315/40R19 In Inches

What size tire is 315/40R19 in Inches?

The 315/40R19 equivalent to 28.9x12.4R19 in inches, as follow:

  • 28.9 inches (735mm) stand for the tire diameter, also referred to as the tire height
  • 12.4 inches (315mm) is the tire width, this may also know as the section width
  • 19 inches (483mm) represent the rim diameter or called the wheel diameter that can be mounted on.
InchesMetric
Tire Diameter28.9"735 mm
Tread Width12.4"315 mm
Rim Diameter19"483 mm
Sidewall Height5"126 mm
Circumference90.8"2306 mm
Revolutions698 revs/mile434 revs/km
tire diameter
12.4"
28.9"
Tire Side
Tire Circumference
90.8"
19"
5"
698 Revs/Mile

What is a 315/40R19 tire width?

The 315/40R19 has a width of 12.4 inches or 315 mm wide. This is the measurement of the tire at its thickest point, the distance between the inner sidewall’s widest point and the outer sidewall’s widest point. This physical width of the tire can change if the tire is mounted on a wheel slightly wider or narrower than the size indicated by the rim width.

What is 315/40R19 tire diameter?

The 315/40R19 has an overall diameter of 28.9 inches or 735 mm tall (Measurement of a tire’s outside diameter through its exact center when inflated with no load.)

What size rim do I need for 315/40R19?

The size rim of a 315/40R19 tire is 19 inches or 483 mm tall. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.

How tall is a 315/40R19 tire sidewall’s height?

The sidewall height of a 315/40R19 is 5 inches or 126 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 315/40R19 tire circumference?

315/40R19 tire has a circumference of 90.8 inches or 2306 mm

How many revolutions for 315/40R19 per mile & kilometer?

The 315/40R19 performs 434 revolutions per kilometer or 698 revolutions per mile. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer

What’s wider or narrow than 315/40R19 is acceptable?

You can replace the 315/40R19 tires that are within ±3% of the overall tire diameter. In this case, it’s between 28 and 29.8 inches (713mm to 757 mm). Check our tire size chart here or the tire size calculator tool here to find your size.


Tire Size Chart for 19" Wheels:

24″ Tire Diameter

25″ Tire Diameter

26″ Tire Diameter


27″ Tire Diameter

28″ Tire Diameter

29″ Tire Diameter


30″ Tire Diameter

31″ Tire Diameter

32″ Tire Diameter


*Disclaimer: The information provided on the tire size is for general informational purposes only. We recommend that you consult a certified tire specialist or National Highway Traffic Safety Administration (NHTSA) sets specific guidelines for tires used on vehicles.


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Jamie Hicks

Sullivan Kane

Tire Technician at TireSizesCalculator

Sullivan is a Tire Technician specializing in tire repair at TireSizesCalculator. With over 6 years of experience in the industry, Sullivan has become an expert in tire repair, maintenance & installation.


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