275/35R23 tire size
275/35R23 is a metric size: 30.6" tall, 10.8" wide, on a 23" rim — about a 30.5x11.00R23. The sidewall is 3.8" and the tire turns 660 times per mile.
275/35R23 specs
| Overall diameter (height) | 30.58" · 777 mm |
|---|---|
| Section width | 10.83" · 275 mm |
| Sidewall height | 3.79" · 96 mm (35% of width) |
| Rim diameter | 23" |
| Circumference | 96.07" · 2.440 m |
| Revolutions per mile | 660 (410 per km) |
| Inch (flotation) equivalent | 30.5x11.00R23 |
Equivalent sizes on a 23" 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 | |
|---|---|---|---|---|---|
| 285/35R23 | 30.85" | +0.90% | +10 mm | 60.5 mph | calculate → |
| 315/30R23 | 30.44" | -0.45% | +40 mm | 59.7 mph | calculate → |
| 295/35R23 | 31.13" | +1.80% | +20 mm | 61.1 mph | calculate → |
| 325/30R23 | 30.68" | +0.32% | +50 mm | 60.2 mph | calculate → |
| 335/30R23 | 30.91" | +1.09% | +60 mm | 60.7 mph | calculate → |
| 255/40R23 | 31.03" | +1.48% | -20 mm | 60.9 mph | calculate → |
| 305/35R23 | 31.41" | +2.70% | +30 mm | 61.6 mph | calculate → |
| 295/30R23 | 29.97" | -2.00% | +20 mm | 58.8 mph | calculate → |
Try another size against 275/35R23
Questions
What size is 275/35R23 in inches?
275/35R23 is about 30.6" tall and 10.8" wide on a 23-inch rim — roughly a 30.5x11.00R23 in inch sizing.
What does 275/35R23 mean?
275 mm section width, sidewall 35% of the width (3.79"), radial construction, 23-inch rim.
What tire sizes are equivalent to 275/35R23?
On the same 23" rim, within 3% of the diameter: 325/30R23 (+0.32%), 315/30R23 (-0.45%), 285/35R23 (+0.90%), 335/30R23 (+1.09%), 255/40R23 (+1.48%), 295/35R23 (+1.80%).
How many revolutions per mile does a 275/35R23 tire make?
About 660 revolutions per mile (circumference 96.1").
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.