What is a cost of living calculator?
A cost of living calculator estimates what it costs to maintain a comparable standard of living in a given place. It rolls up housing, taxes, food, transportation, healthcare, utilities, childcare, insurance, and the long tail of miscellaneous spending into a single index against the national average — and translates that index into the salary you'd need to save at a steady rate.
The number is a starting point, not a verdict. Two households earning the same income in the same ZIP code can land in very different places depending on housing choices, family size, and the decisions they've already made. A calculator gives you the baseline; the rest is yours to shape.