325/30R19 tire size
325/30R19 is a metric size: 26.7" tall, 12.8" wide, on a 19" rim — about a 26.5x13.00R19. The sidewall is 3.8" and the tire turns 756 times per mile.
325/30R19 specs
| Overall diameter (height) | 26.68" · 678 mm |
|---|---|
| Section width | 12.80" · 325 mm |
| Sidewall height | 3.84" · 98 mm (30% of width) |
| Rim diameter | 19" |
| Circumference | 83.81" · 2.129 m |
| Revolutions per mile | 756 (470 per km) |
| Inch (flotation) equivalent | 26.5x13.00R19 |
Equivalent sizes on a 19" 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 | |
|---|---|---|---|---|---|
| 245/45R19 common | 27.68" | +3.76% | -80 mm | 62.3 mph | compare → |
| 245/40R19 common | 26.72" | +0.15% | -80 mm | 60.1 mph | compare → |
| 235/40R19 common | 26.40" | -1.03% | -90 mm | 59.4 mph | compare → |
| 255/40R19 common | 27.03" | +1.33% | -70 mm | 60.8 mph | compare → |
| 255/35R19 common | 26.03" | -2.44% | -70 mm | 58.5 mph | compare → |
| 275/35R19 common | 26.58" | -0.37% | -50 mm | 59.8 mph | compare → |
| 275/40R19 common | 27.66" | +3.69% | -50 mm | 62.2 mph | compare → |
| 245/35R19 common | 25.75" | -3.47% | -80 mm | 57.9 mph | compare → |
| 225/40R19 common | 26.09" | -2.21% | -100 mm | 58.7 mph | compare → |
| 235/35R19 common | 25.48" | -4.50% | -90 mm | 57.3 mph | compare → |
| 225/45R19 common | 26.97" | +1.11% | -100 mm | 60.7 mph | compare → |
| 285/35R19 common | 26.85" | +0.66% | -40 mm | 60.4 mph | compare → |
| 265/35R19 common | 26.30" | -1.40% | -60 mm | 59.2 mph | compare → |
| 235/45R19 common | 27.33" | +2.44% | -90 mm | 61.5 mph | compare → |
| 285/30R19 | 25.73" | -3.54% | -40 mm | 57.9 mph | compare → |
| 305/30R19 | 26.20" | -1.77% | -20 mm | 58.9 mph | compare → |
| 295/30R19 | 25.97" | -2.66% | -30 mm | 58.4 mph | compare → |
| 285/40R19 | 27.98" | +4.87% | -40 mm | 62.9 mph | compare → |
| 265/40R19 | 27.35" | +2.51% | -60 mm | 61.5 mph | compare → |
| 275/30R19 | 25.50" | -4.43% | -50 mm | 57.3 mph | compare → |
| 295/35R19 | 27.13" | +1.70% | -30 mm | 61.0 mph | compare → |
| 345/30R19 | 27.15" | +1.77% | +20 mm | 61.1 mph | compare → |
| 315/30R19 | 26.44" | -0.89% | -10 mm | 59.5 mph | compare → |
| 305/35R19 | 27.41" | +2.73% | -20 mm | 61.6 mph | calculate → |
| 155/70R19 | 27.54" | +3.25% | -170 mm | 61.9 mph | calculate → |
| 355/30R19 | 27.39" | +2.66% | +30 mm | 61.6 mph | calculate → |
| 215/50R19 | 27.46" | +2.95% | -110 mm | 61.8 mph | calculate → |
| 195/50R19 | 26.68" | 0.00% | -130 mm | 60.0 mph | calculate → |
| 175/60R19 | 27.27" | +2.21% | -150 mm | 61.3 mph | calculate → |
| 335/30R19 | 26.91" | +0.89% | +10 mm | 60.5 mph | calculate → |
| 315/35R19 | 27.68" | +3.76% | -10 mm | 62.3 mph | calculate → |
| 225/50R19 | 27.86" | +4.43% | -100 mm | 62.7 mph | calculate → |
Plus / minus sizing: 18" and 20" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 245/45R18 common | 26.68" | +0.01% | -80 mm | 60.0 mph | compare → |
| 225/50R18 common | 26.86" | +0.68% | -100 mm | 60.4 mph | compare → |
| 245/35R20 common | 26.75" | +0.28% | -80 mm | 60.2 mph | compare → |
| 275/40R18 common | 26.66" | -0.06% | -50 mm | 60.0 mph | compare → |
| 285/30R20 common | 26.73" | +0.21% | -40 mm | 60.1 mph | compare → |
| 275/30R20 common | 26.50" | -0.68% | -50 mm | 59.6 mph | compare → |
| 235/35R20 | 26.48" | -0.75% | -90 mm | 59.5 mph | compare → |
| 335/25R20 | 26.59" | -0.31% | +10 mm | 59.8 mph | compare → |
| 215/50R18 | 26.46" | -0.80% | -110 mm | 59.5 mph | compare → |
| 345/25R20 | 26.79" | +0.43% | +20 mm | 60.3 mph | calculate → |
| 155/70R18 | 26.54" | -0.50% | -170 mm | 59.7 mph | calculate → |
| 145/60R20 | 26.85" | +0.65% | -180 mm | 60.4 mph | calculate → |
| 315/35R18 | 26.68" | +0.01% | -10 mm | 60.0 mph | calculate → |
Try another size against 325/30R19
Questions
What size is 325/30R19 in inches?
325/30R19 is about 26.7" tall and 12.8" wide on a 19-inch rim — roughly a 26.5x13.00R19 in inch sizing.
What does 325/30R19 mean?
325 mm section width, sidewall 30% of the width (3.84"), radial construction, 19-inch rim.
What tire sizes are equivalent to 325/30R19?
On the same 19" rim, within 3% of the diameter: 195/50R19 (0.00%), 245/40R19 (+0.15%), 275/35R19 (-0.37%), 285/35R19 (+0.66%), 335/30R19 (+0.89%), 315/30R19 (-0.89%).
How many revolutions per mile does a 325/30R19 tire make?
About 756 revolutions per mile (circumference 83.8").
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.