295/45R20 Tire Size in Inches and Millimeters

295/45R20 tires have a diameter of 30.5" (774 mm), a tread width of 11.6" (295 mm), and a wheel diameter of 20" (508 mm).The sidewall of the tire is 5.2" (133 mm), and the tire's circumference is 95.8" (2430.4 mm). This means a 295/45R20 tire will make make 661 revolutions per mile, or 411 revolutions per kilometer.

295/45R20 Tire Front
295/45R20 Tire Side
Tire Circumference
661 Revs/Mile
Diameter30.5"774 mm
Width11.6"295 mm
Wheel20"508 mm
Sidewall5.2"133 mm
Circum95.8"2430.4 mm
Revolutions661 per mile411 per km

What Does 295/45R20 Mean?

The tire size 295/45R20 is a common size used on many trucks, SUVs, and other larger vehicles.

Here is what each part of the size designation represents:

  • 295: This number represents the width of the tire in millimeters. In this case, the tire is 295 millimeters wide.
  • 45: 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 45% 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.
  • 20: 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 20-inch wheel.

295/45R20 tire size meaning

How To Convert 295/45R20 Into Inches

The 295/45R20 conversion is fairly simple. The first number in the tire size, 295, represents the width of the tire in millimeters. To convert this to inches, we divide 295 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 11.6 inches.

The second number in the tire size, 45, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 11.6 by 0.45, which gives us approximately 5.2 inches.

Finally, the last number in the tire size, 20, represents the diameter of the wheel rim in inches. Therefore, the tire size 295/45R20 can be expressed in inches as roughly 11.6 inches wide, 5.2 inches tall, and designed to fit a 20-inch wheel rim.

Frequently Asked Questions About 295/45R20 Tires

How tall is a 295/45R20 tire?

A 295/45R20 tire has an approximate height, also known as the overall diameter, of 30.5 inches (774 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 295/45R20 tire?

A 295/45R20 tire has a width of approximately 11.6 inches (295 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “295”. 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 295/45R20 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.

165/90R1829.7"755 mm18 mm
165/90R1930.7"781 mm19 mm
175/80R1930"763 mm19 mm
175/90R1830.4"773 mm18 mm
205/90R1529.6"751 mm15 mm
215/85R1630.4"772 mm16 mm
225/75R1730.3"770 mm17 mm
225/75R1831.3"795 mm18 mm
225/85R1631"788 mm16 mm
235/55R2030.2"766 mm20 mm
235/60R1930.1"765 mm19 mm
235/65R1830"763 mm18 mm
235/65R1931.1"789 mm19 mm
235/70R1730"762 mm17 mm
235/70R1831"787 mm18 mm
235/75R1629.8"758 mm16 mm
235/75R1730.9"784 mm17 mm
235/80R1529.8"757 mm15 mm
235/80R1630.8"782 mm16 mm
245/30R2429.8"758 mm24 mm
245/45R2129.6"753 mm21 mm
245/50R2029.7"754 mm20 mm
245/55R1929.6"753 mm19 mm
245/60R1829.6"751 mm18 mm
245/65R1830.5"775 mm18 mm
245/70R1730.6"776 mm17 mm
245/75R1630.5"774 mm16 mm
247/70R1629.6"752 mm16 mm
255/30R2430.1"764 mm24 mm
255/40R2230"763 mm22 mm
255/45R2130"763 mm21 mm
255/45R2231.1"789 mm22 mm
255/50R2030.1"764 mm20 mm
255/50R2131.1"789 mm21 mm
255/55R1930"763 mm19 mm
255/55R2031"788 mm20 mm
255/60R1830"763 mm18 mm
255/60R1931.1"789 mm19 mm
255/65R1730.1"764 mm17 mm
255/65R1831.1"789 mm18 mm
255/70R1630.1"764 mm16 mm
255/70R1731.1"790 mm17 mm
255/75R1530"763 mm15 mm
265/40R2230.4"771 mm22 mm
265/45R2130.4"771 mm21 mm
265/45R2231.4"797 mm22 mm
265/50R2030.5"774 mm20 mm
265/55R1930.5"775 mm19 mm
265/60R1830.5"775 mm18 mm
265/65R1730.6"776 mm17 mm
265/70R1529.6"753 mm15 mm
265/70R1630.6"778 mm16 mm
265/75R1530.7"779 mm15 mm
275/30R2430.6"776 mm24 mm
275/35R2229.6"751 mm22 mm
275/40R2129.6"753 mm21 mm
275/40R2230.7"779 mm22 mm
275/45R2029.8"756 mm20 mm
275/45R2130.7"781 mm21 mm
275/50R1929.9"759 mm19 mm
275/50R2030.9"784 mm20 mm
275/55R1829.9"759 mm18 mm
275/55R1930.9"785 mm19 mm
275/60R1730"762 mm17 mm
275/60R1831"787 mm18 mm
275/65R1630.1"764 mm16 mm
275/65R1731.1"790 mm17 mm
275/70R1530.2"767 mm15 mm
275/70R1631.2"792 mm16 mm
285/30R2430.8"782 mm24 mm
285/35R2229.9"759 mm22 mm
285/35R2330.9"784 mm23 mm
285/40R2130"761 mm21 mm
285/40R2231"787 mm22 mm
285/45R2030.1"764 mm20 mm
285/45R2131.1"789 mm21 mm
285/50R2031.3"794 mm20 mm
285/55R1830.4"771 mm18 mm
285/55R1931.4"797 mm19 mm
285/60R1730.5"774 mm17 mm
285/65R1630.6"776 mm16 mm
285/70R1530.7"781 mm15 mm
295/30R2330"762 mm23 mm
295/30R2431"788 mm24 mm
295/35R2230.1"765 mm22 mm
295/35R2331.1"790 mm23 mm
295/40R2130.3"769 mm21 mm
295/40R2231.3"795 mm22 mm
295/45R2030.5"774 mm20 mm
295/65R1530.1"765 mm15 mm
295/65R1631.1"790 mm16 mm
305/35R2230.4"773 mm22 mm
305/40R2029.6"752 mm20 mm
305/45R2030.8"782 mm20 mm
315/35R2129.6"753 mm21 mm
315/35R2230.7"779 mm22 mm
315/40R2130.9"785 mm21 mm
315/55R1629.6"752 mm16 mm
315/60R1529.9"759 mm15 mm
325/30R2330.7"780 mm23 mm
325/35R2231"787 mm22 mm
325/40R2131.2"793 mm21 mm
325/60R1530.4"771 mm15 mm
345/55R1530"761 mm15 mm
345/55R1630.9"786 mm16 mm
355/25R2431"788 mm24 mm