225/50R16 tire size
A 225/50R16 tire is 24.86 inches (631.4 mm) tall, 8.86 in (225 mm) wide and fits a 16-inch wheel. In inch notation it is roughly a 24.9x8.9R16.
| Overall diameter | 24.86 in | 631.4 mm |
|---|---|---|
| Section width | 8.86 in | 225 mm |
| Sidewall height | 4.43 in | 112.5 mm |
| Circumference | 78.09 in | 1,984 mm |
| Revolutions | 811.3 per mile | 504.1 per km |
| Rim diameter | 16 in | 406.4 mm |
Compare 225/50R16 with another size
Alternative sizes on the same 16-inch wheel
Sizes in use within ±3 % of the overall diameter of 225/50R16:
Plus and minus sizes for 225/50R16
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 195/70R14 | Minus 2 (14 in) | 24.75 in | −0.44% |
| 205/70R14 | Minus 2 (14 in) | 25.30 in | +1.77% |
| 225/55R15 | Minus 1 (15 in) | 24.74 in | −0.46% |
| 195/65R15 | Minus 1 (15 in) | 24.98 in | +0.49% |
| 205/60R15 | Minus 1 (15 in) | 24.69 in | −0.70% |
| 215/60R15 | Minus 1 (15 in) | 25.16 in | +1.20% |
| 225/45R17 | Plus 1 (17 in) | 24.97 in | +0.46% |
| 245/40R17 | Plus 1 (17 in) | 24.72 in | −0.57% |
| 255/40R17 | Plus 1 (17 in) | 25.03 in | +0.70% |
| 205/50R17 | Plus 1 (17 in) | 25.07 in | +0.86% |
| 215/40R18 | Plus 2 (18 in) | 24.77 in | −0.35% |
| 245/35R18 | Plus 2 (18 in) | 24.75 in | −0.43% |
| 255/35R18 | Plus 2 (18 in) | 25.03 in | +0.68% |
| 225/40R18 | Plus 2 (18 in) | 25.09 in | +0.92% |
| 245/30R19 | Plus 3 (19 in) | 24.79 in | −0.29% |
| 255/30R19 | Plus 3 (19 in) | 25.02 in | +0.67% |
| 225/35R19 | Plus 3 (19 in) | 25.20 in | +1.38% |
| 265/30R19 | Plus 3 (19 in) | 25.26 in | +1.62% |
Vehicles approved with 225/50R16 tires
Models whose Swiss type approval lists 225/50R16 as a standard or optional size (658 approvals in total). Always check your own vehicle's placard or papers.
- Mercedes-Benz C-Class
- Mercedes-Benz SLK
- Mercedes-Benz CLK
- BMW 3 Series
- Volvo C70
- BMW Z3
- Mercedes-Benz CLC
- BMW Z4
- Mercedes-Benz SLC
- Porsche Boxster
- Ford Scorpio
- Volvo S80
Source: Swiss Federal Roads Office (FEDRO/ASTRA), open government data. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.
Nearby 16-inch sizes
- 205/45R16 (−6.4%)
- 205/50R16 (−3.2%)
- 205/55R16 (+0.1%)
- 205/60R16 (+3.3%)
- 215/40R16 (−8.4%)
- 215/45R16 (−5.0%)
- 215/50R16 (−1.6%)
- 215/55R16 (+1.8%)
- 215/60R16 (+5.2%)
- 225/45R16 (−3.6%)
- 225/55R16 (+3.6%)
- 225/60R16 (+7.1%)
- 235/50R16 (+1.6%)
- 235/60R16 (+9.0%)
- 245/45R16 (−0.7%)
- 245/50R16 (+3.2%)
- 245/55R16 (+7.0%)
- 245/60R16 (+10.9%)
Reading the 225/50R16 size
- 225 — section width in millimetres (8.86 in).
- 50 — aspect ratio: the sidewall is 50 % of the width, 112.5 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 16 — fits a 16-inch diameter wheel.
The load index and speed rating (for example 91V) follow the size on the sidewall. They must meet at least the values on your vehicle's tire placard.