285/40R16 tire size in inches
A 285/40R16 tire measures
25.0" tall × 11.2" wide
4.49" sidewall on a 16" wheel. 807 revolutions per mile.
285/40R16 means a tire 285 mm wide, with sidewalls 40% as tall as the tire is wide (114 mm), radial construction (R), for a 16 inch wheel.
285/40R16 specs
| Overall diameter (height) | 24.98 inches (634 mm) |
|---|---|
| Section width | 11.22 inches (285 mm) |
| Sidewall height | 4.49 inches (114 mm) |
| Wheel (rim) diameter | 16 inches |
| Circumference | 78.5 inches (1,993 mm) |
| Revolutions per mile | 807 |
| Revolutions per kilometer | 502 |
| Approximate rim width | 9.5" to 11.0" |
| In inches (flotation style) | 25.0x11.2R16 |
| 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 285/40R16 on a 16" wheel
These 16" sizes are within 3% of 285/40R16's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 175/65R16 | 24.96" | 6.89" | −0.1% | 60.0 mph | Compare |
| 255/45R16 | 25.04" | 10.04" | +0.2% | 60.1 mph | Compare |
| 205/55R16 | 24.88" | 8.07" | −0.4% | 59.8 mph | Compare |
| 225/50R16 | 24.86" | 8.86" | −0.5% | 59.7 mph | Compare |
| 185/60R16 | 24.74" | 7.28" | −0.9% | 59.4 mph | Compare |
| 195/60R16 | 25.21" | 7.68" | +0.9% | 60.6 mph | Compare |
| 235/50R16 | 25.25" | 9.25" | +1.1% | 60.7 mph | Compare |
| 245/45R16 | 24.68" | 9.65" | −1.2% | 59.3 mph | Compare |
| 275/40R16 | 24.66" | 10.83" | −1.3% | 59.2 mph | Compare |
| 295/40R16 | 25.29" | 11.61" | +1.3% | 60.8 mph | Compare |
| 215/55R16 | 25.31" | 8.46" | +1.3% | 60.8 mph | Compare |
| 265/45R16 | 25.39" | 10.43" | +1.7% | 61.0 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 225/45R17 | 17" | 24.97" | 0.0% | Compare |
| 195/65R15 | 15" | 24.98" | 0.0% | Compare |
| 215/65R14 | 14" | 25.00" | +0.1% | Compare |
| 305/25R19 | 19" | 25.00" | +0.1% | Compare |
| 185/55R17 | 17" | 25.01" | +0.1% | Compare |
| 255/25R20 | 20" | 25.02" | +0.2% | Compare |
| 175/80R14 | 14" | 25.02" | +0.2% | Compare |
| 255/30R19 | 19" | 25.02" | +0.2% | Compare |
| 185/75R14 | 14" | 24.93" | −0.2% | Compare |
| 215/35R19 | 19" | 24.93" | −0.2% | Compare |
| 235/65R13 | 13" | 25.03" | +0.2% | Compare |
| 255/35R18 | 18" | 25.03" | +0.2% | Compare |
One size up or down
- 275/40R16narrower: 24.7" × 10.8"
- 295/40R16wider: 25.3" × 11.6"
- 285/45R16taller sidewall: 26.1" × 11.2"
Compare 285/40R16 with another size
Questions
- How tall is a 285/40R16 tire?
- A 285/40R16 tire is 25.0 inches tall (634 mm), calculated from the size. It is 11.2 inches wide with 4.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 285/40R16 mean?
- 285/40R16 means a tire 285 mm wide, with sidewalls 40% as tall as the tire is wide (114 mm), radial construction (R), for a 16 inch wheel.
- How many revolutions per mile does a 285/40R16 tire make?
- About 807 revolutions per mile, based on a circumference of 78.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 285/40R16 tire?
- Roughly 9.5" to 11.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 175/65R16 instead of 285/40R16?
- 175/65R16 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.