| $15 in Year | Value in 2026 |
| $15 in 1914 | $486.08 |
| $15 in 1915 | $481.27 |
| $15 in 1916 | $471.92 |
| $15 in 1917 | $419.04 |
| $15 in 1918 | $354.80 |
| $15 in 1919 | $294.59 |
| $15 in 1920 | $257.19 |
| $15 in 1921 | $250.56 |
| $15 in 1922 | $280.97 |
| $15 in 1923 | $287.62 |
| $15 in 1924 | $280.97 |
| $15 in 1925 | $280.97 |
| $15 in 1926 | $271.55 |
| $15 in 1927 | $274.62 |
| $15 in 1928 | $280.97 |
| $15 in 1929 | $284.26 |
| $15 in 1930 | $282.61 |
| $15 in 1931 | $301.91 |
| $15 in 1932 | $332.93 |
| $15 in 1933 | $371.05 |
| $15 in 1934 | $368.24 |
| $15 in 1935 | $362.75 |
| $15 in 1936 | $352.23 |
| $15 in 1937 | $347.20 |
| $15 in 1938 | $337.56 |
| $15 in 1939 | $347.20 |
| $15 in 1940 | $347.20 |
| $15 in 1941 | $344.74 |
| $15 in 1942 | $313.60 |
| $15 in 1943 | $287.62 |
| $15 in 1944 | $279.36 |
| $15 in 1945 | $273.08 |
| $15 in 1946 | $267.08 |
| $15 in 1947 | $226.08 |
| $15 in 1948 | $207.73 |
| $15 in 1949 | $201.69 |
| $15 in 1950 | $205.97 |
| $15 in 1951 | $194.43 |
| $15 in Year | Value in 2026 |
| $15 in 1952 | $183.43 |
| $15 in 1953 | $182.05 |
| $15 in 1954 | $180.70 |
| $15 in 1955 | $182.05 |
| $15 in 1956 | $181.37 |
| $15 in 1957 | $176.12 |
| $15 in 1958 | $171.16 |
| $15 in 1959 | $168.19 |
| $15 in 1960 | $165.33 |
| $15 in 1961 | $163.11 |
| $15 in 1962 | $162.03 |
| $15 in 1963 | $159.90 |
| $15 in 1964 | $157.31 |
| $15 in 1965 | $155.80 |
| $15 in 1966 | $152.86 |
| $15 in 1967 | $147.74 |
| $15 in 1968 | $143.39 |
| $15 in 1969 | $136.92 |
| $15 in 1970 | $128.93 |
| $15 in 1971 | $122.13 |
| $15 in 1972 | $118.27 |
| $15 in 1973 | $114.37 |
| $15 in 1974 | $105.21 |
| $15 in 1975 | $93.66 |
| $15 in 1976 | $87.58 |
| $15 in 1977 | $83.52 |
| $15 in 1978 | $78.27 |
| $15 in 1979 | $71.80 |
| $15 in 1980 | $63.37 |
| $15 in 1981 | $56.32 |
| $15 in 1982 | $51.71 |
| $15 in 1983 | $49.80 |
| $15 in 1984 | $47.98 |
| $15 in 1985 | $46.16 |
| $15 in 1986 | $44.47 |
| $15 in 1987 | $43.99 |
| $15 in 1988 | $42.12 |
| $15 in 1989 | $40.34 |
| $15 in Year | Value in 2026 |
| $15 in 1990 | $38.55 |
| $15 in 1991 | $36.33 |
| $15 in 1992 | $35.25 |
| $15 in 1993 | $34.26 |
| $15 in 1994 | $33.34 |
| $15 in 1995 | $32.47 |
| $15 in 1996 | $31.67 |
| $15 in 1997 | $30.65 |
| $15 in 1998 | $30.14 |
| $15 in 1999 | $29.66 |
| $15 in 2000 | $28.88 |
| $15 in 2001 | $27.94 |
| $15 in 2002 | $27.51 |
| $15 in 2003 | $26.87 |
| $15 in 2004 | $26.37 |
| $15 in 2005 | $25.54 |
| $15 in 2006 | $24.70 |
| $15 in 2007 | $24.09 |
| $15 in 2008 | $23.14 |
| $15 in 2009 | $23.12 |
| $15 in 2010 | $22.51 |
| $15 in 2011 | $22.18 |
| $15 in 2012 | $21.54 |
| $15 in 2013 | $21.17 |
| $15 in 2014 | $20.86 |
| $15 in 2015 | $20.70 |
| $15 in 2016 | $20.55 |
| $15 in 2017 | $20.13 |
| $15 in 2018 | $19.72 |
| $15 in 2019 | $19.35 |
| $15 in 2020 | $18.92 |
| $15 in 2021 | $18.66 |
| $15 in 2022 | $17.43 |
| $15 in 2023 | $16.38 |
| $15 in 2024 | $15.85 |
| $15 in 2025 | $15.40 |
| $15 in 2026 | $15.00 |