It's just a question of definition. Instead of "consciousness" being unmeasurable, the word would get redefined to something that can be measured, like a partic

It's just a question of definition. Instead of "consciousness" being unmeasurable, the word would get redefined to something that can be measured, like a particular volume and/or type of calculation. If that happens it will be in good company; at one point people thought that temperature and heat, for example, were fundamentally subjective and not measurable.