225/60R15 Tire Size in Inches

25.6" tall, 8.9" wide, 5.3" sidewall

Diameter25.6"651 mm
Overall diameter25.6"651 mm
Section width8.9"225 mm
Sidewall height5.3"135 mm
Circumference80.5"2045 mm
Revolutions per mile787489 per km
Wheel diameter15"≈ 25.6x8.9R15 in inches

A 225/60R15 tire is 25.6 inches (651 mm) tall and 8.9 inches wide. The sidewall is 60% of the width, 5.3 inches, on a 15-inch wheel, and the tire turns about 787 times per mile.

In flotation terms that is about 25.6x8.9R15. People often call it a 26-inch tire.

The size most often compared with it is 245/55R15, which is 0.0" shorter (−0.1%). At an indicated 60 mph you would be doing 60.0 mph on it.

225/60R15
245/55R15
Diameter difference−0.08%diameter 25.63" → 25.61"
CurrentNew
CurrentNewDifference

Speedometer

ShowsActual speed

Gear ratio to match

–enter your current axle ratio

Sizes near 225/60R15

Same 15" wheel, within 20 mm of width and 10 points of aspect ratio.

SizeDiameterWidthSidewallvs 225/60R15
245/55R1525.6"9.6"5.3"−0.1%
215/65R1526.0"8.5"5.5"+1.5%
235/60R1526.1"9.3"5.6"+1.8%
215/60R1525.2"8.5"5.1"−1.8%
205/70R1526.3"8.1"5.6"+2.6%
245/60R1526.6"9.6"5.8"+3.7%
215/70R1526.9"8.5"5.9"+4.8%
235/65R1527.0"9.3"6.0"+5.5%
225/70R1527.4"8.9"6.2"+6.9%
235/70R1528.0"9.3"6.5"+9.1%

Same height on a different wheel

Sizes within 2% of 25.6" on 16" or 17" or 14" wheels.

SizeDiameterWidthSidewallvs 225/60R15
245/50R1625.6"9.6"4.8"+0.1%
275/40R1725.7"10.8"4.3"+0.1%
315/35R1725.7"12.4"4.3"+0.2%
195/75R1425.5"7.7"5.8"−0.4%
285/40R1726.0"11.2"4.5"+1.4%
255/45R1726.0"10.0"4.5"+1.6%

Speedometer with a different size

Actual speed when the speedometer is calibrated for 225/60R15.

Speedometer showson 245/55R15on 215/65R15on 235/60R15
30 mph30.0 mph30.4 mph30.6 mph
45 mph45.0 mph45.7 mph45.8 mph
60 mph60.0 mph60.9 mph61.1 mph
70 mph69.9 mph71.0 mph71.3 mph

225/60R15 FAQ

How tall is a 225/60R15 tire?

25.6 inches (651 mm). The sidewall is 5.3 inches.

How wide is a 225/60R15 tire?

8.9 inches (225 mm) section width, measured sidewall to sidewall.

What is 225/60R15 in flotation size?

About 25.6x8.9R15.

Can I use 245/55R15 instead of 225/60R15?

245/55R15 is −0.1% in diameter, within the common 3% guideline. It is 0.8" wider.