225/70R19.5 tire size
225/70R19.5 is a metric size: 31.9" tall, 8.9" wide, on a 19.5" rim — about a 32x9.00R19.5. The sidewall is 6.2" and the tire turns 632 times per mile.
225/70R19.5 specs
| Overall diameter (height) | 31.90" · 810 mm |
|---|---|
| Section width | 8.86" · 225 mm |
| Sidewall height | 6.20" · 158 mm (70% of width) |
| Rim diameter | 19.5" |
| Circumference | 100.22" · 2.546 m |
| Revolutions per mile | 632 (393 per km) |
| Inch (flotation) equivalent | 32x9.00R19.5 |
Try another size against 225/70R19.5
Questions
What size is 225/70R19.5 in inches?
225/70R19.5 is about 31.9" tall and 8.9" wide on a 19.5-inch rim — roughly a 32x9.00R19.5 in inch sizing.
What does 225/70R19.5 mean?
225 mm section width, sidewall 70% of the width (6.20"), radial construction, 19.5-inch rim.
What tire sizes are equivalent to 225/70R19.5?
No other common size on a 19.5" rim comes within 3% of this diameter.
How many revolutions per mile does a 225/70R19.5 tire make?
About 632 revolutions per mile (circumference 100.2").
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.