Tire Ruler265/40R22 dimensions
| Overall diameter (height) | 30.35″ · 771 mm |
| Section width | 10.43″ · 265 mm |
| Sidewall height | 4.17″ · 106 mm |
| Wheel diameter | 22″ |
| Rim width (rule of thumb) | 7.5–9″ |
| Circumference | 95.3″ |
| Revolutions per mile | 665 |
| In inches (flotation style) | 30.3 × 10.4R22 |
How it’s calculated: the sidewall is 40% of the 265 mm width = 106.0 mm (4.17″). Add two sidewalls to the 22″ wheel: 22 + 2 × 4.17 = 30.35″.
Bigger tires than 265/40R22 on 22″ wheels
| Size | Height | Taller by | 60 mph reads |
|---|---|---|---|
| 285/40R22 | 31.0″ | +0.63″ (+2.1%) | 61.2 mph |
| 275/45R22 | 31.7″ | +1.40″ (+4.6%) | 62.8 mph |
| 285/45R22 | 32.1″ | +1.75″ (+5.8%) | 63.5 mph |
“60 mph reads” is your real speed when a speedometer set up for 265/40R22 shows 60. Above about 3% taller, most trucks need a leveling kit or lift, and the speedometer should be recalibrated.
Same height on a different wheel size
Changing wheel size (plus or minus sizing) while keeping the overall height keeps your speedometer right:
- 30x9.50R15: 30.0″ tall on a 15″ wheel (−1.1%)
- 245/75R16: 30.5″ tall on a 16″ wheel (+0.4%)
- 265/70R16: 30.6″ tall on a 16″ wheel (+0.9%)
- 255/70R16: 30.1″ tall on a 16″ wheel (−1.0%)
- 215/85R16: 30.4″ tall on a 16″ wheel (+0.1%)
- 245/70R17: 30.5″ tall on a 17″ wheel (+0.5%)
- 265/65R17: 30.6″ tall on a 17″ wheel (+0.7%)
- 255/65R17: 30.1″ tall on a 17″ wheel (−1.0%)
- 235/70R17: 30.0″ tall on a 17″ wheel (−1.3%)
- 265/60R18: 30.5″ tall on an 18″ wheel (+0.6%)
- 235/65R18: 30.0″ tall on an 18″ wheel (−1.1%)
- 245/65R18: 30.5″ tall on an 18″ wheel (+0.6%)
- 255/55R19: 30.0″ tall on a 19″ wheel (−1.0%)
- 265/50R20: 30.4″ tall on a 20″ wheel (+0.3%)
- 255/50R20: 30.0″ tall on a 20″ wheel (−1.0%)
- 265/45R21: 30.4″ tall on a 21″ wheel (+0.1%)
- 275/45R21: 30.7″ tall on a 21″ wheel (+1.3%)
Frequently asked questions
Is 265/40R22 a 30 inch tire?
Not quite. 265/40R22 is 30.35 inches tall, between a 30 and a 31 inch tire.
What size is 265/40R22 in inches?
265/40R22 is 30.3 inches tall (overall diameter), 10.4 inches wide, with a 4.2 inch sidewall, and fits a 22 inch wheel.
What tire size is equivalent to 265/40R22?
No common size on a 22" wheel is within 1.5% of 265/40R22's diameter. Use the calculator above to compare any size.
What rim width fits 265/40R22?
As a rule of thumb, about 7.5–9 inches. The tire maker's spec sheet lists the approved range for each model.
How many revolutions per mile does 265/40R22 make?
About 665 revolutions per mile in theory (circumference 95.3 in). Real tires turn slightly more because they flatten under load.