Van der Waals Constant a is usually measured using the Pascal Square Kiloliter per Square Mole[Pa*kL²/mol²] for Van Der Waals Constant a. Pascal Square Liter per Square Millimole[Pa*kL²/mol²], Standard Atmosphere Square Liter per Square Mole[Pa*kL²/mol²], Pascal Square Hectoliter per Square Decimole[Pa*kL²/mol²] are the few other units in which Van der Waals Constant a can be measured.