205/50R19 tire size

A 205/50R19 tire is 27.07 inches (687.6 mm) tall, 8.07 in (205 mm) wide and fits a 19-inch wheel. In inch notation it is roughly a 27.1x8.1R19.

205/50R19 dimensions
Overall diameter	27.07 in	687.6 mm
Section width	8.07 in	205 mm
Sidewall height	4.04 in	102.5 mm
Circumference	85.05 in	2,160 mm
Revolutions	745.0 per mile	462.9 per km
Rim diameter	19 in	482.6 mm

Compare 205/50R19 with another size

Current size

New size

Speed in mphkm/h

Overall diameter difference

−0.15%

60 mph on the speedometer = 59.9 mph actual

Within the ±3 % diameter range most tire fitters accept.

Ground clearance: −0.5 mm (−0.02 in)
Revolutions: 745 → 746 per mile

205/50R19 255/40R19

Side-by-side dimensions

	Current	New	Difference	%
Diameter	27.07 in	27.03 in	−0.04 in	−0.15%
Diameter	687.6 mm	686.6 mm	−1.0 mm	−0.15%
Width	8.07 in	10.04 in	+1.97 in	+24.39%
Width	205.0 mm	255.0 mm	+50.0 mm	+24.39%
Sidewall	4.04 in	4.02 in	−0.02 in	−0.49%
Sidewall	102.5 mm	102.0 mm	−0.5 mm	−0.49%
Circumference	85.05 in	84.92 in	−0.12 in	−0.15%
Revs per mile	745.0	746.1	+1.1	+0.15%

Speedometer error

Speedometer shows	Actual speed	Difference
20 mph	20.0 mph	0.0 mph
30 mph	30.0 mph	0.0 mph
40 mph	39.9 mph	−0.1 mph
50 mph	49.9 mph	−0.1 mph
60 mph	59.9 mph	−0.1 mph
70 mph	69.9 mph	−0.1 mph
80 mph	79.9 mph	−0.1 mph

Alternative sizes on the same 19-inch wheel

Sizes in use within ±3 % of the overall diameter of 205/50R19:

Plus and minus sizes for 205/50R19

Size	Wheel	Diameter	Difference
215/60R17	Minus 2 (17 in)	27.16 in	+0.32%
235/55R17	Minus 2 (17 in)	27.18 in	+0.39%
225/55R17	Minus 2 (17 in)	26.74 in	−1.21%
205/60R17	Minus 2 (17 in)	26.69 in	−1.43%
255/45R18	Minus 1 (18 in)	27.04 in	−0.13%
195/60R18	Minus 1 (18 in)	27.21 in	+0.52%
235/50R18	Minus 1 (18 in)	27.25 in	+0.67%
205/55R18	Minus 1 (18 in)	26.88 in	−0.71%
225/40R20	Plus 1 (20 in)	27.09 in	+0.06%
255/35R20	Plus 1 (20 in)	27.03 in	−0.16%
245/35R20	Plus 1 (20 in)	26.75 in	−1.18%
235/40R20	Plus 1 (20 in)	27.40 in	+1.22%
245/35R21	Plus 2 (21 in)	27.75 in	+2.52%

Vehicles approved with 205/50R19 tires

Models whose Swiss type approval lists 205/50R19 as a standard or optional size (35 approvals in total). Always check your own vehicle's placard or papers.

Fiat 500X

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 19-inch sizes

Reading the 205/50R19 size

205 — section width in millimetres (8.07 in).
50 — aspect ratio: the sidewall is 50 % of the width, 102.5 mm.
R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
19 — fits a 19-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.