31x10.50 R16
What size is 31x10.50 R16?
31x10.50 R16 has an overall diameter of about 31.00 in, a section width of 10.50 in and a sidewall height of 7.50 in. It turns roughly 651 times per mile. Below are the exact figures plus in-tolerance plus/minus sizes you can switch to safely.
- Overall diameter: 31.00 in.
- Section width: 10.50 in.
- Sidewall height: 7.50 in.
- Revolutions: 404 /km · 651 /mi.
- In-tolerance sizes: 31x10.50 R15 (+0.0%).
Fitment verdict
31x10.50 R15 stays within the configured tolerance for 31x10.50 R16: 0.0% diameter and 0.0% speedometer effect.
| Metric | This size: 31x10.50 R16 | Alternative: 31x10.50 R15 | Difference | Verdict |
|---|---|---|---|---|
| Overall diameter | 31.00 in | 31.00 in | 0.0% | Within tolerance |
| Section width | 10.50 in | 10.50 in | 0.00 in | Computed difference |
| Sidewall height | 7.50 in | 8.00 in | +0.50 in | Computed difference |
| Circumference | 97.39 in | 97.39 in | 0.0% | Within tolerance |
| Speedo | 0.0% | 0.0% | 0.0% | Within tolerance |
Seasonal check
Planning a long summer drive?
Use the budget and running-cost tools before a trip, especially if the current tyres are worn or the replacement size changes diameter.
Specification
| Overall diameter | 31.00 in |
|---|---|
| Section width | 10.50 in |
| Sidewall height | 7.50 in |
| Circumference | 97.39 in |
| Revolutions | 404 /km · 651 /mi |
In-tolerance sizes
Alternative sizes that stay within the safe diameter tolerance:
| Size | Diameter | Speedo | Verdict |
|---|---|---|---|
| 31x10.50 R15 | +0.0% | +0.0% | ✓ OK |
| 285/40 R22 | -0.1% | -0.1% | ✓ OK |
| 275/55 R19 | -0.3% | -0.3% | ✓ OK |
| 285/50 R20 | +0.7% | +0.7% | ✓ OK |
| 275/45 R21 | -0.8% | -0.8% | ✓ OK |
| 265/70 R16 | -1.3% | -1.3% | ✓ OK |
| 265/65 R17 | -1.4% | -1.4% | ✓ OK |
| 245/65 R18 | -1.5% | -1.5% | ✓ OK |
| 285/60 R18 | +1.5% | +1.5% | ✓ OK |
| 265/60 R18 | -1.5% | -1.5% | ✓ OK |
| 245/70 R17 | -1.6% | -1.6% | ✓ OK |
| 265/65 R18 | +1.8% | +1.8% | ✓ OK |
Compare sizes
- Within tolerance · Diameter +0.0%.
- Speedo @ 60: 60 mph → 60.0 mph.
- Sidewall +0.50 in · Width +0.00 in.
How this result is calculated
Computed from nominal tire-size geometry: diameter, circumference and speedometer error. It does not check wheel-arch, suspension or brake clearance.
Methodology- Diameter
- 31.00 in 31.00 in+0.00 in
- Sidewall
- 7.50 in 8.00 in+0.50 in
- Width
- 10.50 in 10.50 in+0.00 in
- Circumference
- 97.39 in 97.39 in+0.0%
- Revs / mile
- 651 651
- Speedo @ 60
- 60 mph 60.0 mph+0.0%
- Current —
31x10.50 R16 - New —
31x10.50 R15 - Grounded to the road: the axle rises +0.00 in.
Result report
31x10.50 R16 31x10.50 R15 · Within tolerance
Use this size when shopping: 31x10.50 R15
Geometric estimate. Always verify physical clearance (arches, suspension, brakes) before fitting.
Safe alternative sizes
| Size | Diameter | Speedo @ 100 | Use this |
|---|---|---|---|
−1″ 255/80R15 | +0.2% | +0.2% | |
OE 255/75R16 | +0.2% | +0.2% | |
+1″ 355/50R17 | -0.1% | -0.1% | |
+2″ 275/60R18 | -0.0% | -0.0% |
More tools
- How to read a tire size
- Plus sizing guide
- Speedometer error guide
- Section width guide
- Aspect ratio guide
- Rim diameter 16"
- Load index chart
- Speed rating chart
- Rim width and tyre fitment guide
- Wheel offset guide
- Wheel spacers guide
- Tyre pressure for heavy loads and towing
What changed
- Reviewed deterministic geometry, load/speed references, sitemap inclusion and localized page shell.