TireSizeCheck

205/55R16

Most common 16″ size

A 205/55R16 tire is 24.88 inches tall and 8.1 inches wide, with a 4.44-inch sidewall, mounted on a 16-inch wheel.

Common fitments: Civic, Corolla, Golf, Focus

Overall diameter

24.88″

632 mm

Sidewall height

4.44″

112.8 mm

Tread width

205 mm

8.1″

Circumference

78.16″

6.5 ft

Revs per mile

811

504 per km

Wheel diameter

16″

aspect ratio 55%

Cross-section

Overall diameter
24.88″
Sidewall (each side)
4.44″
Wheel
16″

205/55R16 in inches and millimeters

Every dimension of a 205/55R16, converted both ways. Calculated from the size code, accurate to about 1%.

Measurement Inches Millimeters
Overall diameter (height) 24.88″ 632 mm
Tread width 8.1″ 205 mm
Sidewall height 4.44″ 112.8 mm
Wheel diameter 16″ 406 mm
Circumference 78.16″ 1985 mm

Nominal dimensions from the size code. A real tire varies by a few millimeters between manufacturers, and a loaded tire sits slightly shorter than its free diameter.

205/55R16 compared with other sizes

All 45 practical swaps involving 205/55R16 — diameter change, speedometer impact and a fit verdict for each.

205/55R16 → 175/65R15

175/65R15

Diameter +3.8% · Borderline. Check clearance first

205/55R16 → 185/60R15

185/60R15

Diameter +4.8% · Borderline. Check clearance first

205/55R16 → 185/65R15

185/65R15

Diameter +1.7% · This fits

205/55R16 → 195/60R15

195/60R15

Diameter +2.7% · This fits

205/55R16 → 195/65R15

195/65R15

Diameter −0.4% · This fits

205/55R16 → 205/65R15

205/65R15

Diameter −2.4% · This fits

205/55R16 → 185/55R16

185/55R16

Diameter +3.6% · Borderline. Check clearance first

205/55R16 → 195/50R16

195/50R16

Diameter +5.1% · Too big a jump

205/55R16 → 195/55R16

195/55R16

Diameter +1.8% · This fits

195/55R16 → 205/55R16

195/55R16

Diameter −1.7% · This fits

215/55R16 → 205/55R16

215/55R16

Diameter +1.7% · This fits

205/60R16 → 205/55R16

205/60R16

Diameter +3.2% · Borderline. Check clearance first

185/55R16 → 205/55R16

185/55R16

Diameter −3.5% · Borderline. Check clearance first

205/50R17 → 205/55R16

205/50R17

Diameter +0.8% · This fits

195/50R16 → 205/55R16

195/50R16

Diameter −4.8% · Borderline. Check clearance first

215/60R16 → 205/55R16

215/60R16

Diameter +5.1% · Too big a jump

225/45R17 → 205/55R16

225/45R17

Diameter +0.4% · This fits

195/65R15 → 205/55R16

195/65R15

Diameter +0.4% · This fits

225/40R18 → 205/55R16

225/40R18

Diameter +0.8% · This fits

215/45R17 → 205/55R16

215/45R17

Diameter −1.0% · This fits

205/65R15 → 205/55R16

205/65R15

Diameter +2.5% · This fits

185/65R15 → 205/55R16

185/65R15

Diameter −1.6% · This fits

235/45R17 → 205/55R16

235/45R17

Diameter +1.8% · This fits

205/55R16 → 205/60R16

205/60R16

Diameter −3.1% · Borderline. Check clearance first

205/55R16 → 215/55R16

215/55R16

Diameter −1.7% · This fits

205/55R16 → 215/60R16

215/60R16

Diameter −4.9% · Borderline. Check clearance first

205/55R16 → 205/50R17

205/50R17

Diameter −0.8% · This fits

205/55R16 → 215/45R17

215/45R17

Diameter +1.1% · This fits

205/55R16 → 225/45R17

225/45R17

Diameter −0.4% · This fits

205/55R16 → 225/40R18

225/40R18

Diameter −0.8% · This fits

215/65R16 → 205/55R16

215/65R16

Diameter +8.5% · Too big a jump

225/60R16 → 205/55R16

225/60R16

Diameter +7.0% · Too big a jump

235/60R16 → 205/55R16

235/60R16

Diameter +8.9% · Too big a jump

245/75R16 → 205/55R16

245/75R16

Diameter +22.5% · Too big a jump

265/70R16 → 205/55R16

265/70R16

Diameter +23.0% · Too big a jump

205/65R16 → 205/55R16

205/65R16

Diameter +6.5% · Too big a jump

215/70R16 → 205/55R16

215/70R16

Diameter +11.9% · Too big a jump

225/65R16 → 205/55R16

225/65R16

Diameter +10.6% · Too big a jump

225/70R16 → 205/55R16

225/70R16

Diameter +14.2% · Too big a jump

225/75R16 → 205/55R16

225/75R16

Diameter +17.7% · Too big a jump

235/70R16 → 205/55R16

235/70R16

Diameter +16.4% · Too big a jump

245/70R16 → 205/55R16

245/70R16

Diameter +18.6% · Too big a jump

255/70R16 → 205/55R16

255/70R16

Diameter +20.8% · Too big a jump

265/75R16 → 205/55R16

265/75R16

Diameter +27.2% · Too big a jump

285/75R16 → 205/55R16

285/75R16

Diameter +32.0% · Too big a jump

Common questions

What is 205/55R16 in inches?
A 205/55R16 tire is 24.88 inches tall and 8.1 inches wide, with a 4.44-inch sidewall, mounted on a 16-inch wheel. In metric that is 632 mm tall and 205 mm wide. The circumference is 78.16 inches.
How tall is a 205/55R16 tire?
24.88 inches, or 632 mm. That is the overall diameter, wheel included. It turns about 811 times per mile, which is what your speedometer counts.
What do the numbers in 205/55R16 mean?
205 is the tread width in millimeters, 55 is the aspect ratio — the sidewall height as a percentage of the tread width — and 16 is the wheel diameter in inches. So the sidewall is 205 × 55% = 112.8 mm tall.