What would 1000 in 1977 be worth today?

To determine the value of $1,000 in 1977 in today's dollars, you would need to consider the effects of inflation over the years. The average inflation rate in the U.S. since 1977 has been approximately 3.5% annually. Using the Consumer Price Index (CPI) to adjust for inflation, $1,000 in 1977 is roughly equivalent to around $4,500 to $4,600 today, depending on the exact inflation measures used.