265/40R16 tire size in inches
A 265/40R16 tire measures
24.3" tall × 10.4" wide
4.17" sidewall on a 16" wheel. 828 revolutions per mile.
265/40R16 means a tire 265 mm wide, with sidewalls 40% as tall as the tire is wide (106 mm), radial construction (R), for a 16 inch wheel.
265/40R16 specs
| Overall diameter (height) | 24.35 inches (618 mm) |
|---|---|
| Section width | 10.43 inches (265 mm) |
| Sidewall height | 4.17 inches (106 mm) |
| Wheel (rim) diameter | 16 inches |
| Circumference | 76.5 inches (1,943 mm) |
| Revolutions per mile | 828 |
| Revolutions per kilometer | 515 |
| Approximate rim width | 8.5" to 10.0" |
| In inches (flotation style) | 24.3x10.4R16 |
| Aspect ratio | 40% |
Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.
Sizes that can replace 265/40R16 on a 16" wheel
These 16" sizes are within 3% of 265/40R16's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 235/45R16 | 24.33" | 9.25" | −0.1% | 60.0 mph | Compare |
| 175/60R16 | 24.27" | 6.89" | −0.3% | 59.8 mph | Compare |
| 195/55R16 | 24.44" | 7.68" | +0.4% | 60.2 mph | Compare |
| 215/50R16 | 24.46" | 8.46" | +0.5% | 60.3 mph | Compare |
| 205/50R16 | 24.07" | 8.07" | −1.1% | 59.3 mph | Compare |
| 255/40R16 | 24.03" | 10.04" | −1.3% | 59.2 mph | Compare |
| 275/40R16 | 24.66" | 10.83" | +1.3% | 60.8 mph | Compare |
| 185/55R16 | 24.01" | 7.28" | −1.4% | 59.2 mph | Compare |
| 245/45R16 | 24.68" | 9.65" | +1.4% | 60.8 mph | Compare |
| 225/45R16 | 23.97" | 8.86" | −1.5% | 59.1 mph | Compare |
| 185/60R16 | 24.74" | 7.28" | +1.6% | 61.0 mph | Compare |
| 225/50R16 | 24.86" | 8.86" | +2.1% | 61.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 175/75R14 | 14" | 24.33" | 0.0% | Compare |
| 155/85R14 | 14" | 24.37" | +0.1% | Compare |
| 225/30R19 | 19" | 24.31" | −0.1% | Compare |
| 215/55R15 | 15" | 24.31" | −0.1% | Compare |
| 265/35R17 | 17" | 24.30" | −0.2% | Compare |
| 265/45R15 | 15" | 24.39" | +0.2% | Compare |
| 205/70R13 | 13" | 24.30" | −0.2% | Compare |
| 165/80R14 | 14" | 24.39" | +0.2% | Compare |
| 235/40R17 | 17" | 24.40" | +0.2% | Compare |
| 185/50R17 | 17" | 24.28" | −0.3% | Compare |
| 275/25R19 | 19" | 24.41" | +0.3% | Compare |
| 205/45R17 | 17" | 24.26" | −0.3% | Compare |
One size up or down
- 255/40R16narrower: 24.0" × 10.0"
- 275/40R16wider: 24.7" × 10.8"
- 265/45R16taller sidewall: 25.4" × 10.4"
Compare 265/40R16 with another size
Questions
- How tall is a 265/40R16 tire?
- A 265/40R16 tire is 24.3 inches tall (618 mm), calculated from the size. It is 10.4 inches wide with 4.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 265/40R16 mean?
- 265/40R16 means a tire 265 mm wide, with sidewalls 40% as tall as the tire is wide (106 mm), radial construction (R), for a 16 inch wheel.
- How many revolutions per mile does a 265/40R16 tire make?
- About 828 revolutions per mile, based on a circumference of 76.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 265/40R16 tire?
- Roughly 8.5" to 10.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 235/45R16 instead of 265/40R16?
- 235/45R16 is −0.02 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.