rFactor2 Vehicle Physics Calculator

Calculate vehicle physics parameters tailored for rFactor2 configs including inertia, forces, acceleration times, and output ready snippets.

Vehicle Basics
kg kg L kg/L m m m m %
Engine & Drivetrain
kW Nm % comma-separated m
Aerodynamics
m² kg/m³
Rolling Resistance & Wind
% m/s Relative to vehicle
Inertia Estimates
kg·m² kg·m² kg·m²

Differential & Driveline

Differential type Nm % % Nm·s

Tire & Grip

kg·m² mm

Suspension & Mass Distribution

kg kg 0.0 kg N/m N/m

Aero Map (Cd & Cl vs Speed)

Fill any values to override base Cd and Cl values. Leave empty to use base defaults.

Speed (km/h) Cd Cl Front Cl Rear
0
50
100
150
200
250
Aerodynamics coefficients map inputs for drag and downforce at multiple speeds.

Braking & Engine Braking

Nm Nm rpm

Engine Torque Curve

If empty, a simple trapezoidal approximation using peak torque and power will be used.

Results

Braking Results

[CONTROLS] 

      
Controls snippet with gear ratios and final drive.

    


    

      

        [DRIVELINE]
        
      

      

      
Driveline snippet with differential settings and final drive.

    


    

      

        [ENGINE]
        
      

      

      
Engine snippet with drivetrain loss, engine inertia, engine braking, and torque curve.

    


    

      

        [AERO]
        
      

      

      
Aerodynamics snippet with CdMap, ClFrontMap, ClRearMap, frontal area, and air density.

    


    

      

        [BODY]
        
      

      

      
Body snippet with inertias, CG height, weight distribution, sprung and unsprung masses.

    


    

      

        [SUSPENSION]
        
      

      

      
Suspension snippet with ARB stiffness and geometry.

    


    

      

        [TIRES]
        
      

      

      
Tires snippet with tire radius, width, base grip and load sensitivity.