265/50 R19
What size is 265/50 R19?
265/50 R19 has an overall diameter of about 29.43 in, a section width of 10.43 in and a sidewall height of 5.22 in. It turns roughly 685 times per mile. Below are the exact figures plus in-tolerance plus/minus sizes you can switch to safely.
- Overall diameter: 29.43 in.
- Section width: 10.43 in.
- Sidewall height: 5.22 in.
- Revolutions: 426 /km · 685 /mi.
- In-tolerance sizes: 265/45 R20 (-0.1%).
Fitment verdict
265/45 R20 stays within the configured tolerance for 265/50 R19: -0.1% diameter and -0.1% speedometer effect.
| Metric | This size: 265/50 R19 | Alternative: 265/45 R20 | Difference | Verdict |
|---|---|---|---|---|
| Overall diameter | 29.43 in | 29.39 in | -0.1% | Within tolerance |
| Section width | 10.43 in | 10.43 in | 0.00 in | Computed difference |
| Sidewall height | 5.22 in | 4.69 in | -0.52 in | Computed difference |
| Circumference | 92.47 in | 92.33 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 | 29.43 in |
|---|---|
| Section width | 10.43 in |
| Sidewall height | 5.22 in |
| Circumference | 92.47 in |
| Revolutions | 426 /km · 685 /mi |
In-tolerance sizes
Alternative sizes that stay within the safe diameter tolerance:
| Size | Diameter | Speedo | Verdict |
|---|---|---|---|
| 265/45 R20 | -0.1% | -0.1% | ✓ OK |
| 245/70 R16 | +0.2% | +0.2% | ✓ OK |
| 245/65 R17 | +0.4% | +0.4% | ✓ OK |
| 295/40 R20 | -0.5% | -0.5% | ✓ OK |
| 245/60 R18 | +0.5% | +0.5% | ✓ OK |
| 305/40 R20 | +0.6% | +0.6% | ✓ OK |
| 235/55 R19 | -0.9% | -0.9% | ✓ OK |
| 295/35 R21 | -1.0% | -1.0% | ✓ OK |
| 275/45 R20 | +1.1% | +1.1% | ✓ OK |
| 235/60 R18 | -1.1% | -1.1% | ✓ OK |
| 285/45 R19 | -1.1% | -1.1% | ✓ OK |
| 255/55 R18 | -1.3% | -1.3% | ✓ OK |
Compare sizes
- Within tolerance · Diameter -0.1%.
- Speedo @ 60: 60 mph → 59.9 mph.
- Sidewall -0.52 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
- 29.43 in 29.39 in-0.04 in
- Sidewall
- 5.22 in 4.69 in-0.52 in
- Width
- 10.43 in 10.43 in+0.00 in
- Circumference
- 92.47 in 92.33 in-0.1%
- Revs / mile
- 685 686
- Speedo @ 60
- 60 mph 59.9 mph-0.1%
- Current —
265/50 R19 - New —
265/45 R20 - Grounded to the road: the axle rises -0.02 in.
Result report
265/50 R19 265/45 R20 · Within tolerance
Use this size when shopping: 265/45 R20
Geometric estimate. Always verify physical clearance (arches, suspension, brakes) before fitting.
Safe alternative sizes
| Size | Diameter | Speedo @ 100 | Use this |
|---|---|---|---|
−1″ 265/55R18 | +0.1% | +0.1% | |
OE 265/50R19 | +0.0% | +0.0% | |
+1″ 185/65R20 | +0.1% | +0.1% | |
+2″ 165/65R21 | +0.0% | +0.0% |
More tools
- How to read a tire size
- Plus sizing guide
- Speedometer error guide
- 265mm Section width guide
- /50 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.