How do I convert Roblox density to equal a mass to either 1 kg or 1 lb

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#1

I am trying to recreate a car with real life physics and I am unsure how to go about calculating the mass, I am using 2 blocks on the car to make the weight changeable one on the front axle and one on the back, but how would I go about changing the density to make it have a mass equal to 1 lb or 1 kg, currently this is my script

1. Conversion = 0.01212121212
2. Weight = script.Parent.Parent.Parent.Main_Script.Stats.Weight.Value*Conversion
3. script.Parent.CustomPhysicalProperties = PhysicalProperties.new(Weight/2, 0.5, 1, 0.3, 1)

Any help would be appreciated :slight_smile:

#2
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#3

Ive read that and I honestly dont understand it, plus weight and mass are two diffrent thinhs, weight being the rate of acceleration

#4

Weight is a force.
weight = grav acceleration * mass

In other words, you have to convert the acceleration and mass units.