$1 in 1645 → $1.09 in 1642

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$1 in 1645 → $1.09 in 1642

U.S. Inflation Rate, $1 in 1645 to 1642

According to the Bureau of Labor Statistics consumer price index, prices in 1642 are 9.09% higher than average prices throughout 1645. The dollar experienced an average deflation rate of -2.86% per year during this period, meaning the real value of a dollar increased.

In other words, $1 in 1645 is equivalent in purchasing power to about $1.09 in 1642, a difference of $0.09 over 3 years.

The 1642 inflation rate was 0.00%. The inflation rate in 1645 was -12.00%. The 1645 inflation rate is lower compared to the average inflation rate of 0.91% per year between 1645 and 2019.


Inflation from 1645 to 1642
Cumulative price change 9.09%
Average inflation rate -2.86%
Converted amount ($1 base) $1.09
Price difference ($1 base) $0.09
CPI in 1645 8.800
CPI in 1642 9.600
Inflation in 1642 0.00%
Inflation in 1645 -12.00%

U.S. inflation chart since 1665


Buying power of $1 in 1642

This chart shows calculation of buying power equivalence, often referred to as "the value of a dollar" over time for $1 in 1642 (price index tracking began in 1635).

According to the Bureau of Labor Statistics, each of these USD amounts below is equal in terms of what it could buy at the time:

Year Dollar Value Inflation Rate
1642 $1.00 -
1643 $1.45 44.79%
1644 $1.04 -28.06%
1645 $0.92 -12.00%
1646 $0.57 -37.50%
1647 $0.43 -25.45%
1648 $0.76 78.05%
1649 $1.11 46.58%
1650 $0.59 -46.73%
1651 $0.79 33.33%
1652 $0.63 -21.05%
1653 $0.81 30.00%
1654 $0.81 0.00%
1655 $0.78 -3.85%
1656 $0.77 -1.33%
1657 $0.63 -18.92%
1658 $0.41 -35.00%
1659 $0.46 12.82%
1660 $0.52 13.64%
1661 $0.44 -16.00%
1662 $0.47 7.14%
1663 $0.47 0.00%
1664 $0.47 0.00%
1665 $0.40 -15.56%
1666 $0.40 0.00%
1667 $0.43 7.89%
1668 $0.45 4.88%
1669 $0.42 -6.98%
1670 $0.42 0.00%
1671 $0.42 0.00%
1672 $0.42 0.00%
1673 $0.41 -2.50%
1674 $0.43 5.13%
1675 $0.38 -12.20%
1676 $0.39 2.78%
1677 $0.40 2.70%
1678 $0.38 -5.26%
1679 $0.38 0.00%
1680 $0.44 16.67%
1681 $0.46 4.76%
1682 $0.39 -15.91%
1683 $0.39 0.00%
1684 $0.39 0.00%
1685 $0.43 10.81%
1686 $0.40 -7.32%
1687 $0.40 0.00%
1688 $0.36 -7.89%
1689 $0.38 2.86%
1690 $0.39 2.78%
1691 $0.41 5.41%
1692 $0.38 -7.69%
1693 $0.35 -5.56%
1694 $0.38 5.88%
1695 $0.35 -5.56%
1696 $0.42 17.65%
1697 $0.42 0.00%
1698 $0.40 -5.00%
1699 $0.44 10.53%
1700 $0.43 -2.38%
1701 $0.45 4.88%
1702 $0.41 -9.30%
1703 $0.41 0.00%
1704 $0.48 17.95%
1705 $0.44 -8.70%
1706 $0.47 7.14%
1707 $0.45 -4.44%
1708 $0.38 -16.28%
1709 $0.47 25.00%
1710 $0.43 -8.89%
1711 $0.42 -2.44%
1712 $0.40 -5.00%
1713 $0.43 7.89%
1714 $0.39 -9.76%
1715 $0.46 18.92%
1716 $0.43 -6.82%
1717 $0.47 9.76%
1718 $0.43 -8.89%
1719 $0.47 9.76%
1720 $0.44 -6.67%
1721 $0.42 -4.76%
1722 $0.43 2.50%
1723 $0.44 2.44%
1724 $0.45 2.38%
1725 $0.52 16.28%
1726 $0.49 -6.00%
1727 $0.52 6.38%
1728 $0.48 -8.00%
1729 $0.48 0.00%
1730 $0.48 0.00%
1731 $0.44 -8.70%
1732 $0.40 -9.52%
1733 $0.41 2.63%
1734 $0.40 -2.56%
1735 $0.42 5.26%
1736 $0.40 -5.00%
1737 $0.42 5.26%
1738 $0.43 2.50%
1739 $0.39 -9.76%
1740 $0.41 5.41%
1741 $0.68 66.67%
1742 $0.60 -10.77%
1743 $0.54 -10.34%
1744 $0.50 -7.69%
1745 $0.48 -4.17%
1746 $0.50 4.35%
1747 $0.55 10.42%
1748 $0.66 18.87%
1749 $0.67 1.59%
1750 $0.67 0.00%
1751 $0.67 0.00%
1752 $0.69 3.12%
1753 $0.67 -3.03%
1754 $0.64 -4.69%
1755 $0.63 -1.64%
1756 $0.60 -3.33%
1757 $0.65 6.90%
1758 $0.70 8.06%
1759 $0.82 17.91%
1760 $0.79 -3.80%
1761 $0.72 -9.21%
1762 $0.78 8.70%
1763 $0.78 0.00%
1764 $0.73 -6.67%
1765 $0.75 2.86%
1766 $0.80 6.94%
1767 $0.79 -1.30%
1768 $0.75 -5.26%
1769 $0.79 5.56%
1770 $0.85 7.89%
1771 $0.81 -4.88%
1772 $0.95 16.67%
1773 $0.90 -5.49%
1774 $0.84 -5.81%
1775 $0.80 -4.94%
1776 $0.91 12.99%
1777 $1.10 21.84%
1778 $1.44 30.19%
1779 $1.27 -11.59%
1780 $1.43 12.30%
1781 $1.16 -18.98%
1782 $1.26 9.01%
1783 $1.10 -12.40%
1784 $1.06 -3.77%
1785 $1.01 -4.90%
1786 $0.99 -2.06%
1787 $0.97 -2.11%
1788 $0.93 -4.30%
1789 $0.92 -1.12%
1790 $0.96 4.55%
1791 $0.98 2.17%
1792 $1.00 2.13%
1793 $1.03 3.13%
1794 $1.15 11.11%
1795 $1.31 14.55%
1796 $1.38 4.76%
1797 $1.32 -3.79%
1798 $1.28 -3.15%
1799 $1.28 0.00%
1800 $1.31 2.44%
1801 $1.32 0.79%
1802 $1.11 -15.75%
1803 $1.18 5.61%
1804 $1.23 4.42%
1805 $1.22 -0.85%
1806 $1.27 4.27%
1807 $1.21 -4.92%
1808 $1.31 8.62%
1809 $1.28 -2.38%
1810 $1.28 0.00%
1811 $1.36 6.50%
1812 $1.39 1.53%
1813 $1.67 20.30%
1814 $1.83 10.00%
1815 $1.60 -12.50%
1816 $1.47 -8.44%
1817 $1.39 -5.67%
1818 $1.32 -4.51%
1819 $1.32 0.00%
1820 $1.22 -7.87%
1821 $1.18 -3.42%
1822 $1.22 3.54%
1823 $1.09 -10.26%
1824 $1.01 -7.62%
1825 $1.03 2.06%
1826 $1.03 0.00%
1827 $1.04 1.01%
1828 $0.99 -5.00%
1829 $0.97 -2.11%
1830 $0.96 -1.08%
1831 $0.91 -5.43%
1832 $0.90 -1.15%
1833 $0.88 -2.33%
1834 $0.90 2.38%
1835 $0.92 2.33%
1836 $0.97 5.68%
1837 $1.00 3.23%
1838 $0.97 -3.12%
1839 $0.97 0.00%
1840 $0.91 -6.45%
1841 $0.91 0.00%
1842 $0.85 -5.75%
1843 $0.77 -9.76%
1844 $0.78 1.35%
1845 $0.79 1.33%
1846 $0.80 1.32%
1847 $0.85 6.49%
1848 $0.82 -3.66%
1849 $0.80 -2.53%
1850 $0.81 1.30%
1851 $0.80 -1.28%
1852 $0.80 0.00%
1853 $0.80 0.00%
1854 $0.88 9.09%
1855 $0.91 3.57%
1856 $0.89 -2.30%
1857 $0.91 2.35%
1858 $0.85 -5.75%
1859 $0.86 1.22%
1860 $0.86 0.00%
1861 $0.92 6.02%
1862 $1.05 14.77%
1863 $1.31 24.75%
1864 $1.64 24.60%
1865 $1.70 3.82%
1866 $1.66 -2.45%
1867 $1.54 -6.92%
1868 $1.48 -4.05%
1869 $1.42 -4.23%
1870 $1.36 -3.68%
1871 $1.27 -6.87%
1872 $1.27 0.00%
1873 $1.25 -1.64%
1874 $1.19 -5.00%
1875 $1.15 -3.51%
1876 $1.11 -2.73%
1877 $1.09 -1.87%
1878 $1.04 -4.76%
1879 $1.04 0.00%
1880 $1.06 2.00%
1881 $1.06 0.00%
1882 $1.06 0.00%
1883 $1.05 -0.98%
1884 $1.02 -2.97%
1885 $1.01 -1.02%
1886 $0.98 -3.09%
1887 $0.99 1.06%
1888 $0.99 0.00%
1889 $0.96 -3.16%
1890 $0.95 -1.09%
1891 $0.95 0.00%
1892 $0.95 0.00%
1893 $0.94 -1.10%
1894 $0.90 -4.44%
1895 $0.88 -2.33%
1896 $0.88 0.00%
1897 $0.86 -1.19%
1898 $0.86 0.00%
1899 $0.86 0.00%
1900 $0.88 1.20%
1901 $0.89 1.19%
1902 $0.90 1.18%
1903 $0.92 2.33%
1904 $0.93 1.14%
1905 $0.92 -1.12%
1906 $0.94 2.27%
1907 $0.98 4.44%
1908 $0.96 -2.13%
1909 $0.95 -1.09%
1910 $0.99 4.40%
1911 $0.99 0.00%
1912 $1.01 2.11%
1913 $1.03 2.06%
1914 $1.04 1.01%
1915 $1.05 1.00%
1916 $1.14 7.92%
1917 $1.33 17.43%
1918 $1.57 17.97%
1919 $1.80 14.57%
1920 $2.08 15.61%
1921 $1.86 -10.50%
1922 $1.75 -6.15%
1923 $1.78 1.79%
1924 $1.78 0.00%
1925 $1.82 2.34%
1926 $1.84 1.14%
1927 $1.81 -1.69%
1928 $1.78 -1.72%
1929 $1.78 0.00%
1930 $1.74 -2.34%
1931 $1.58 -8.98%
1932 $1.43 -9.87%
1933 $1.35 -5.11%
1934 $1.40 3.08%
1935 $1.43 2.24%
1936 $1.45 1.46%
1937 $1.50 3.60%
1938 $1.47 -2.08%
1939 $1.45 -1.42%
1940 $1.46 0.72%
1941 $1.53 5.00%
1942 $1.70 10.88%
1943 $1.80 6.13%
1944 $1.83 1.73%
1945 $1.88 2.27%
1946 $2.03 8.33%
1947 $2.32 14.36%
1948 $2.51 8.07%
1949 $2.48 -1.24%
1950 $2.51 1.26%
1951 $2.71 7.88%
1952 $2.76 1.92%
1953 $2.78 0.75%
1954 $2.80 0.75%
1955 $2.79 -0.37%
1956 $2.83 1.49%
1957 $2.93 3.31%
1958 $3.01 2.85%
1959 $3.03 0.69%
1960 $3.08 1.72%
1961 $3.11 1.01%
1962 $3.15 1.00%
1963 $3.19 1.32%
1964 $3.23 1.31%
1965 $3.28 1.61%
1966 $3.38 2.86%
1967 $3.48 3.09%
1968 $3.63 4.19%
1969 $3.82 5.46%
1970 $4.04 5.72%
1971 $4.22 4.38%
1972 $4.35 3.21%
1973 $4.63 6.22%
1974 $5.14 11.04%
1975 $5.60 9.13%
1976 $5.93 5.76%
1977 $6.31 6.50%
1978 $6.79 7.59%
1979 $7.56 11.35%
1980 $8.58 13.50%
1981 $9.47 10.32%
1982 $10.05 6.16%
1983 $10.38 3.21%
1984 $10.82 4.32%
1985 $11.21 3.56%
1986 $11.42 1.86%
1987 $11.83 3.65%
1988 $12.32 4.14%
1989 $12.92 4.82%
1990 $13.61 5.40%
1991 $14.19 4.21%
1992 $14.61 3.01%
1993 $15.05 2.99%
1994 $15.44 2.56%
1995 $15.88 2.83%
1996 $16.34 2.95%
1997 $16.72 2.29%
1998 $16.98 1.56%
1999 $17.35 2.21%
2000 $17.94 3.36%
2001 $18.45 2.85%
2002 $18.74 1.58%
2003 $19.17 2.28%
2004 $19.68 2.66%
2005 $20.34 3.39%
2006 $21.00 3.23%
2007 $21.60 2.85%
2008 $22.43 3.84%
2009 $22.35 -0.36%
2010 $22.71 1.64%
2011 $23.43 3.16%
2012 $23.92 2.07%
2013 $24.27 1.46%
2014 $24.66 1.62%
2015 $24.69 0.12%
2016 $25.00 1.26%
2017 $25.53 2.13%
2018 $26.16 2.44%
2019 $26.68 1.99%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.

Inflation by Spending Category

CPI is the weighted combination of many categories of spending that are tracked by the government. This chart shows the average rate of inflation for select CPI categories between 1645 and 1642.

Compare these values to the overall average of -2.86% per year:

Category Avg Inflation (%) Total Inflation (%) $1 in 1642 → 1645
Food 0.00 0.00 1.00
Shelter 0.00 0.00 1.00
Energy 0.00 0.00 1.00
Apparel 0.00 0.00 1.00
New vehicles 0.00 0.00 1.00
Used cars and trucks 0.00 0.00 1.00
Transportation services 0.00 0.00 1.00
Medical care services 0.00 0.00 1.00
Medical care commodities 0.00 0.00 1.00

It's important to note that not all categories may be tracked since 1645. This table and visualization use the earliest available data for each category.



How to Calculate Inflation Rate for $1, 1642 to 1645

This inflation calculator uses the following inflation rate formula:

CPI in 1642CPI in 1645
×
1645 USD value
=
1642 USD value

Then plug in historical CPI values. The U.S. CPI was 8.8 in the year 1645 and 9.6 in 1642:

9.68.8
×
$1
=
$1.09

$1 in 1645 has the same "purchasing power" or "buying power" as $1.09 in 1642.

To get the total inflation rate for the 3 years between 1642 and 1645, we use the following formula:

CPI in 1642 - CPI in 1645CPI in 1645
×
100
=
Cumulative inflation rate (3 years)

Plugging in the values to this equation, we get:

9.6 - 8.88.8
×
100
=
9%

Data Source & Citation

Raw data for these calculations comes from the Bureau of Labor Statistics' (CPI), established in 1913. Inflation data from 1665 to 1912 is sourced from a historical study conducted by political science professor Robert Sahr at Oregon State University.

You may use the following MLA citation for this page: “$1 in 1645 → 1642 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 24 Jun. 2019, https://www.officialdata.org/1645-dollars-in-1642?amount=1.

Special thanks to QuickChart for providing downloadable chart images.

in2013dollars.com is a reference website maintained by the Official Data Foundation.


» Read more about inflation and investment.

Inflation from 1645 to 1642
Cumulative price change 9.09%
Average inflation rate -2.86%
Converted amount ($1 base) $1.09
Price difference ($1 base) $0.09
CPI in 1645 8.800
CPI in 1642 9.600
Inflation in 1642 0.00%
Inflation in 1645 -12.00%