How much would your home cost ...
By its measure, a $400,000 house in the Baltimore area would be worth a little more than $1 million in San Francisco. (It would be about $460,000 in Miami and $220,000 in Dallas.)
Coldwell Banker says it bases its comparisons on "a single-family dwelling model with approximately 2,200 sq.ft., 4 bedrooms, 2 1/2 baths, family room (or equivalent) and 2-car garage" in neighborhoods "typical for corporate middle-management transferees."
The website also has a compare-and-contrast calculator for college towns.