235/55R16 tire size
235/55R16 is a metric size: 26.2" tall, 9.3" wide, on a 16" rim — about a 26x9.50R16. The sidewall is 5.1" and the tire turns 770 times per mile.
235/55R16 specs
| Overall diameter (height) | 26.18" · 665 mm |
|---|---|
| Section width | 9.25" · 235 mm |
| Sidewall height | 5.09" · 129 mm (55% of width) |
| Rim diameter | 16" |
| Circumference | 82.24" · 2.089 m |
| Revolutions per mile | 770 (479 per km) |
| Inch (flotation) equivalent | 26x9.50R16 |
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 | |
|---|---|---|---|---|---|
| 205/55R16 common | 24.88" | -4.96% | -30 mm | 57.0 mph | calculate → |
| 215/65R16 common | 27.00" | +3.16% | -20 mm | 61.9 mph | calculate → |
| 215/55R16 common | 25.31" | -3.31% | -20 mm | 58.0 mph | calculate → |
| 215/60R16 common | 26.16" | -0.08% | -20 mm | 60.0 mph | calculate → |
| 205/60R16 common | 25.69" | -1.88% | -30 mm | 58.9 mph | calculate → |
| 205/65R16 common | 26.49" | +1.20% | -30 mm | 60.7 mph | calculate → |
| 225/60R16 common | 26.63" | +1.73% | -10 mm | 61.0 mph | calculate → |
| 235/60R16 common | 27.10" | +3.53% | 0 mm | 62.1 mph | calculate → |
| 225/55R16 | 25.74" | -1.65% | -10 mm | 59.0 mph | calculate → |
| 205/70R16 | 27.30" | +4.29% | -30 mm | 62.6 mph | calculate → |
| 245/50R16 | 25.65" | -2.03% | +10 mm | 58.8 mph | calculate → |
| 195/60R16 | 25.21" | -3.68% | -40 mm | 57.8 mph | calculate → |
| 255/50R16 | 26.04" | -0.53% | +20 mm | 59.7 mph | calculate → |
| 145/90R16 | 26.28" | +0.38% | -90 mm | 60.2 mph | calculate → |
| 155/90R16 | 26.98" | +3.08% | -80 mm | 61.8 mph | calculate → |
| 195/65R16 | 25.98" | -0.75% | -40 mm | 59.5 mph | calculate → |
| 275/45R16 | 25.74" | -1.65% | +40 mm | 59.0 mph | calculate → |
| 26x11.50R16 | 26.00" | -0.68% | +57 mm | 59.6 mph | calculate → |
| 315/40R16 | 25.92" | -0.98% | +80 mm | 59.4 mph | calculate → |
| 265/45R16 | 25.39" | -3.01% | +30 mm | 58.2 mph | calculate → |
| 355/40R16 | 27.18" | +3.84% | +120 mm | 62.3 mph | calculate → |
| 145/80R16 | 25.13" | -3.99% | -90 mm | 57.6 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 | |
|---|---|---|---|---|---|
| 215/55R17 common | 26.31" | +0.51% | -20 mm | 60.3 mph | calculate → |
| 235/50R17 common | 26.25" | +0.29% | 0 mm | 60.2 mph | calculate → |
| 205/70R15 | 26.30" | +0.47% | -30 mm | 60.3 mph | calculate → |
| 215/65R15 | 26.00" | -0.66% | -20 mm | 59.6 mph | calculate → |
| 255/45R17 | 26.04" | -0.54% | +20 mm | 59.7 mph | calculate → |
| 235/60R15 | 26.10" | -0.29% | 0 mm | 59.8 mph | calculate → |
| 335/35R17 | 26.23" | +0.21% | +100 mm | 60.1 mph | calculate → |
| 195/60R17 | 26.21" | +0.14% | -40 mm | 60.1 mph | calculate → |
| 26x10.00R15 | 26.00" | -0.68% | +19 mm | 59.6 mph | calculate → |
| 285/40R17 | 25.98" | -0.77% | +50 mm | 59.5 mph | calculate → |
| 145/80R17 | 26.13" | -0.17% | -90 mm | 59.9 mph | calculate → |
| 26x8.50R15 | 26.00" | -0.68% | -19 mm | 59.6 mph | calculate → |
| 175/65R17 | 25.96" | -0.84% | -60 mm | 59.5 mph | calculate → |
| 26x10.50R15 | 26.00" | -0.68% | +32 mm | 59.6 mph | calculate → |
| 26x12.00R15 | 26.00" | -0.68% | +70 mm | 59.6 mph | calculate → |
| 26x6.00R15 | 26.00" | -0.68% | -83 mm | 59.6 mph | calculate → |
| 26x6.00R17 | 26.00" | -0.68% | -83 mm | 59.6 mph | calculate → |
| 26x7.50R15 | 26.00" | -0.68% | -44 mm | 59.6 mph | calculate → |
| 26x8.00R15 | 26.00" | -0.68% | -32 mm | 59.6 mph | calculate → |
| 165/70R17 | 26.09" | -0.32% | -70 mm | 59.8 mph | calculate → |
| 295/40R17 | 26.29" | +0.44% | +60 mm | 60.3 mph | calculate → |
| 26x11.50R15 | 26.00" | -0.68% | +57 mm | 59.6 mph | calculate → |
Try another size against 235/55R16
Questions
What size is 235/55R16 in inches?
235/55R16 is about 26.2" tall and 9.3" wide on a 16-inch rim — roughly a 26x9.50R16 in inch sizing.
What does 235/55R16 mean?
235 mm section width, sidewall 55% of the width (5.09"), radial construction, 16-inch rim.
What tire sizes are equivalent to 235/55R16?
On the same 16" rim, within 3% of the diameter: 215/60R16 (-0.08%), 145/90R16 (+0.38%), 255/50R16 (-0.53%), 26x11.50R16 (-0.68%), 195/65R16 (-0.75%), 315/40R16 (-0.98%).
How many revolutions per mile does a 235/55R16 tire make?
About 770 revolutions per mile (circumference 82.2").
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.