345/30R20 Tire Size in Inches and Millimeters
345/30R20 tires have a diameter of 28.2" (716 mm), a tread width of 13.6" (345 mm), and a wheel diameter of 20" (508 mm).The sidewall of the tire is 4.1" (104 mm), and the tire's circumference is 88.5" (2248.2 mm). This means a 345/30R20 tire will make make 716 revolutions per mile, or 445 revolutions per kilometer.
Spec | Inches | Metric |
---|---|---|
Diameter | 28.2" | 716 mm |
Width | 13.6" | 345 mm |
Wheel | 20" | 508 mm |
Sidewall | 4.1" | 104 mm |
Circum | 88.5" | 2248.2 mm |
Revolutions | 716 per mile | 445 per km |
What Does 345/30R20 Mean?
The tire size 345/30R20 is a common size used on many trucks, SUVs, and other larger vehicles.
Here is what each part of the size designation represents:
- 345: This number represents the width of the tire in millimeters. In this case, the tire is 345 millimeters wide.
- 30: 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 30% 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.
How To Convert 345/30R20 Into Inches
The 345/30R20 conversion is fairly simple. The first number in the tire size, 345, represents the width of the tire in millimeters. To convert this to inches, we divide 345 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 13.6 inches.
The second number in the tire size, 30, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 13.6 by 0.30, which gives us approximately 4.1 inches.
Finally, the last number in the tire size, 20, represents the diameter of the wheel rim in inches. Therefore, the tire size 345/30R20 can be expressed in inches as roughly 13.6 inches wide, 4.1 inches tall, and designed to fit a 20-inch wheel rim.
Frequently Asked Questions About 345/30R20 Tires
How tall is a 345/30R20 tire?
A 345/30R20 tire has an approximate height, also known as the overall diameter, of 28.2 inches (716 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 345/30R20 tire?
A 345/30R20 tire has a width of approximately 13.6 inches (345 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “345”. 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 345/30R20 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.
Size | Diameter | Width | Wheel |
---|---|---|---|
145/65R20 | 27.4" | 696 mm | 20 mm |
145/80R19 | 28.1" | 715 mm | 19 mm |
145/85R18 | 27.7" | 703 mm | 18 mm |
155/65R20 | 28" | 710 mm | 20 mm |
155/70R19 | 27.6" | 701 mm | 19 mm |
155/80R18 | 27.8" | 705 mm | 18 mm |
155/80R19 | 28.8" | 731 mm | 19 mm |
155/85R18 | 28.4" | 721 mm | 18 mm |
155/90R17 | 28" | 712 mm | 17 mm |
155/90R18 | 29" | 737 mm | 18 mm |
165/60R20 | 27.8" | 706 mm | 20 mm |
165/80R17 | 27.4" | 696 mm | 17 mm |
165/90R17 | 28.7" | 730 mm | 17 mm |
175/55R20 | 27.6" | 700 mm | 20 mm |
175/80R18 | 29" | 737 mm | 18 mm |
195/50R20 | 27.7" | 704 mm | 20 mm |
195/75R16 | 27.5" | 698 mm | 16 mm |
195/80R16 | 28.3" | 718 mm | 16 mm |
205/60R18 | 27.7" | 703 mm | 18 mm |
205/65R17 | 27.5" | 698 mm | 17 mm |
205/75R16 | 28.1" | 714 mm | 16 mm |
205/80R16 | 28.9" | 734 mm | 16 mm |
215/45R20 | 27.6" | 702 mm | 20 mm |
215/65R17 | 28" | 712 mm | 17 mm |
215/70R16 | 27.9" | 708 mm | 16 mm |
215/70R17 | 28.9" | 734 mm | 17 mm |
215/75R15 | 27.7" | 703 mm | 15 mm |
215/75R16 | 28.7" | 728 mm | 16 mm |
215/80R15 | 28.5" | 725 mm | 15 mm |
225/30R22 | 27.4" | 695 mm | 22 mm |
225/45R20 | 28" | 710 mm | 20 mm |
225/55R18 | 27.8" | 705 mm | 18 mm |
225/55R19 | 28.8" | 731 mm | 19 mm |
225/60R17 | 27.6" | 702 mm | 17 mm |
225/60R18 | 28.6" | 727 mm | 18 mm |
225/65R16 | 27.5" | 698 mm | 16 mm |
225/65R17 | 28.5" | 724 mm | 17 mm |
225/70R15 | 27.4" | 697 mm | 15 mm |
225/70R16 | 28.4" | 722 mm | 16 mm |
225/75R15 | 28.3" | 719 mm | 15 mm |
235/30R22 | 27.6" | 701 mm | 22 mm |
235/35R21 | 27.4" | 697 mm | 21 mm |
235/40R20 | 27.4" | 696 mm | 20 mm |
235/45R19 | 27.4" | 695 mm | 19 mm |
235/45R20 | 28.3" | 720 mm | 20 mm |
235/50R19 | 28.3" | 719 mm | 19 mm |
235/55R18 | 28.1" | 715 mm | 18 mm |
235/60R17 | 28.1" | 714 mm | 17 mm |
235/65R16 | 28" | 712 mm | 16 mm |
235/70R15 | 28" | 711 mm | 15 mm |
235/70R16 | 29" | 736 mm | 16 mm |
235/75R15 | 28.9" | 733 mm | 15 mm |
245/25R24 | 28.8" | 732 mm | 24 mm |
245/30R22 | 27.8" | 707 mm | 22 mm |
245/35R21 | 27.8" | 705 mm | 21 mm |
245/35R22 | 28.8" | 731 mm | 22 mm |
245/40R20 | 27.7" | 704 mm | 20 mm |
245/40R21 | 28.7" | 729 mm | 21 mm |
245/45R19 | 27.7" | 703 mm | 19 mm |
245/45R20 | 28.7" | 728 mm | 20 mm |
245/50R18 | 27.7" | 703 mm | 18 mm |
245/50R19 | 28.7" | 729 mm | 19 mm |
245/55R17 | 27.6" | 702 mm | 17 mm |
245/55R18 | 28.6" | 727 mm | 18 mm |
245/60R16 | 27.6" | 700 mm | 16 mm |
245/60R17 | 28.6" | 726 mm | 17 mm |
245/65R15 | 27.5" | 699 mm | 15 mm |
245/70R14 | 27.6" | 700 mm | 14 mm |
245/70R15 | 28.5" | 725 mm | 15 mm |
255/30R22 | 28.1" | 713 mm | 22 mm |
255/35R21 | 28" | 711 mm | 21 mm |
255/35R22 | 29" | 737 mm | 22 mm |
255/40R20 | 28" | 712 mm | 20 mm |
255/40R21 | 29" | 737 mm | 21 mm |
255/45R19 | 28.1" | 713 mm | 19 mm |
255/50R18 | 28.1" | 713 mm | 18 mm |
255/55R17 | 28" | 712 mm | 17 mm |
255/55R18 | 29" | 737 mm | 18 mm |
255/60R16 | 28" | 712 mm | 16 mm |
255/65R15 | 28.1" | 713 mm | 15 mm |
265/25R23 | 28.2" | 716 mm | 23 mm |
265/30R22 | 28.3" | 719 mm | 22 mm |
265/35R21 | 28.3" | 719 mm | 21 mm |
265/40R19 | 27.4" | 695 mm | 19 mm |
265/40R20 | 28.3" | 720 mm | 20 mm |
265/45R18 | 27.4" | 695 mm | 18 mm |
265/45R19 | 28.4" | 721 mm | 19 mm |
265/50R18 | 28.5" | 723 mm | 18 mm |
265/55R17 | 28.5" | 724 mm | 17 mm |
265/60R15 | 27.5" | 699 mm | 15 mm |
265/60R16 | 28.5" | 724 mm | 16 mm |
275/23R24 | 29" | 736 mm | 24 mm |
275/25R22 | 27.4" | 697 mm | 22 mm |
275/30R21 | 27.5" | 699 mm | 21 mm |
275/30R22 | 28.5" | 725 mm | 22 mm |
275/35R20 | 27.6" | 700 mm | 20 mm |
275/35R21 | 28.5" | 725 mm | 21 mm |
275/40R19 | 27.7" | 703 mm | 19 mm |
275/40R20 | 28.7" | 728 mm | 20 mm |
275/45R18 | 27.8" | 705 mm | 18 mm |
275/45R19 | 28.8" | 731 mm | 19 mm |
275/50R17 | 27.9" | 708 mm | 17 mm |
275/50R18 | 28.9" | 733 mm | 18 mm |
275/55R16 | 27.9" | 708 mm | 16 mm |
275/55R17 | 28.9" | 734 mm | 17 mm |
275/60R15 | 28" | 711 mm | 15 mm |
275/60R16 | 29" | 736 mm | 16 mm |
285/25R22 | 27.6" | 701 mm | 22 mm |
285/30R21 | 27.8" | 705 mm | 21 mm |
285/30R22 | 28.8" | 731 mm | 22 mm |
285/35R20 | 27.9" | 708 mm | 20 mm |
285/35R21 | 28.9" | 733 mm | 21 mm |
285/40R19 | 28" | 711 mm | 19 mm |
285/40R20 | 29" | 736 mm | 20 mm |
285/45R18 | 28.1" | 713 mm | 18 mm |
295/25R22 | 27.8" | 707 mm | 22 mm |
295/30R21 | 28" | 711 mm | 21 mm |
295/30R22 | 29" | 737 mm | 22 mm |
295/35R20 | 28.1" | 714 mm | 20 mm |
295/40R19 | 28.3" | 719 mm | 19 mm |
295/45R17 | 27.5" | 698 mm | 17 mm |
295/45R18 | 28.5" | 723 mm | 18 mm |
295/50R16 | 27.6" | 702 mm | 16 mm |
295/55R15 | 27.8" | 705 mm | 15 mm |
295/60R15 | 28.9" | 735 mm | 15 mm |
305/25R22 | 28" | 711 mm | 22 mm |
305/25R23 | 29" | 736 mm | 23 mm |
305/30R21 | 28.2" | 717 mm | 21 mm |
305/35R19 | 27.4" | 697 mm | 19 mm |
305/35R20 | 28.4" | 722 mm | 20 mm |
305/40R18 | 27.6" | 701 mm | 18 mm |
305/45R17 | 27.8" | 706 mm | 17 mm |
305/45R18 | 28.8" | 731 mm | 18 mm |
315/25R22 | 28.2" | 717 mm | 22 mm |
315/30R20 | 27.5" | 698 mm | 20 mm |
315/30R21 | 28.5" | 723 mm | 21 mm |
315/35R19 | 27.7" | 703 mm | 19 mm |
315/35R20 | 28.7" | 728 mm | 20 mm |
315/40R18 | 27.9" | 709 mm | 18 mm |
315/40R19 | 28.9" | 735 mm | 19 mm |
315/45R17 | 28.2" | 716 mm | 17 mm |
325/25R21 | 27.4" | 695 mm | 21 mm |
325/30R20 | 27.7" | 704 mm | 20 mm |
325/30R21 | 28.7" | 729 mm | 21 mm |
325/35R20 | 29" | 736 mm | 20 mm |
325/50R15 | 27.8" | 707 mm | 15 mm |
335/25R22 | 28.6" | 727 mm | 22 mm |
335/30R20 | 28" | 710 mm | 20 mm |
345/30R20 | 28.2" | 716 mm | 20 mm |
345/35R18 | 27.5" | 699 mm | 18 mm |
345/35R19 | 28.5" | 725 mm | 19 mm |
345/40R17 | 27.9" | 708 mm | 17 mm |
355/25R21 | 28" | 711 mm | 21 mm |
355/30R19 | 27.4" | 697 mm | 19 mm |