This inflation calculator allows you to calculate the buying power in a specified year of any amount of money to an equivalent amount in another year by taking into account the inflation rate between these two years. It supports the following countries: - USA (from 1913 to 2024) - UK (from 1800 to 2024) - France (from 1901 to 2024) - South Korea (from 1965 to 2024) To achieve this, this application uses data from various sources: - USA: Bureau of Labor Statistics (Historical CPI-U), https://ww