This salary calculator doesn't seem to be focused on producing pay based on value provided. It is a guideline to determine a reasonable amount a founder can ge

This salary calculator doesn't seem to be focused on producing pay based on value provided. It is a guideline to determine a reasonable amount a founder can get by paying themselves. That's why things like location and family size matter. If it was strictly a value proposition, the founder could pick any number that his investors would be okay with; he's the founder.