Aspect Ratio of Tire Solution

STEP 0: Pre-Calculation Summary
Formula Used
Aspect Ratio of Tire = Tire Side Wall Height/Tire Width*100
AR = H/W*100
This formula uses 3 Variables
Variables Used
Aspect Ratio of Tire - Aspect Ratio of Tire is defined as the ratio between tire sidewall height and tire width.
Tire Side Wall Height - (Measured in Meter) - Tire Side Wall Height is defined as the vertical length of the tire when measured from the top layer of tire to the rim layer.
Tire Width - (Measured in Meter) - Tire Width is defined as the breadth or the width of the tire.
STEP 1: Convert Input(s) to Base Unit
Tire Side Wall Height: 0.123 Meter --> 0.123 Meter No Conversion Required
Tire Width: 0.225 Meter --> 0.225 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
AR = H/W*100 --> 0.123/0.225*100
Evaluating ... ...
AR = 54.6666666666667
STEP 3: Convert Result to Output's Unit
54.6666666666667 --> No Conversion Required
FINAL ANSWER
54.6666666666667 54.66667 <-- Aspect Ratio of Tire
(Calculation completed in 00.004 seconds)

Credits

Created by Syed Adnan
Ramaiah University of Applied Sciences (RUAS), bangalore
Syed Adnan has created this Calculator and 200+ more calculators!
Verified by Kartikay Pandit
National Institute Of Technology (NIT), Hamirpur
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19 Tire Behavior in Racing Car Calculators

Tractive Effort in Multi-Geared Vehicle at any given Gear
Go Tractive Effort in Multi-geared Vehicle = (Torque Output of Vehicle*Gear Ratio of Transmission*Gear Ratio of Final Drive*Transmission Efficiency of Vehicle)/Effective Radius of Wheel
Normal Load on Wheels due to Gradient
Go Normal Load on Wheels due to Gradient = Vehicle Weight in Newtons*Acceleration due to Gravity*cos(Angle of Inclination of Ground from Horizontal)
Wheel Force
Go Wheel Force = 2*Engine Torque*Transmission Efficiency of Vehicle/Diameter of Wheel*Engine Speed in rpm/Wheel Speed
Curb Force for Driven Wheel
Go Curb Force for Driven Wheel = (Weight on Single Wheel*Contact Point Distance from Wheel Center Axis)/(Effective Radius of Wheel-Height of Curb)
Slip of Tire
Go Slip of Tire = ((Forward Velocity of Vehicle-Vehicle Wheel Angular Velocity*Effective Radius of Wheel)/Forward Velocity of Vehicle)*100
Gradient Resistance of Vehicle
Go Gradient Resistance = Vehicle Weight in Newtons*Acceleration due to Gravity*sin(Angle of Inclination of Ground from Horizontal)
Longitudinal Slip Velocity
Go Longitudinal Slip Velocity = Axle Speed over Roadway*cos(Slip Angle)-Circumferential Velocity of Tire under Traction
Contact Point of Wheel and Curb Distance from Wheel Center Axis
Go Contact Point Distance from Wheel Center Axis = sqrt(2*Effective Radius of Wheel*(Height of Curb-Height of Curb^2))
Traction Force Required to Climb Curb
Go Traction Force required to Climb Curb = Weight on Single Wheel*cos(Angle between Traction Force and Horizontal Axis)
Angle between Traction Force and Horizontal Axis
Go Angle between Traction Force and Horizontal Axis = asin(1-Curb Height/Effective Radius of Wheel)
Longitudinal Slip Velocity for Zero Slip Angle
Go Longitudinal (Angular) Slip Velocity = Angular Velocity of Driven (or braked) Wheel-Angular Velocity of Free Rolling Wheel
Lateral Slip Velocity
Go Lateral Slip Velocity = Axle Speed over Roadway*sin(Slip Angle)
Mechanical Advantage of Wheel and Axle
Go Mechanical Advantage of Wheel and Axle = Effective Radius of Wheel/Radius of Axle
Wheel Diameter of Vehicle
Go Wheel Diameter of Vehicle = Rim Diameter+2*Tire Side Wall Height
Tire Side Wall Height
Go Tire Side Wall Height = (Aspect Ratio of Tire*Tire Width)/100
Aspect Ratio of Tire
Go Aspect Ratio of Tire = Tire Side Wall Height/Tire Width*100
Variation of Rolling Resistance Coefficient at Varying Speed
Go Rolling Resistance Coefficient = 0.01*(1+Vehicle Speed/100)
Circumference of Wheel
Go Wheel Circumference = 3.1415*Wheel Diameter of Vehicle
Wheel Radius of Vehicle
Go Wheel Radius in Meter = Wheel Diameter of Vehicle/2

Aspect Ratio of Tire Formula

Aspect Ratio of Tire = Tire Side Wall Height/Tire Width*100
AR = H/W*100

What is aspect ratio of tire?

The aspect ratio defines the relationship between tire width and sidewall height (excluding rim diameter). The aspect ratio (AR) is defined in percentage, as the ratio between tire sidewall height and tire width.

How to Calculate Aspect Ratio of Tire?

Aspect Ratio of Tire calculator uses Aspect Ratio of Tire = Tire Side Wall Height/Tire Width*100 to calculate the Aspect Ratio of Tire, The Aspect ratio of tire formula is defined in percentage, as the ratio between tire sidewall height and tire width. Aspect Ratio of Tire is denoted by AR symbol.

How to calculate Aspect Ratio of Tire using this online calculator? To use this online calculator for Aspect Ratio of Tire, enter Tire Side Wall Height (H) & Tire Width (W) and hit the calculate button. Here is how the Aspect Ratio of Tire calculation can be explained with given input values -> 54.66667 = 0.123/0.225*100.

FAQ

What is Aspect Ratio of Tire?
The Aspect ratio of tire formula is defined in percentage, as the ratio between tire sidewall height and tire width and is represented as AR = H/W*100 or Aspect Ratio of Tire = Tire Side Wall Height/Tire Width*100. Tire Side Wall Height is defined as the vertical length of the tire when measured from the top layer of tire to the rim layer & Tire Width is defined as the breadth or the width of the tire.
How to calculate Aspect Ratio of Tire?
The Aspect ratio of tire formula is defined in percentage, as the ratio between tire sidewall height and tire width is calculated using Aspect Ratio of Tire = Tire Side Wall Height/Tire Width*100. To calculate Aspect Ratio of Tire, you need Tire Side Wall Height (H) & Tire Width (W). With our tool, you need to enter the respective value for Tire Side Wall Height & Tire Width and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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