275/55 R19
What size is 275/55 R19?
275/55 R19 has an overall diameter of about 30.91 in, a section width of 10.83 in and a sidewall height of 5.95 in. It turns roughly 652 times per mile. Below are the exact figures plus in-tolerance plus/minus sizes you can switch to safely.
- Overall diameter: 30.91 in.
- Section width: 10.83 in.
- Sidewall height: 5.95 in.
- Revolutions: 405 /km · 652 /mi.
- In-tolerance sizes: 285/40 R22 (+0.2%).
Fitment verdict
285/40 R22 stays within the configured tolerance for 275/55 R19: +0.2% diameter and +0.2% speedometer effect.
| Metric | This size: 275/55 R19 | Alternative: 285/40 R22 | Difference | Verdict |
|---|---|---|---|---|
| Overall diameter | 30.91 in | 30.98 in | +0.2% | Within tolerance |
| Section width | 10.83 in | 11.22 in | +0.39 in | Computed difference |
| Sidewall height | 5.95 in | 4.49 in | -1.47 in | Computed difference |
| Circumference | 97.10 in | 97.32 in | +0.2% | Within tolerance |
| Speedo | 0.0% | +0.2% | +0.2% | 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 | 30.91 in |
|---|---|
| Section width | 10.83 in |
| Sidewall height | 5.95 in |
| Circumference | 97.10 in |
| Revolutions | 405 /km · 652 /mi |
In-tolerance sizes
Alternative sizes that stay within the safe diameter tolerance:
| Size | Diameter | Speedo | Verdict |
|---|---|---|---|
| 285/40 R22 | +0.2% | +0.2% | ✓ OK |
| 31x10.50 R15 | +0.3% | +0.3% | ✓ OK |
| 31x10.50 R16 | +0.3% | +0.3% | ✓ OK |
| 275/45 R21 | -0.5% | -0.5% | ✓ OK |
| 265/70 R16 | -1.0% | -1.0% | ✓ OK |
| 285/50 R20 | +1.0% | +1.0% | ✓ OK |
| 265/65 R17 | -1.1% | -1.1% | ✓ OK |
| 245/65 R18 | -1.2% | -1.2% | ✓ OK |
| 265/60 R18 | -1.3% | -1.3% | ✓ OK |
| 245/70 R17 | -1.3% | -1.3% | ✓ OK |
| 265/50 R20 | -1.5% | -1.5% | ✓ OK |
| 265/45 R21 | -1.7% | -1.7% | ✓ OK |
Compare sizes
- Within tolerance · Diameter +0.2%.
- Speedo @ 60: 60 mph → 60.1 mph.
- Sidewall -1.47 in · Width +0.39 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
- 30.91 in 30.98 in+0.07 in
- Sidewall
- 5.95 in 4.49 in-1.47 in
- Width
- 10.83 in 11.22 in+0.39 in
- Circumference
- 97.10 in 97.32 in+0.2%
- Revs / mile
- 652 651
- Speedo @ 60
- 60 mph 60.1 mph+0.2%
- Current —
275/55 R19 - New —
285/40 R22 - Grounded to the road: the axle rises +0.03 in.
Result report
275/55 R19 285/40 R22 · Within tolerance
Use this size when shopping: 285/40 R22
Geometric estimate. Always verify physical clearance (arches, suspension, brakes) before fitting.
Safe alternative sizes
| Size | Diameter | Speedo @ 100 | Use this |
|---|---|---|---|
−1″ 205/80R18 | +0.0% | +0.0% | |
OE 275/55R19 | +0.0% | +0.0% | |
+1″ 185/75R20 | +0.1% | +0.1% | |
+2″ 315/40R21 | +0.0% | +0.0% |
More tools
- How to read a tire size
- Plus sizing guide
- Speedometer error guide
- 275mm Section width guide
- /55 Aspect ratio guide
- Rim diameter 19"
- 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.