21 Dollars Adjusted for Inflation
| Year | Inflation Adjusted for 2026 |
| $21 in 1914 | $681 |
| $21 in 1915 | $674 |
| $21 in 1916 | $661 |
| $21 in 1917 | $587 |
| $21 in 1918 | $497 |
| $21 in 1919 | $412 |
| $21 in 1920 | $360 |
| $21 in 1921 | $351 |
| $21 in 1922 | $393 |
| $21 in 1923 | $403 |
| $21 in 1924 | $393 |
| $21 in 1925 | $393 |
| $21 in 1926 | $380 |
| $21 in 1927 | $384 |
| $21 in 1928 | $393 |
| $21 in 1929 | $398 |
| $21 in 1930 | $396 |
| $21 in 1931 | $423 |
| $21 in 1932 | $466 |
| $21 in 1933 | $519 |
| $21 in 1934 | $516 |
| $21 in 1935 | $508 |
| $21 in 1936 | $493 |
| $21 in 1937 | $486 |
| $21 in 1938 | $473 |
| $21 in 1939 | $486 |
| $21 in 1940 | $486 |
| $21 in 1941 | $483 |
| $21 in 1942 | $439 |
| $21 in 1943 | $403 |
| $21 in 1944 | $391 |
| $21 in 1945 | $382 |
| $21 in 1946 | $374 |
| $21 in 1947 | $317 |
| $21 in 1948 | $291 |
| $21 in 1949 | $282 |
| $21 in 1950 | $288 |
| $21 in 1951 | $272 |
| $21 in 1952 | $257 |
| $21 in 1953 | $255 |
| $21 in 1954 | $253 |
| $21 in 1955 | $255 |
| $21 in 1956 | $254 |
| $21 in 1957 | $247 |
| $21 in 1958 | $240 |
| $21 in 1959 | $235 |
| $21 in 1960 | $231 |
| $21 in 1961 | $228 |
| $21 in 1962 | $227 |
| $21 in 1963 | $224 |
| $21 in 1964 | $220 |
| $21 in 1965 | $218 |
| $21 in 1966 | $214 |
| $21 in 1967 | $207 |