32x12.00R16.5 tire size
32x12.00R16.5 is a flotation (inch) size: 32.0" tall, 12.0" wide, on a 16.5" rim — about a 310/65R16.5. The sidewall is 7.8" and the tire turns 630 times per mile.
32x12.00R16.5 specs
| Overall diameter (height) | 32.00" · 813 mm |
|---|---|
| Section width | 12.00" · 305 mm |
| Sidewall height | 7.75" · 197 mm (65% of width) |
| Rim diameter | 16.5" |
| Circumference | 100.53" · 2.553 m |
| Revolutions per mile | 630 (392 per km) |
| Closest metric size | 310/65R16.5 |
Try another size against 32x12.00R16.5
Questions
What size is 32x12.00R16.5 in inches?
32x12.00R16.5 is about 32.0" tall and 12.0" wide on a 16.5-inch rim — roughly a 310/65R16.5 in inch sizing.
What does 32x12.00R16.5 mean?
32" overall diameter, 12.00" section width, radial, 16.5" rim.
What tire sizes are equivalent to 32x12.00R16.5?
No other common size on a 16.5" rim comes within 3% of this diameter.
How many revolutions per mile does a 32x12.00R16.5 tire make?
About 630 revolutions per mile (circumference 100.5").
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.