Question 1

Why do I need the density for this conversion?

Accepted Answer

Mass and volume are linked by density. Without knowing the density, it is impossible to know how much space a specific mass occupies.

Question 2

Is 1 kg always equal to 1 liter?

Accepted Answer

No, this is only true for pure water at 4°C. Other substances have different densities and will occupy different volumes.

Kg To Liter