215/80R15 Tire Size in Inches and Millimeters

215/80R15 tires have a diameter of 28.5" (725 mm), a tread width of 8.5" (215 mm), and a wheel diameter of 15" (381 mm).The sidewall of the tire is 6.8" (172 mm), and the tire's circumference is 89.5" (2276.5 mm). This means a 215/80R15 tire will make make 708 revolutions per mile, or 439 revolutions per kilometer.

215/80R15 Tire Front
8.5"
28.5"
215/80R15 Tire Side
Tire Circumference
89.5"
15"
6.8"
708 Revs/Mile
SpecInchesMetric
Diameter28.5"725 mm
Width8.5"215 mm
Wheel15"381 mm
Sidewall6.8"172 mm
Circum89.5"2276.5 mm
Revolutions708 per mile439 per km

What Does 215/80R15 Mean?

The tire size 215/80R15 is a common size used on many trucks, SUVs, and other larger vehicles.

Here is what each part of the size designation represents:

  • 215: This number represents the width of the tire in millimeters. In this case, the tire is 215 millimeters wide.
  • 80: This number represents the aspect ratio of the tire, which is the height of the tire's sidewall as a percentage of its width. In this case, the sidewall height is 80% of the tire's width.
  • R: This letter indicates the tire's construction type. “R” stands for radial construction, which is the most common type of tire construction today.
  • 15: This number represents the diameter of the wheel that the tire is designed to fit on, in inches. In this case, the tire is designed to fit on a 15-inch wheel.

215/80R15 tire size meaning

How To Convert 215/80R15 Into Inches

The 215/80R15 conversion is fairly simple. The first number in the tire size, 215, represents the width of the tire in millimeters. To convert this to inches, we divide 215 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 8.5 inches.

The second number in the tire size, 80, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 8.5 by 0.80, which gives us approximately 6.8 inches.

Finally, the last number in the tire size, 15, represents the diameter of the wheel rim in inches. Therefore, the tire size 215/80R15 can be expressed in inches as roughly 8.5 inches wide, 6.8 inches tall, and designed to fit a 15-inch wheel rim.

Frequently Asked Questions About 215/80R15 Tires

How tall is a 215/80R15 tire?

A 215/80R15 tire has an approximate height, also known as the overall diameter, of 28.5 inches (725 mm). This height can vary slightly depending on the brand and model of the tire, as well as the amount of air pressure in the tire.

How wide is a 215/80R15 tire?

A 215/80R15 tire has a width of approximately 8.5 inches (215 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “215”. It’s important to note that the actual width of the tire may vary slightly depending on the brand and model of the tire, and the width may also be affected by the amount of air pressure in the tire.

Alternate 215/80R15 Replacement Tire Sizes

Upsizing your wheels or tires? Replacement tires must be within 3% of the diametor of the original tire. The following sizes fall within that range - click on any size to see detailed info about that tire and wheel combination.

SizeDiameterWidthWheel
145/80R1928.1"715 mm19 mm
145/80R2029.1"740 mm20 mm
155/65R2028"710 mm20 mm
155/80R1827.8"705 mm18 mm
155/80R1928.8"731 mm19 mm
155/85R1828.4"721 mm18 mm
155/90R1728"712 mm17 mm
155/90R1829"737 mm18 mm
165/60R2027.8"706 mm20 mm
165/90R1728.7"730 mm17 mm
175/80R1829"737 mm18 mm
195/50R2027.7"704 mm20 mm
195/80R1628.3"718 mm16 mm
205/75R1628.1"714 mm16 mm
205/80R1628.9"734 mm16 mm
215/65R1728"712 mm17 mm
215/70R1627.9"708 mm16 mm
215/70R1728.9"734 mm17 mm
215/75R1628.7"728 mm16 mm
215/80R1528.5"725 mm15 mm
225/45R2028"710 mm20 mm
225/55R1827.8"705 mm18 mm
225/55R1928.8"731 mm19 mm
225/60R1828.6"727 mm18 mm
225/65R1728.5"724 mm17 mm
225/70R1628.4"722 mm16 mm
225/75R1528.3"719 mm15 mm
225/75R1629.3"744 mm16 mm
225/80R1529.2"741 mm15 mm
235/45R2028.3"720 mm20 mm
235/45R2129.3"745 mm21 mm
235/50R1928.3"719 mm19 mm
235/50R2029.3"744 mm20 mm
235/55R1828.1"715 mm18 mm
235/55R1929.2"741 mm19 mm
235/60R1728.1"714 mm17 mm
235/60R1829.1"739 mm18 mm
235/65R1628"712 mm16 mm
235/65R1729.1"738 mm17 mm
235/70R1528"711 mm15 mm
235/70R1629"736 mm16 mm
235/75R1528.9"733 mm15 mm
245/25R2428.8"732 mm24 mm
245/30R2227.8"707 mm22 mm
245/35R2127.8"705 mm21 mm
245/35R2228.8"731 mm22 mm
245/40R2027.7"704 mm20 mm
245/40R2128.7"729 mm21 mm
245/45R2028.7"728 mm20 mm
245/50R1928.7"729 mm19 mm
245/55R1828.6"727 mm18 mm
245/60R1728.6"726 mm17 mm
245/70R1528.5"725 mm15 mm
255/25R2429.1"738 mm24 mm
255/30R2228.1"713 mm22 mm
255/35R2128"711 mm21 mm
255/35R2229"737 mm22 mm
255/40R2028"712 mm20 mm
255/40R2129"737 mm21 mm
255/45R1928.1"713 mm19 mm
255/45R2029.1"738 mm20 mm
255/50R1828.1"713 mm18 mm
255/50R1929.1"739 mm19 mm
255/55R1728"712 mm17 mm
255/55R1829"737 mm18 mm
255/60R1628"712 mm16 mm
255/60R1729.1"738 mm17 mm
255/65R1528.1"713 mm15 mm
255/65R1629.1"738 mm16 mm
255/70R1529.1"739 mm15 mm
265/25R2328.2"716 mm23 mm
265/25R2429.2"742 mm24 mm
265/30R2228.3"719 mm22 mm
265/35R2128.3"719 mm21 mm
265/35R2229.3"745 mm22 mm
265/40R2028.3"720 mm20 mm
265/40R2129.3"745 mm21 mm
265/45R1928.4"721 mm19 mm
265/45R2029.4"746 mm20 mm
265/50R1828.5"723 mm18 mm
265/55R1728.5"724 mm17 mm
265/60R1628.5"724 mm16 mm
275/23R2429"736 mm24 mm
275/30R2228.5"725 mm22 mm
275/35R2128.5"725 mm21 mm
275/40R2028.7"728 mm20 mm
275/45R1827.8"705 mm18 mm
275/45R1928.8"731 mm19 mm
275/50R1727.9"708 mm17 mm
275/50R1828.9"733 mm18 mm
275/55R1627.9"708 mm16 mm
275/55R1728.9"734 mm17 mm
275/60R1528"711 mm15 mm
275/60R1629"736 mm16 mm
285/30R2127.8"705 mm21 mm
285/30R2228.8"731 mm22 mm
285/35R2027.9"708 mm20 mm
285/35R2128.9"733 mm21 mm
285/40R1928"711 mm19 mm
285/40R2029"736 mm20 mm
285/45R1828.1"713 mm18 mm
285/45R1929.1"739 mm19 mm
285/50R1829.3"743 mm18 mm
295/23R2429.4"746 mm24 mm
295/25R2227.8"707 mm22 mm
295/30R2128"711 mm21 mm
295/30R2229"737 mm22 mm
295/35R2028.1"714 mm20 mm
295/35R2129.1"739 mm21 mm
295/40R1928.3"719 mm19 mm
295/40R2029.3"744 mm20 mm
295/45R1828.5"723 mm18 mm
295/55R1527.8"705 mm15 mm
295/60R1528.9"735 mm15 mm
305/25R2228"711 mm22 mm
305/25R2329"736 mm23 mm
305/30R2128.2"717 mm21 mm
305/30R2229.3"743 mm22 mm
305/35R2028.4"722 mm20 mm
305/45R1727.8"706 mm17 mm
305/45R1828.8"731 mm18 mm
315/25R2228.2"717 mm22 mm
315/25R2329.2"742 mm23 mm
315/30R2128.5"723 mm21 mm
315/35R2028.7"728 mm20 mm
315/40R1827.9"709 mm18 mm
315/40R1928.9"735 mm19 mm
315/45R1728.2"716 mm17 mm
325/30R2027.7"704 mm20 mm
325/30R2128.7"729 mm21 mm
325/35R2029"736 mm20 mm
325/50R1527.8"707 mm15 mm
335/25R2228.6"727 mm22 mm
335/30R2028"710 mm20 mm
345/30R2028.2"716 mm20 mm
345/35R1928.5"725 mm19 mm
345/40R1727.9"708 mm17 mm
355/25R2128"711 mm21 mm