P305/40R23 Tire Size

Understanding P305/40R23 tire size is crucial for making informed decisions when purchasing new tires, whether it is for replacement or upgrade, as it plays an important role in your vehicle's performance and safety. Let's explore P305/40R23 tire size specs and dimensions, what vehicles are equipped with P305/40R23 tires and what are its replacement alternatives.

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What does P305/40R23 mean?

P305/40R23 is a P-Metric tire size that is commonly used on passenger and crossover vehicles. Let us decode each aspect of P305/40R23 tire size dimensions for better understanding.

  • P - this letter indicates this is a P-Metric tire size.
  • 305 - this number indicates tire's section width, which includes the entire width of the tire from one sidewall to the other. The tread width is typically a bit narrower than the section width. Section width of this particular tire is 305 millimeters.
  • 40 - this number represents the aspect ratio of a tire. It is the ratio of the tire's sidewall height to its width. For this particular tire size, tire's sidewall height is 40% of its tread width.
  • R - this letter denotes that tire has radial construction.
  • 23 - the last number indicates the wheel diameter in inches that the tire is designed to fit. P305/40R23 can be mounted on rims with 23 inches in diameter.
P305/40R23 Section Width
P305/40R23 Tire Side
Tire Circumference
619 Revs/Mile
Metric Inches
Tread Width 305 mm 12"
Aspect Ratio 40%
Rim Diameter 584 mm 23"
Tire Diameter 828.2 mm 32.6"
Sidewall Height 122 mm 4.8"
Circumference 2601 mm 102.4"
Revolutions 384 per km 619 per mile

What is P305/40R23 in inches?

When converted to inches, P305/40R23 tire size is equivalent to 32.6x12R23. 32.6 inches indicate the tire diameter, 12 inches represent tread width, and 23 inches is the diameter of a rim the tire can be mounted on.

What vehicles use P305/40R23 tire size?

No vehicles found.

What are replacement alternatives for P305/40R23 tire?

Replacement tires have to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of replacement and plus tire sizes that are within the optimal characteristics of the original P305/40R23 tire size.

Keep in mind that different vehicles have different tire requirements. Passenger cars, SUVs, trucks, and high-performance vehicles each have specific types of tires that are engineered for their particular needs. When replacing tires on your vehicle, always refer to your vehicle's owner's manual for manufacturer recommendations on tire size, type, and other specifications.

Replacement Tire Size Overall Diameter Difference
305/40R23 0%
295/35R24 -1.4%
295/40R24 2.1%
305/35R24 -0.6%
315/35R24 0.2%
P305/35R24 -0.6%
LT295/40R24 2.1%

What wheels can P305/40R23 tire be mounted on?

P305/40R23 tires are generally approved to be mounted on 10" to 12" wide wheels. The follwing wheel sizes can be used:

  • 23x10
  • 23x10.5
  • 23x11
  • 23x11.5
  • 23x12

P305/40R23 tire size comparison chart

Tire Size Overall Diameter Difference
P305/40R23 vs 285/35R23 -5.4%
P305/40R23 vs 275/40R23 -2.9%
P305/40R23 vs 305/35R23 -3.7%
P305/40R23 vs P285/35R23 -5.4%
P305/40R23 vs P265/25R23 -13.5%
P305/40R23 vs 315/25R23 -10.4%
P305/40R23 vs 295/30R23 -8.1%
P305/40R23 vs 265/25R23 -13.5%
P305/40R23 vs 305/25R23 -11%
P305/40R23 vs 305/40R23 0%
P305/40R23 vs HL275/35R23 -6.2%
P305/40R23 vs 325/30R23 -5.9%
P305/40R23 vs 325/35R23 -2%
P305/40R23 vs 295/35R23 -4.5%
P305/40R23 vs 285/40R23 -1.9%
P305/40R23 vs HL315/30R23 -6.7%
P305/40R23 vs 315/50R24 11.6%
P305/40R23 vs 245/30R24 -8.6%
P305/40R23 vs 355/40R24 7.9%
P305/40R23 vs P275/25R24 -9.8%
P305/40R23 vs P315/45R24 7.8%
P305/40R23 vs 305/45R24 6.8%
P305/40R23 vs P385/35R24 6.2%
P305/40R23 vs 305/40R24 3.1%
P305/40R23 vs 345/50R24 15.3%
P305/40R23 vs 405/25R24 -1.9%
P305/40R23 vs 315/30R24 -3.6%
P305/40R23 vs 265/25R24 -10.4%
P305/40R23 vs 385/35R24 6.2%
P305/40R23 vs 335/30R24 -2.1%
P305/40R23 vs 245/25R24 -11.6%
P305/40R23 vs 275/23R24 -11.1%
P305/40R23 vs 345/45R24 11.1%
P305/40R23 vs 295/45R24 5.7%
P305/40R23 vs 375/40R24 9.8%
P305/40R23 vs 255/25R24 -11%
P305/40R23 vs 315/45R24 7.8%
P305/40R23 vs 335/40R24 6%
P305/40R23 vs LT335/40R24 6%
P305/40R23 vs 355/25R24 -5%
P305/40R23 vs 325/45R24 8.9%
P305/40R23 vs 315/35R24 0.2%
P305/40R23 vs 275/25R24 -9.8%
P305/40R23 vs 305/35R24 -0.6%
P305/40R23 vs 295/40R24 2.1%
P305/40R23 vs 295/35R24 -1.4%
P305/40R23 vs 295/30R24 -5%
P305/40R23 vs 285/40R24 1.1%
P305/40R23 vs 285/35R24 -2.3%
P305/40R23 vs 275/30R24 -6.5%
P305/40R23 vs LT315/45R24 7.8%
P305/40R23 vs LT315/50R24 11.7%
P305/40R23 vs LT325/45R24 8.9%
P305/40R23 vs LT305/45R24 6.7%
P305/40R23 vs LT295/45R24 5.7%
P305/40R23 vs LT295/40R24 2.1%
P305/40R23 vs 285/30R24 -5.7%
P305/40R23 vs P405/25R24 -1.9%
P305/40R23 vs P305/35R24 -0.6%
P305/40R23 vs P285/30R24 -5.7%
P305/40R23 vs P255/30R24 -7.9%
P305/40R23 vs LT375/40R24 9.9%
P305/40R23 vs LT355/40R24 7.9%
P305/40R23 vs LT345/50R24 15.3%
P305/40R23 vs 255/30R24 -7.9%
P305/40R23 vs 315/40R25 7.1%

All listed guides, data and/or calculations are for informational purposes only. Tire-Sizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.