicated 60 |
|
|
32.80 |
−0.60%
−0.20 in
|
59.6 |
- Section width
- 12.80 in+1.97 in vs 275/60R20
- Speedometer at 60 mph
- 59.6 mph actual
|
|
|
32.78 |
−0.66%
−0.22 in
|
59.6 |
- Section width
- 11.61 in+0.79 in vs 275/60R20
- Speedometer at 60 mph
- 59.6 mph actual
|
|
|
33.21 |
+0.66%
+0.22 in
|
60.4 |
- Section width
- 12.01 in+1.18 in vs 275/60R20
- Speedometer at 60 mph
- 60.4 mph actual
305/55R20 in inches
|
|
|
32.52 |
−1.43%
−0.47 in
|
59.1 |
- Section width
- 10.43 in−0.39 in vs 275/60R20
- Speedometer at 60 mph
- 59.1 mph actual
|
|
|
33.46 |
+1.43%
+0.47 in
|
60.9 |
- Section width
- 11.22 in+0.39 in vs 275/60R20
- Speedometer at 60 mph
- 60.9 mph actual
the 285/60R20 size page
|
|
|
33.56 |
+1.73%
+0.57 in
|
61.0 |
- Section width
- 10.43 in−0.39 in vs 275/60R20
- Speedometer at 60 mph
- 61.0 mph actual
|
|
|
33.64 |
+1.97%
+0.65 in
|
61.2 |
- Section width
- 12.40 in+1.57 in vs 275/60R20
- Speedometer at 60 mph
- 61.2 mph actual
|
|
|
32.34 |
−1.97%
−0.65 in
|
58.8 |
- Section width
- 11.22 in+0.39 in vs 275/60R20
- Speedometer at 60 mph
- 58.8 mph actual
285/55R20 in inches
|
|
|
33.94 |
+2.86%
+0.94 in
|
61.7 |
- Section width
- 11.61 in+0.79 in vs 275/60R20
- Speedometer at 60 mph
- 61.7 mph actual
|
|
|
32.01 |
−2.98%
−0.98 in
|
58.2 |
- Section width
- 12.01 in+1.18 in vs 275/60R20
- Speedometer at 60 mph
- 58.2 mph actual
|
The next sizes up and down
One width step and one profile step either side of 275/60R20, on the same wheel.
| Size |
Overall diameterdifference % and inches |
Section widthvs 275/60R20, then mph at an indicated 60 |
| narrower265/60R20 |
32.52−1.43% −0.47 in |
−0.39 in59.1 mph actual |
| wider285/60R20 |
33.46+1.43% +0.47 in |
+0.39 in60.9 mph actual |
| lower profile275/55R20 |
31.91−3.28% −1.08 in |
0.00 in58.0 mph actual |
| taller profile275/65R20 |
34.07+3.28% +1.08 in |
0.00 in62.0 mph actual |