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What Did Past Wars Really Cost?

War costs are always quoted in the dollars of their era. Adjusted for inflation, the numbers are staggering. See every US war in 2026 dollars.

World War II

1941–1945 · 405,399 US deaths

Original Cost

$4.1T

nominal dollars

2026 Adjusted

$6.2T

2× more

Per Capita (then)

$30,000

per person in era

Per Capita (2026 $)

$18,235

inflation-adjusted

% of GDP (then)

181%

of GDP during conflict

GDP Equivalent Now

$52.5T

181% of 2026 GDP

All US Wars in 2026 Dollars

Inflation Calculator

Enter any dollar amount and year to see its 2026 equivalent.

$1,000 in 1945 =

$18.1K

in 2026 dollars (18.1× multiplier)