185/70R14 tire size
185/70R14 is a metric size: 24.2" tall, 7.3" wide, on a 14" rim — about a 24x7.50R14. The sidewall is 5.1" and the tire turns 834 times per mile.
185/70R14 specs
| Overall diameter (height) | 24.20" · 615 mm |
|---|---|
| Section width | 7.28" · 185 mm |
| Sidewall height | 5.10" · 130 mm (70% of width) |
| Rim diameter | 14" |
| Circumference | 76.02" · 1.931 m |
| Revolutions per mile | 834 (518 per km) |
| Inch (flotation) equivalent | 24x7.50R14 |
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 | |
|---|---|---|---|---|---|
| 175/70R14 | 23.65" | -2.28% | -10 mm | 58.6 mph | compare → |
| 195/70R14 | 24.75" | +2.28% | +10 mm | 61.4 mph | compare → |
| 215/60R14 | 24.16" | -0.16% | +30 mm | 59.9 mph | calculate → |
| 225/60R14 | 24.63" | +1.79% | +40 mm | 61.1 mph | calculate → |
| 205/60R14 | 23.69" | -2.12% | +20 mm | 58.7 mph | calculate → |
| 165/80R14 | 24.39" | +0.81% | -20 mm | 60.5 mph | calculate → |
| 195/65R14 | 23.98" | -0.89% | +10 mm | 59.5 mph | calculate → |
Try another size against 185/70R14
Questions
What size is 185/70R14 in inches?
185/70R14 is about 24.2" tall and 7.3" wide on a 14-inch rim — roughly a 24x7.50R14 in inch sizing.
What does 185/70R14 mean?
185 mm section width, sidewall 70% of the width (5.10"), radial construction, 14-inch rim.
What tire sizes are equivalent to 185/70R14?
On the same 14" rim, within 3% of the diameter: 215/60R14 (-0.16%), 165/80R14 (+0.81%), 195/65R14 (-0.89%), 225/60R14 (+1.79%), 205/60R14 (-2.12%), 175/70R14 (-2.28%).
How many revolutions per mile does a 185/70R14 tire make?
About 834 revolutions per mile (circumference 76.0").
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.