According to the U.S. Bureau of Labor Statistics, prices in Seattle, Washington are 2,947.80% higher in 2026 versus 1918 (a $14,739,008,264,462,811,136 difference in value).
Between 1918 and 2026:Seattle experienced an average inflation rate of 3.21% per year. This rate of change indicates significant inflation. In other words, $500,000,000,000,000,000 in Seattle in the year 1918 would cost $15,239,008,264,462,811,136 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 2.89% during this same period, inflation in Seattle was higher.
In the year 1918: Pricing changed by 22.53%, which is significantly above the average yearly change in Seattle during the 1918-2026 time period. Compared to inflation for all items in 1918 (17.28%), inflation in Seattle was much higher.
Below are calculations of equivalent buying power in Seattle, over time, for $500,000,000,000,000,000 beginning in 1918. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1918 | $500,000,000,000,000,000.00 | 22.53% |
| 1919 | $658,402,203,856,749,184.00 | 31.68% |
| 1920 | $779,958,677,685,950,208.00 | 18.46% |
| 1921 | $701,446,280,991,735,424.00 | -10.07% |
| 1922 | $647,038,567,493,113,088.00 | -7.76% |
| 1923 | $637,741,046,831,955,840.00 | -1.44% |
| 1924 | $642,561,983,471,074,176.00 | 0.76% |
| 1925 | $654,269,972,451,790,592.00 | 1.82% |
| 1926 | $655,991,735,537,190,016.00 | 0.26% |
| 1927 | $649,793,388,429,751,936.00 | -0.94% |
| 1928 | $634,297,520,661,156,992.00 | -2.38% |
| 1929 | $638,774,104,683,195,520.00 | 0.71% |
| 1930 | $636,707,988,980,716,160.00 | -0.32% |
| 1931 | $581,267,217,630,854,016.00 | -8.71% |
| 1932 | $532,713,498,622,589,440.00 | -8.35% |
| 1933 | $497,933,884,297,520,512.00 | -6.53% |
| 1934 | $503,787,878,787,878,592.00 | 1.18% |
| 1935 | $518,595,041,322,313,920.00 | 2.94% |
| 1936 | $525,482,093,663,911,744.00 | 1.33% |
| 1937 | $549,242,424,242,424,128.00 | 4.52% |
| 1938 | $547,865,013,774,104,576.00 | -0.25% |
| 1939 | $544,077,134,986,225,856.00 | -0.69% |
| 1940 | $545,110,192,837,465,344.00 | 0.19% |
| 1941 | $578,856,749,311,294,592.00 | 6.19% |
| 1942 | $650,826,446,280,991,616.00 | 12.43% |
| 1943 | $688,016,528,925,619,840.00 | 5.71% |
| 1944 | $700,068,870,523,415,808.00 | 1.75% |
| 1945 | $715,564,738,292,010,880.00 | 2.21% |
| 1946 | $770,316,804,407,713,280.00 | 7.65% |
| 1947 | $866,391,184,573,002,496.00 | 12.47% |
| 1948 | $940,426,997,245,178,880.00 | 8.55% |
| 1949 | $940,771,349,862,258,816.00 | 0.04% |
| 1950 | $946,625,344,352,617,088.00 | 0.62% |
| 1951 | $1,022,727,272,727,272,704.00 | 8.04% |
| 1952 | $1,053,374,655,647,382,784.00 | 3.00% |
| 1953 | $1,063,705,234,159,779,328.00 | 0.98% |
| 1954 | $1,065,426,997,245,178,880.00 | 0.16% |
| 1955 | $1,069,903,581,267,217,408.00 | 0.42% |
| 1956 | $1,081,611,570,247,933,568.00 | 1.09% |
| 1957 | $1,127,410,468,319,559,040.00 | 4.23% |
| 1958 | $1,153,236,914,600,550,656.00 | 2.29% |
| 1959 | $1,174,242,424,242,424,064.00 | 1.82% |
| 1960 | $1,189,049,586,776,859,648.00 | 1.26% |
| 1961 | $1,209,022,038,567,492,864.00 | 1.68% |
| 1962 | $1,227,961,432,506,887,168.00 | 1.57% |
| 1963 | $1,246,900,826,446,280,960.00 | 1.54% |
| 1964 | $1,264,807,162,534,435,328.00 | 1.44% |
| 1965 | $1,277,203,856,749,310,976.00 | 0.98% |
| 1966 | $1,313,360,881,542,699,520.00 | 2.83% |
| 1967 | $1,351,928,374,655,646,976.00 | 2.94% |
| 1968 | $1,405,991,735,537,189,888.00 | 4.00% |
| 1969 | $1,474,173,553,719,008,256.00 | 4.85% |
| 1970 | $1,540,633,608,815,426,560.00 | 4.51% |
| 1971 | $1,574,380,165,289,255,936.00 | 2.19% |
| 1972 | $1,618,801,652,892,561,920.00 | 2.82% |
| 1973 | $1,715,909,090,909,090,816.00 | 6.00% |
| 1974 | $1,898,760,330,578,512,128.00 | 10.66% |
| 1975 | $2,099,173,553,719,008,256.00 | 10.55% |
| 1976 | $2,220,041,322,314,049,536.00 | 5.76% |
| 1977 | $2,390,495,867,768,594,944.00 | 7.68% |
| 1978 | $2,630,165,289,256,198,144.00 | 10.03% |
| 1979 | $2,912,534,435,261,708,288.00 | 10.74% |
| 1980 | $3,400,826,446,280,991,232.00 | 16.77% |
| 1981 | $3,774,793,388,429,752,320.00 | 11.00% |
| 1982 | $4,036,501,377,410,468,352.00 | 6.93% |
| 1983 | $4,097,107,438,016,527,872.00 | 1.50% |
| 1984 | $4,250,000,000,000,000,000.00 | 3.73% |
| 1985 | $4,359,504,132,231,404,544.00 | 2.58% |
| 1986 | $4,408,057,851,239,668,736.00 | 1.11% |
| 1987 | $4,413,223,140,495,867,392.00 | 0.12% |
| 1988 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1989 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1990 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1991 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1992 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1993 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1994 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1995 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1996 | $4,413,223,140,495,867,392.00 | 0.00% ** |
| 1997 | $4,613,636,363,636,362,240.00 | 4.54% |
| 1998 | $6,924,242,424,242,422,784.00 | 50.08% |
| 1999 | $7,131,542,699,724,517,376.00 | 2.99% |
| 2000 | $7,392,906,336,088,154,112.00 | 3.66% |
| 2001 | $7,665,289,256,198,345,728.00 | 3.68% |
| 2002 | $7,817,148,760,330,575,872.00 | 1.98% |
| 2003 | $7,946,969,696,969,697,280.00 | 1.66% |
| 2004 | $8,038,911,845,730,025,472.00 | 1.16% |
| 2005 | $8,263,774,104,683,194,368.00 | 2.80% |
| 2006 | $8,565,426,997,245,178,880.00 | 3.65% |
| 2007 | $8,894,758,953,168,043,008.00 | 3.84% |
| 2008 | $9,279,786,501,377,409,024.00 | 4.33% |
| 2009 | $9,334,814,049,586,776,064.00 | 0.59% |
| 2010 | $9,365,296,143,250,688,000.00 | 0.33% |
| 2011 | $9,604,745,179,063,359,488.00 | 2.56% |
| 2012 | $9,856,649,449,035,812,864.00 | 2.62% |
| 2013 | $9,976,714,876,033,056,768.00 | 1.22% |
| 2014 | $10,159,225,206,611,568,640.00 | 1.83% |
| 2015 | $10,295,416,666,666,663,936.00 | 1.34% |
| 2016 | $10,525,523,415,977,959,424.00 | 2.24% |
| 2017 | $10,841,188,016,528,922,624.00 | 3.00% |
| 2018 | $11,189,645,316,804,407,296.00 | 3.21% |
| 2019 | $11,474,001,377,410,465,792.00 | 2.54% |
| 2020 | $11,669,965,564,738,289,664.00 | 1.71% |
| 2021 | $12,193,708,677,685,948,416.00 | 4.49% |
| 2022 | $13,277,551,652,892,561,408.00 | 8.89% |
| 2023 | $14,072,896,005,509,642,240.00 | 5.99% |
| 2024 | $14,591,398,071,625,338,880.00 | 3.68% |
| 2025 | $14,959,776,170,798,899,200.00 | 2.52% |
| 2026 | $15,239,008,264,462,811,136.00 | 1.87%* |
* Not final. See inflation summary for latest details.
** Extended periods of 0% inflation usually indicate incomplete underlying data. This can manifest as a sharp increase in inflation later on.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Seattle, Washington:
| Year | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
| CPI | 9.200 | 9.192 | 9.150 | 9.875 | 12.100 | 15.933 | 18.875 | 16.975 | 15.658 | 15.433 | 15.550 | 15.833 | 15.875 | 15.725 | 15.350 | 15.458 | 15.408 | 14.067 | 12.892 | 12.050 | 12.192 | 12.550 | 12.717 | 13.292 | 13.258 | 13.167 | 13.192 | 14.008 | 15.750 | 16.650 | 16.942 | 17.317 | 18.642 | 20.967 | 22.758 | 22.767 | 22.908 | 24.750 | 25.492 | 25.742 | 25.783 | 25.892 | 26.175 | 27.283 | 27.908 | 28.417 | 28.775 | 29.258 | 29.717 | 30.175 | 30.608 | 30.908 | 31.783 | 32.717 | 34.025 | 35.675 | 37.283 | 38.100 | 39.175 | 41.525 | 45.950 | 50.800 | 53.725 | 57.850 | 63.650 | 70.483 | 82.300 | 91.350 | 97.683 | 99.150 | 102.850 | 105.500 | 106.675 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 106.800 | 111.650 | 167.567 | 172.583 | 178.908 | 185.500 | 189.175 | 192.317 | 194.542 | 199.983 | 207.283 | 215.253 | 224.571 | 225.903 | 226.640 | 232.435 | 238.531 | 241.436 | 245.853 | 249.149 | 254.718 | 262.357 | 270.789 | 277.671 | 282.413 | 295.088 | 321.317 | 340.564 | 353.112 | 362.027 | 368.784 |