Life-value measure/metric: more/less life range in any field of life (thought, felt being or action).
Minimally, more/less life range in any domain or degrees of life function.
Source: ‘What is Good? What is Bad? The Value of All Values across Time, Place and Theories’ by John McMurtry, Philosophy and World Problems, Volume I-III, UNESCO in partnership with Encyclopedia of Life Support Systems: Oxford, 2004-11.