195/40R16 tire size
195/40R16 is a metric size: 22.1" tall, 7.7" wide, on a 16" rim — about a 22x7.50R16. The sidewall is 3.1" and the tire turns 911 times per mile.
195/40R16 specs
| Overall diameter (height) | 22.14" · 562 mm |
|---|---|
| Section width | 7.68" · 195 mm |
| Sidewall height | 3.07" · 78 mm (40% of width) |
| Rim diameter | 16" |
| Circumference | 69.56" · 1.767 m |
| Revolutions per mile | 911 (566 per km) |
| Inch (flotation) equivalent | 22x7.50R16 |
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 | |
|---|---|---|---|---|---|
| 195/45R16 | 22.91" | +3.47% | 0 mm | 62.1 mph | calculate → |
| 205/40R16 | 22.46" | +1.42% | +10 mm | 60.9 mph | calculate → |
| 215/35R16 | 21.93" | -0.98% | +20 mm | 59.4 mph | calculate → |
| 215/40R16 | 22.77" | +2.84% | +20 mm | 61.7 mph | calculate → |
| 175/50R16 | 22.89" | +3.38% | -20 mm | 62.0 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 | |
|---|---|---|---|---|---|
| 155/60R15 | 22.32" | +0.82% | -40 mm | 60.5 mph | calculate → |
| 22x8.00R15 | 22.00" | -0.64% | +8 mm | 59.6 mph | calculate → |
Try another size against 195/40R16
Questions
What size is 195/40R16 in inches?
195/40R16 is about 22.1" tall and 7.7" wide on a 16-inch rim — roughly a 22x7.50R16 in inch sizing.
What does 195/40R16 mean?
195 mm section width, sidewall 40% of the width (3.07"), radial construction, 16-inch rim.
What tire sizes are equivalent to 195/40R16?
On the same 16" rim, within 3% of the diameter: 215/35R16 (-0.98%), 205/40R16 (+1.42%), 215/40R16 (+2.84%), 175/50R16 (+3.38%), 195/45R16 (+3.47%).
How many revolutions per mile does a 195/40R16 tire make?
About 911 revolutions per mile (circumference 69.6").
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.