215/65R15 Tire Size in Inches

26.0" tall, 8.5" wide, 5.5" sidewall

Diameter26.0"661 mm
Overall diameter26.0"661 mm
Section width8.5"215 mm
Sidewall height5.5"140 mm
Circumference81.7"2075 mm
Revolutions per mile776482 per km
Wheel diameter15"≈ 26.0x8.5R15 in inches

A 215/65R15 tire is 26.0 inches (661 mm) tall and 8.5 inches wide. The sidewall is 65% of the width, 5.5 inches, on a 15-inch wheel, and the tire turns about 776 times per mile.

In flotation terms that is about 26.0x8.5R15. People often call it a 26-inch tire.

The size most often compared with it is 205/70R15, which is 0.3" taller (+1.1%). At an indicated 60 mph you would be doing 60.7 mph on it.

215/65R15
205/70R15
Diameter difference+1.14%diameter 26.00" → 26.30"
CurrentNew
CurrentNewDifference

Speedometer

ShowsActual speed

Gear ratio to match

–enter your current axle ratio

Sizes near 215/65R15

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

SizeDiameterWidthSidewallvs 215/65R15
235/60R1526.1"9.3"5.6"+0.4%
205/70R1526.3"8.1"5.6"+1.1%compare
225/60R1525.6"8.9"5.3"−1.4%
215/60R1525.2"8.5"5.1"−3.3%
215/70R1526.9"8.5"5.9"+3.3%
235/65R1527.0"9.3"6.0"+3.9%
225/70R1527.4"8.9"6.2"+5.4%
215/75R1527.7"8.5"6.3"+6.5%
235/70R1528.0"9.3"6.5"+7.5%
195/55R1523.4"7.7"4.2"−9.8%

Same height on a different wheel

Sizes within 2% of 26.0" on 17" or 16" wheels.

SizeDiameterWidthSidewallvs 215/65R15
285/40R1726.0"11.2"4.5"−0.1%
255/45R1726.0"10.0"4.5"+0.1%
295/40R1726.3"11.6"4.6"+1.1%
315/35R1725.7"12.4"4.3"−1.2%
275/40R1725.7"10.8"4.3"−1.3%
245/50R1625.6"9.6"4.8"−1.4%

Speedometer with a different size

Actual speed when the speedometer is calibrated for 215/65R15.

Speedometer showson 205/70R15on 235/60R15on 225/60R15
30 mph30.3 mph30.1 mph29.6 mph
45 mph45.5 mph45.2 mph44.4 mph
60 mph60.7 mph60.2 mph59.1 mph
70 mph70.8 mph70.3 mph69.0 mph

215/65R15 comparisons

215/65R15 FAQ

How tall is a 215/65R15 tire?

26.0 inches (661 mm). The sidewall is 5.5 inches.

How wide is a 215/65R15 tire?

8.5 inches (215 mm) section width, measured sidewall to sidewall.

What is 215/65R15 in flotation size?

About 26.0x8.5R15.

Can I use 205/70R15 instead of 215/65R15?

205/70R15 is +1.1% in diameter, within the common 3% guideline. It is 0.4" narrower.