Current data is only available till 2014. In 2014, the relative worth of $2,000,000.00 from 1983 is:
$4,750,000.00 using the Consumer Price Index
$4,060,000.00 using the GDP deflator
$4,660,000.00 using the unskilled wage
$5,240,000.00 using the Production Worker Compensation
$7,000,000.00 using the nominal GDP per capita
$9,540,000.00 using the relative share of GDP
1983 slips into the very tail-end of a high US inflationary period. Inflation has mostly been relatively low since. You can use any of the many online CPI calculators to calculate value of money. (Of course, it's only one measure of spending power change but, in this case, it's probably the most relevant one.)
1. http://www.measuringworth.com/uscompare/result.php?year_sour...