205/60R15
Overall diameter 627 mm
205/60R15 — 627 mm tall, and what it swaps with
205/60R15 is 205 mm wide with a 60% sidewall on a 15-inch wheel. That sidewall is 123 mm, so the tyre stands 627 mm tall and turns 507.7 times per kilometre.
- Section width
- 205 mm
- Aspect ratio
- 60 %
- Wheel size
- 15 in (381 mm)
- Sidewall height
- 123 mm
- Overall diameter
- 627 mm (24.69 in)
- Circumference
- 1969.8 mm
- Turns per km
- 507.7
Sizes you can swap to
Only sizes whose overall diameter stays within 3% are listed. A different diameter covers a different distance per turn, and that gap becomes speedometer error.
195/70R14628.6 mm · +0.26% you go faster215/45R17625.3 mm · -0.27% you go slower215/40R18629.2 mm · +0.35% you go faster225/50R16631.4 mm · +0.7% you go faster205/55R16631.9 mm · +0.78% you go faster185/65R15621.5 mm · -0.88% you go slower195/55R16620.9 mm · -0.97% you go slower225/45R17634.3 mm · +1.16% you go faster195/65R15634.5 mm · +1.2% you go faster255/35R18635.7 mm · +1.39% you go faster205/50R17636.8 mm · +1.56% you go faster225/40R18637.2 mm · +1.63% you go faster
Same profile, different width
Other sizes for this wheel
How the code reads
The 205 is millimetres, the 55 is a percentage of that width, and only the 16 is inches. The R stands for radial construction.
How to read this
- The first three digits are the width in mm, the middle two are the aspect ratio in percent, the last two the wheel in inches.
- Sidewall height = width × aspect ÷ 100. For 205/55 that is 112.75 mm.
- Overall diameter = wheel diameter + twice the sidewall. A 16-inch wheel is 406.4 mm.
- Once the diameter shifts by more than 3%, the speedometer and odometer drift by the same amount.
Frequently asked questions
Q. What is the overall diameter of 205/60R15?
627 mm — the 381 mm wheel plus the 123 mm sidewall at top and bottom.
Q. How many turns per kilometre does 205/60R15 make?
Its circumference is 1969.8 mm, so 507.7 turns.
Q. What can I swap it for?
12 sizes stay within 3% of its diameter — the closest is 195/70R14 at 628.6 mm.
Q. Why is the sidewall 123 mm?
Because it is 60% of the 205 mm width. The aspect ratio is a proportion of the width, not a length.