185/55R14 tire size
185/55R14 is a metric size: 22.0" tall, 7.3" wide, on a 14" rim — about a 22x7.50R14. The sidewall is 4.0" and the tire turns 916 times per mile.
185/55R14 specs
| Overall diameter (height) | 22.01" · 559 mm |
|---|---|
| Section width | 7.28" · 185 mm |
| Sidewall height | 4.01" · 102 mm (55% of width) |
| Rim diameter | 14" |
| Circumference | 69.15" · 1.756 m |
| Revolutions per mile | 916 (569 per km) |
| Inch (flotation) equivalent | 22x7.50R14 |
Equivalent sizes on a 14" 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 | |
|---|---|---|---|---|---|
| 165/65R14 | 22.44" | +1.97% | -20 mm | 61.2 mph | calculate → |
| 175/60R14 | 22.27" | +1.16% | -10 mm | 60.7 mph | calculate → |
| 205/50R14 | 22.07" | +0.27% | +20 mm | 60.2 mph | calculate → |
| 165/60R14 | 21.80" | -0.98% | -20 mm | 59.4 mph | calculate → |
| 195/55R14 | 22.44" | +1.97% | +10 mm | 61.2 mph | calculate → |
Try another size against 185/55R14
Questions
What size is 185/55R14 in inches?
185/55R14 is about 22.0" tall and 7.3" wide on a 14-inch rim — roughly a 22x7.50R14 in inch sizing.
What does 185/55R14 mean?
185 mm section width, sidewall 55% of the width (4.01"), radial construction, 14-inch rim.
What tire sizes are equivalent to 185/55R14?
On the same 14" rim, within 3% of the diameter: 205/50R14 (+0.27%), 165/60R14 (-0.98%), 175/60R14 (+1.16%), 165/65R14 (+1.97%), 195/55R14 (+1.97%).
How many revolutions per mile does a 185/55R14 tire make?
About 916 revolutions per mile (circumference 69.2").
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.