215/55R16 tire size
215/55R16 is a metric size: 25.3" tall, 8.5" wide, on a 16" rim — about a 25.5x8.50R16. The sidewall is 4.7" and the tire turns 797 times per mile.
215/55R16 specs
| Overall diameter (height) | 25.31" · 643 mm |
|---|---|
| Section width | 8.46" · 215 mm |
| Sidewall height | 4.66" · 118 mm (55% of width) |
| Rim diameter | 16" |
| Circumference | 79.52" · 2.020 m |
| Revolutions per mile | 797 (495 per km) |
| Inch (flotation) equivalent | 25.5x8.50R16 |
Equivalent sizes on a 16" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 205/55R16 common | 24.88" | -1.71% | -10 mm | 59.0 mph | compare → |
| 215/60R16 common | 26.16" | +3.34% | 0 mm | 62.0 mph | compare → |
| 205/60R16 common | 25.69" | +1.48% | -10 mm | 60.9 mph | compare → |
| 205/65R16 common | 26.49" | +4.67% | -10 mm | 62.8 mph | compare → |
| 195/55R16 common | 24.44" | -3.42% | -20 mm | 57.9 mph | compare → |
| 225/50R16 common | 24.86" | -1.79% | +10 mm | 58.9 mph | compare → |
| 205/50R16 | 24.07" | -4.90% | -10 mm | 57.1 mph | compare → |
| 225/55R16 | 25.74" | +1.71% | +10 mm | 61.0 mph | compare → |
| 245/45R16 | 24.68" | -2.49% | +30 mm | 58.5 mph | compare → |
| 245/50R16 | 25.65" | +1.32% | +30 mm | 60.8 mph | compare → |
| 195/60R16 | 25.21" | -0.39% | -20 mm | 59.8 mph | calculate → |
| 185/60R16 | 24.74" | -2.26% | -30 mm | 58.6 mph | calculate → |
| 255/50R16 | 26.04" | +2.88% | +40 mm | 61.7 mph | calculate → |
| 145/90R16 | 26.28" | +3.81% | -70 mm | 62.3 mph | calculate → |
| 235/55R16 | 26.18" | +3.42% | +20 mm | 62.1 mph | calculate → |
| 275/45R16 | 25.74" | +1.71% | +60 mm | 61.0 mph | calculate → |
| 195/65R16 | 25.98" | +2.64% | -20 mm | 61.6 mph | calculate → |
| 175/60R16 | 24.27" | -4.12% | -40 mm | 57.5 mph | calculate → |
| 265/45R16 | 25.39" | +0.31% | +50 mm | 60.2 mph | calculate → |
| 145/80R16 | 25.13" | -0.70% | -70 mm | 59.6 mph | calculate → |
| 315/40R16 | 25.92" | +2.41% | +100 mm | 61.4 mph | calculate → |
| 26x11.50R16 | 26.00" | +2.72% | +77 mm | 61.6 mph | calculate → |
| 215/50R16 | 24.46" | -3.34% | 0 mm | 58.0 mph | calculate → |
Plus / minus sizing: 15" and 17" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 205/50R17 common | 25.07" | -0.95% | -10 mm | 59.4 mph | compare → |
| 215/50R17 common | 25.46" | +0.61% | 0 mm | 60.4 mph | compare → |
| 235/45R17 common | 25.33" | +0.06% | +20 mm | 60.0 mph | compare → |
| 205/65R15 common | 25.49" | +0.72% | -10 mm | 60.4 mph | compare → |
| 215/60R15 | 25.16" | -0.61% | 0 mm | 59.6 mph | compare → |
| 265/40R17 | 25.35" | +0.14% | +50 mm | 60.1 mph | calculate → |
| 155/70R17 | 25.54" | +0.92% | -60 mm | 60.6 mph | calculate → |
| 295/35R17 | 25.13" | -0.72% | +80 mm | 59.6 mph | calculate → |
| 185/70R15 | 25.20" | -0.45% | -30 mm | 59.7 mph | calculate → |
| 265/50R15 | 25.43" | +0.48% | +50 mm | 60.3 mph | calculate → |
| 165/80R15 | 25.39" | +0.33% | -50 mm | 60.2 mph | calculate → |
Try another size against 215/55R16
Questions
What size is 215/55R16 in inches?
215/55R16 is about 25.3" tall and 8.5" wide on a 16-inch rim — roughly a 25.5x8.50R16 in inch sizing.
What does 215/55R16 mean?
215 mm section width, sidewall 55% of the width (4.66"), radial construction, 16-inch rim.
What tire sizes are equivalent to 215/55R16?
On the same 16" rim, within 3% of the diameter: 265/45R16 (+0.31%), 195/60R16 (-0.39%), 145/80R16 (-0.70%), 245/50R16 (+1.32%), 205/60R16 (+1.48%), 205/55R16 (-1.71%).
How many revolutions per mile does a 215/55R16 tire make?
About 797 revolutions per mile (circumference 79.5").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.