185/65R14 tire size
185/65R14 is a metric size: 23.5" tall, 7.3" wide, on a 14" rim — about a 23.5x7.50R14. The sidewall is 4.7" and the tire turns 859 times per mile.
185/65R14 specs
| Overall diameter (height) | 23.47" · 596 mm |
|---|---|
| Section width | 7.28" · 185 mm |
| Sidewall height | 4.73" · 120 mm (65% of width) |
| Rim diameter | 14" |
| Circumference | 73.73" · 1.873 m |
| Revolutions per mile | 859 (534 per km) |
| Inch (flotation) equivalent | 23.5x7.50R14 |
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 | |
|---|---|---|---|---|---|
| 175/65R14 | 22.96" | -2.18% | -10 mm | 58.7 mph | compare → |
| 175/70R14 | 23.65" | +0.75% | -10 mm | 60.5 mph | compare → |
| 195/60R14 | 23.21" | -1.09% | +10 mm | 59.3 mph | compare → |
| 205/55R14 | 22.88" | -2.52% | +20 mm | 58.5 mph | calculate → |
| 225/50R14 | 22.86" | -2.60% | +40 mm | 58.4 mph | calculate → |
| 205/60R14 | 23.69" | +0.92% | +20 mm | 60.6 mph | calculate → |
| 215/60R14 | 24.16" | +2.94% | +30 mm | 61.8 mph | calculate → |
| 195/65R14 | 23.98" | +2.18% | +10 mm | 61.3 mph | calculate → |
Try another size against 185/65R14
Questions
What size is 185/65R14 in inches?
185/65R14 is about 23.5" tall and 7.3" wide on a 14-inch rim — roughly a 23.5x7.50R14 in inch sizing.
What does 185/65R14 mean?
185 mm section width, sidewall 65% of the width (4.73"), radial construction, 14-inch rim.
What tire sizes are equivalent to 185/65R14?
On the same 14" rim, within 3% of the diameter: 175/70R14 (+0.75%), 205/60R14 (+0.92%), 195/60R14 (-1.09%), 175/65R14 (-2.18%), 195/65R14 (+2.18%), 205/55R14 (-2.52%).
How many revolutions per mile does a 185/65R14 tire make?
About 859 revolutions per mile (circumference 73.7").
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.