Purchasing power · Updated 1970
How much value has your dollar lost?
Pick a starting year, enter an amount, and watch the cumulative damage. We compare it to the same money held as physical gold over the same window.
Your scenario
Enter the original USD amount in starting-year dollars.
-1 years of dollar erosion
Cash held since 1971
Original amount
$10,000
Real value today
$1,400
Purchasing power lost
−86.0%
$8,600 gone
If you had bought gold instead
Gold ounces bought in 1971
246.18 oz
Worth today (nominal)
$652,388
Nominal gain vs cash
+6424%
Real value over time (in 1971 dollars)
Both lines are inflation-adjusted to 1971 purchasing power.
Key takeaway: Cash held under a mattress since 1971 retained only 14% of its real value. The same dollars held as gold would be worth roughly 466.0× more in today's dollars. This is why central banks themselves hold gold as reserves.
Updated January 1970. Source: BLS CPI-U + Federal Reserve historical USD/gold ratio. Last verified January 2026. Next review: January each year.