215/65 R17
What size is 215/65 R17?
215/65 R17 has an overall diameter of about 28.00 in, a section width of 8.46 in and a sidewall height of 5.50 in. It turns roughly 720 times per mile. Below are the exact figures plus in-tolerance plus/minus sizes you can switch to safely.
- Overall diameter: 28.00 in.
- Section width: 8.46 in.
- Sidewall height: 5.50 in.
- Revolutions: 448 /km · 720 /mi.
- In-tolerance sizes: 235/65 R16 (+0.1%).
Fitment verdict
235/65 R16 stays within the configured tolerance for 215/65 R17: +0.1% diameter and +0.1% speedometer effect.
| Metric | This size: 215/65 R17 | Alternative: 235/65 R16 | Difference | Verdict |
|---|---|---|---|---|
| Overall diameter | 28.00 in | 28.03 in | +0.1% | Within tolerance |
| Section width | 8.46 in | 9.25 in | +0.79 in | Computed difference |
| Sidewall height | 5.50 in | 6.01 in | +0.51 in | Computed difference |
| Circumference | 87.98 in | 88.05 in | +0.1% | Within tolerance |
| Speedo | 0.0% | +0.1% | +0.1% | 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 | 28.00 in |
|---|---|
| Section width | 8.46 in |
| Sidewall height | 5.50 in |
| Circumference | 87.98 in |
| Revolutions | 448 /km · 720 /mi |
In-tolerance sizes
Alternative sizes that stay within the safe diameter tolerance:
| Size | Diameter | Speedo | Verdict |
|---|---|---|---|
| 235/65 R16 | +0.1% | +0.1% | ✓ OK |
| 255/35 R21 | +0.1% | +0.1% | ✓ OK |
| 255/45 R19 | +0.1% | +0.1% | ✓ OK |
| 235/60 R17 | +0.4% | +0.4% | ✓ OK |
| 235/55 R18 | +0.6% | +0.6% | ✓ OK |
| 235/50 R19 | +0.9% | +0.9% | ✓ OK |
| 225/55 R18 | -0.9% | -0.9% | ✓ OK |
| 245/45 R19 | -1.2% | -1.2% | ✓ OK |
| 275/40 R19 | -1.2% | -1.2% | ✓ OK |
| 225/60 R17 | -1.3% | -1.3% | ✓ OK |
| 225/65 R16 | -1.7% | -1.7% | ✓ OK |
| 225/65 R17 | +1.8% | +1.8% | ✓ OK |
Compare sizes
- Within tolerance · Diameter +0.1%.
- Speedo @ 60: 60 mph → 60.1 mph.
- Sidewall +0.51 in · Width +0.79 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
- 28.00 in 28.03 in+0.02 in
- Sidewall
- 5.50 in 6.01 in+0.51 in
- Width
- 8.46 in 9.25 in+0.79 in
- Circumference
- 87.98 in 88.05 in+0.1%
- Revs / mile
- 720 720
- Speedo @ 60
- 60 mph 60.1 mph+0.1%
- Current —
215/65 R17 - New —
235/65 R16 - Grounded to the road: the axle rises +0.01 in.
Result report
215/65 R17 235/65 R16 · Within tolerance
Use this size when shopping: 235/65 R16
Geometric estimate. Always verify physical clearance (arches, suspension, brakes) before fitting.
Safe alternative sizes
| Size | Diameter | Speedo @ 100 | Use this |
|---|---|---|---|
−1″ 305/50R16 | +0.0% | +0.0% | |
OE 215/65R17 | +0.0% | +0.0% | |
+1″ 195/65R18 | -0.1% | -0.1% | |
+2″ 285/40R19 | -0.1% | -0.1% |
More tools
- How to read a tire size
- Plus sizing guide
- Speedometer error guide
- 215mm Section width guide
- /65 Aspect ratio guide
- Rim diameter 17"
- 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.