28x11.50R16 tire size
28x11.50R16 is a flotation (inch) size: 28.0" tall, 11.5" wide, on a 16" rim — about a 290/55R16. The sidewall is 6.0" and the tire turns 720 times per mile.
28x11.50R16 specs
| Overall diameter (height) | 28.00" · 711 mm |
|---|---|
| Section width | 11.50" · 292 mm |
| Sidewall height | 6.00" · 152 mm (52% of width) |
| Rim diameter | 16" |
| Circumference | 87.96" · 2.234 m |
| Revolutions per mile | 720 (448 per km) |
| Closest metric size | 290/55R16 |
Equivalent sizes on a 16" 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 | |
|---|---|---|---|---|---|
| 225/75R16 common | 29.29" | +4.60% | -67 mm | 62.8 mph | calculate → |
| 235/70R16 common | 28.95" | +3.40% | -57 mm | 62.0 mph | calculate → |
| 215/65R16 common | 27.00" | -3.56% | -77 mm | 57.9 mph | calculate → |
| 215/70R16 common | 27.85" | -0.53% | -77 mm | 59.7 mph | calculate → |
| 235/65R16 common | 28.03" | +0.10% | -57 mm | 60.1 mph | calculate → |
| 225/60R16 common | 26.63" | -4.89% | -67 mm | 57.1 mph | calculate → |
| 225/70R16 common | 28.40" | +1.43% | -67 mm | 60.9 mph | calculate → |
| 225/65R16 common | 27.52" | -1.73% | -67 mm | 59.0 mph | calculate → |
| 235/60R16 common | 27.10" | -3.21% | -57 mm | 58.1 mph | calculate → |
| 195/75R16 | 27.52" | -1.73% | -97 mm | 59.0 mph | calculate → |
| 255/65R16 | 29.05" | +3.75% | -37 mm | 62.3 mph | calculate → |
| 205/70R16 | 27.30" | -2.50% | -87 mm | 58.5 mph | calculate → |
| 205/75R16 | 28.11" | +0.38% | -87 mm | 60.2 mph | calculate → |
| 215/75R16 | 28.70" | +2.49% | -77 mm | 61.5 mph | calculate → |
| 155/90R16 | 26.98" | -3.63% | -137 mm | 57.8 mph | calculate → |
| 205/80R16 | 28.91" | +3.26% | -87 mm | 62.0 mph | calculate → |
| 255/60R16 | 28.05" | +0.17% | -37 mm | 60.1 mph | calculate → |
| 195/80R16 | 28.28" | +1.01% | -97 mm | 60.6 mph | calculate → |
| 285/55R16 | 28.34" | +1.22% | -7 mm | 60.7 mph | calculate → |
| 295/50R16 | 27.61" | -1.38% | +3 mm | 59.2 mph | calculate → |
| 355/40R16 | 27.18" | -2.92% | +63 mm | 58.2 mph | calculate → |
| 275/60R16 | 28.99" | +3.54% | -17 mm | 62.1 mph | calculate → |
Plus / minus sizing: 15" and 17" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 235/60R17 common | 28.10" | +0.37% | -57 mm | 60.2 mph | calculate → |
| 215/65R17 common | 28.00" | +0.01% | -77 mm | 60.0 mph | calculate → |
| 235/70R15 | 27.95" | -0.17% | -57 mm | 59.9 mph | calculate → |
| 275/60R15 | 27.99" | -0.03% | -17 mm | 60.0 mph | calculate → |
| 155/90R17 | 27.98" | -0.06% | -137 mm | 60.0 mph | calculate → |
| 255/55R17 | 28.04" | +0.15% | -37 mm | 60.1 mph | calculate → |
| 305/45R17 | 27.81" | -0.69% | +13 mm | 59.6 mph | calculate → |
| 325/50R15 | 27.80" | -0.73% | +33 mm | 59.6 mph | calculate → |
| 28x10.50R15 | 28.00" | 0.00% | -25 mm | 60.0 mph | calculate → |
| 28x11.50R15 | 28.00" | 0.00% | 0 mm | 60.0 mph | calculate → |
| 28x9.00R15 | 28.00" | 0.00% | -63 mm | 60.0 mph | calculate → |
| 295/55R15 | 27.78" | -0.80% | +3 mm | 59.5 mph | calculate → |
| 28x10.00R15 | 28.00" | 0.00% | -38 mm | 60.0 mph | calculate → |
| 28x12.00R15 | 28.00" | 0.00% | +13 mm | 60.0 mph | calculate → |
| 28x6.00R15 | 28.00" | 0.00% | -140 mm | 60.0 mph | calculate → |
| 28x6.00R17 | 28.00" | 0.00% | -140 mm | 60.0 mph | calculate → |
| 28x7.50R15 | 28.00" | 0.00% | -101 mm | 60.0 mph | calculate → |
| 275/50R17 | 27.83" | -0.62% | -17 mm | 59.6 mph | calculate → |
| 28x12.50R15 | 28.00" | 0.00% | +26 mm | 60.0 mph | calculate → |
| 28x13.50R15 | 28.00" | 0.00% | +51 mm | 60.0 mph | calculate → |
| 255/65R15 | 28.05" | +0.18% | -37 mm | 60.1 mph | calculate → |
| 345/40R17 | 27.87" | -0.48% | +53 mm | 59.7 mph | calculate → |
Try another size against 28x11.50R16
Questions
What size is 28x11.50R16 in inches?
28x11.50R16 is about 28.0" tall and 11.5" wide on a 16-inch rim — roughly a 290/55R16 in inch sizing.
What does 28x11.50R16 mean?
28" overall diameter, 11.50" section width, radial, 16" rim.
What tire sizes are equivalent to 28x11.50R16?
On the same 16" rim, within 3% of the diameter: 235/65R16 (+0.10%), 255/60R16 (+0.17%), 205/75R16 (+0.38%), 215/70R16 (-0.53%), 195/80R16 (+1.01%), 285/55R16 (+1.22%).
How many revolutions per mile does a 28x11.50R16 tire make?
About 720 revolutions per mile (circumference 88.0").
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.