Cost of Living Comparison

Cost of living indexes price-weighted baskets of goods and services across cities. Numbeo, Mercer, and the BEA's regional price parities are the common datasets. A salary that affords a comfortable life in one city may not in another — relocating from Lincoln to San Francisco requires roughly 2x for equivalent purchasing power.

The calculator takes a current salary plus origin and destination cities and returns the equivalent salary needed.

A cost-of-living index measures the relative cost of a fixed basket of goods (housing, food, transportation, healthcare, utilities, leisure) across locations, anchored to a baseline (often 100 = a reference city or country average). The Bureau of Economic Analysis publishes Regional Price Parities for US metro areas using government survey data. Numbeo crowdsources prices from users — broader coverage but less consistent quality. Mercer surveys for expat assignment use, weighted toward goods that international assignees typically purchase. Each methodology produces different numbers for the same comparison; the spread can be 10–20% on a city pair.

A worked example: moving from Austin (RPP ≈ 102) to San Francisco (RPP ≈ 132). A $150,000 salary in Austin maps to roughly $194,000 in San Francisco for purchasing-power parity ($150,000 × 132/102). Housing dominates the gap — Austin median rent for a 2-bed runs $2,200, San Francisco $4,200. Groceries differ by ~10%, restaurants by ~25%, transportation similar (both car-dependent though SF has better transit). Reverse direction: a $150,000 SF salary buys $116,000 in Austin equivalent. State income tax matters too — Texas zero, California up to 13.3% — adding 6–8% to the after-tax gap.

Limitations: the calculator's output is an average for an average household. Your actual ratio depends on lifestyle. If you don't drive, transit-heavy cities cost less than the index suggests. If you eat out daily, restaurant inflation matters more than grocery. Housing weight (typically 25–35% of basket) dominates city-to-city variance — for high earners with paid-off homes, housing matters less than the index implies; for renters, more. Tax treatment is included in some indexes (after-tax COL) but not others (gross). The calculator should be a starting point for negotiation or planning, not a final number — verify the underlying methodology against your situation.