315/30R24 Tire Size in Inches and Millimeters
315/30R24 tires have a diameter of 31.5" (800 mm), a tread width of 12.4" (315 mm), and a wheel diameter of 24" (609.6 mm).The sidewall of the tire is 3.7" (95 mm), and the tire's circumference is 98.9" (2512 mm). This means a 315/30R24 tire will make make 641 revolutions per mile, or 398 revolutions per kilometer.
| Spec | Inches | Metric |
|---|---|---|
| Diameter | 31.5" | 800 mm |
| Width | 12.4" | 315 mm |
| Wheel | 24" | 609.6 mm |
| Sidewall | 3.7" | 95 mm |
| Circum | 98.9" | 2512 mm |
| Revolutions | 641 per mile | 398 per km |
What Does 315/30R24 Mean?
The tire size 315/30R24 is a common size used on many trucks, SUVs, and other larger vehicles.
Here is what each part of the size designation represents:
- 315: This number represents the width of the tire in millimeters. In this case, the tire is 315 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.
- 24: 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 24-inch wheel.
How To Convert 315/30R24 Into Inches
The 315/30R24 conversion is fairly simple. The first number in the tire size, 315, represents the width of the tire in millimeters. To convert this to inches, we divide 315 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 12.4 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 12.4 by 0.30, which gives us approximately 3.7 inches.
Finally, the last number in the tire size, 24, represents the diameter of the wheel rim in inches. Therefore, the tire size 315/30R24 can be expressed in inches as roughly 12.4 inches wide, 3.7 inches tall, and designed to fit a 24-inch wheel rim.
Frequently Asked Questions About 315/30R24 Tires
How tall is a 315/30R24 tire?
A 315/30R24 tire has an approximate height, also known as the overall diameter, of 31.5 inches (800 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 315/30R24 tire?
A 315/30R24 tire has a width of approximately 12.4 inches (315 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “315”. 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 315/30R24 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 |
|---|---|---|---|
| 165/90R19 | 30.7" | 781 mm | 19 mm |
| 225/75R18 | 31.3" | 795 mm | 18 mm |
| 225/85R16 | 31" | 788 mm | 16 mm |
| 225/90R16 | 32" | 812 mm | 16 mm |
| 235/65R19 | 31.1" | 789 mm | 19 mm |
| 235/70R18 | 31" | 787 mm | 18 mm |
| 235/75R17 | 30.9" | 784 mm | 17 mm |
| 235/75R18 | 31.9" | 809 mm | 18 mm |
| 235/80R16 | 30.8" | 782 mm | 16 mm |
| 235/80R17 | 31.8" | 808 mm | 17 mm |
| 235/85R16 | 31.7" | 806 mm | 16 mm |
| 245/60R20 | 31.6" | 802 mm | 20 mm |
| 245/70R17 | 30.6" | 776 mm | 17 mm |
| 245/70R18 | 31.5" | 801 mm | 18 mm |
| 245/75R17 | 31.5" | 800 mm | 17 mm |
| 255/30R26 | 32" | 814 mm | 26 mm |
| 255/45R22 | 31.1" | 789 mm | 22 mm |
| 255/50R21 | 31.1" | 789 mm | 21 mm |
| 255/55R20 | 31" | 788 mm | 20 mm |
| 255/60R19 | 31.1" | 789 mm | 19 mm |
| 255/60R20 | 32" | 814 mm | 20 mm |
| 255/65R18 | 31.1" | 789 mm | 18 mm |
| 255/65R19 | 32.1" | 815 mm | 19 mm |
| 255/70R17 | 31.1" | 790 mm | 17 mm |
| 255/70R18 | 32.1" | 815 mm | 18 mm |
| 255/75R17 | 32" | 814 mm | 17 mm |
| 265/45R22 | 31.4" | 797 mm | 22 mm |
| 265/65R17 | 30.6" | 776 mm | 17 mm |
| 265/65R18 | 31.5" | 801 mm | 18 mm |
| 265/70R16 | 30.6" | 778 mm | 16 mm |
| 265/70R17 | 31.7" | 804 mm | 17 mm |
| 265/75R15 | 30.7" | 779 mm | 15 mm |
| 265/75R16 | 31.7" | 804 mm | 16 mm |
| 275/25R26 | 31.4" | 798 mm | 26 mm |
| 275/30R24 | 30.6" | 776 mm | 24 mm |
| 275/40R22 | 30.7" | 779 mm | 22 mm |
| 275/40R23 | 31.7" | 804 mm | 23 mm |
| 275/45R21 | 30.7" | 781 mm | 21 mm |
| 275/45R22 | 31.8" | 807 mm | 22 mm |
| 275/50R20 | 30.9" | 784 mm | 20 mm |
| 275/50R21 | 31.9" | 809 mm | 21 mm |
| 275/55R19 | 30.9" | 785 mm | 19 mm |
| 275/55R20 | 31.9" | 810 mm | 20 mm |
| 275/60R18 | 31" | 787 mm | 18 mm |
| 275/65R17 | 31.1" | 790 mm | 17 mm |
| 275/65R18 | 32.1" | 815 mm | 18 mm |
| 275/70R16 | 31.2" | 792 mm | 16 mm |
| 275/70R17 | 32.2" | 818 mm | 17 mm |
| 285/30R24 | 30.8" | 782 mm | 24 mm |
| 285/35R23 | 30.9" | 784 mm | 23 mm |
| 285/35R24 | 31.9" | 810 mm | 24 mm |
| 285/40R22 | 31" | 787 mm | 22 mm |
| 285/40R23 | 32" | 812 mm | 23 mm |
| 285/45R21 | 31.1" | 789 mm | 21 mm |
| 285/45R22 | 32.1" | 815 mm | 22 mm |
| 285/50R20 | 31.3" | 794 mm | 20 mm |
| 285/55R19 | 31.4" | 797 mm | 19 mm |
| 285/55R20 | 32.4" | 822 mm | 20 mm |
| 285/60R18 | 31.5" | 799 mm | 18 mm |
| 285/65R16 | 30.6" | 776 mm | 16 mm |
| 285/65R17 | 31.6" | 802 mm | 17 mm |
| 285/70R15 | 30.7" | 781 mm | 15 mm |
| 285/70R16 | 31.7" | 806 mm | 16 mm |
| 295/25R26 | 31.8" | 808 mm | 26 mm |
| 295/30R24 | 31" | 788 mm | 24 mm |
| 295/35R23 | 31.1" | 790 mm | 23 mm |
| 295/35R24 | 32.1" | 816 mm | 24 mm |
| 295/40R22 | 31.3" | 795 mm | 22 mm |
| 295/50R20 | 31.7" | 804 mm | 20 mm |
| 295/65R16 | 31.1" | 790 mm | 16 mm |
| 305/25R26 | 32" | 812 mm | 26 mm |
| 305/35R23 | 31.4" | 798 mm | 23 mm |
| 305/35R24 | 32.4" | 824 mm | 24 mm |
| 305/40R22 | 31.6" | 803 mm | 22 mm |
| 305/45R20 | 30.8" | 782 mm | 20 mm |
| 305/50R20 | 32" | 814 mm | 20 mm |
| 305/60R17 | 31.4" | 798 mm | 17 mm |
| 305/60R18 | 32.4" | 823 mm | 18 mm |
| 305/70R15 | 31.9" | 809 mm | 15 mm |
| 315/30R24 | 31.5" | 800 mm | 24 mm |
| 315/35R22 | 30.7" | 779 mm | 22 mm |
| 315/40R21 | 30.9" | 785 mm | 21 mm |
| 315/45R21 | 32.2" | 817 mm | 21 mm |
| 315/50R20 | 32.4" | 824 mm | 20 mm |
| 315/70R15 | 32.4" | 823 mm | 15 mm |
| 325/30R23 | 30.7" | 780 mm | 23 mm |
| 325/35R22 | 31" | 787 mm | 22 mm |
| 325/35R23 | 32" | 812 mm | 23 mm |
| 325/40R21 | 31.2" | 793 mm | 21 mm |
| 325/40R22 | 32.2" | 819 mm | 22 mm |
| 335/30R24 | 32" | 812 mm | 24 mm |
| 345/55R16 | 30.9" | 786 mm | 16 mm |
| 345/55R17 | 32" | 812 mm | 17 mm |
| 355/25R24 | 31" | 788 mm | 24 mm |
| 375/55R16 | 32.2" | 818 mm | 16 mm |
| 405/25R24 | 32" | 812 mm | 24 mm |