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Value of 1981 New Zealand Dollars today

$100 in 1981
$492.07 in 2022

The inflation rate in New Zealand between 1981 and today has been 392.07%, which translates into a total increase of $392.07. This means that 100 dollars in 1981 are equivalent to 492.07 dollars in 2022. In other words, the purchasing power of $100 in 1981 equals $492.07 today. The average annual inflation rate between these periods has been 3.96%.

Inflation timeline in New Zealand (1981 - 2022)

The following chart depicts the equivalence of $100 due to compound inflation and CPI changes. All values are equivalent in terms of purchasing power, which means that for each year the same goods or services could be bought with the indicated amount of money.

All calculations are performed in the local currency (NZD) and using 6 decimal digits. Results show only up to 2 decimal digits to favour readability. Inflation data is provided by governments and international institutions on a monthly basis. Today's values were extrapolated from the latest 12-month rolling average official data.

The following table contains relevant indicators:

Indicator Value
Cumulative inflation 1981-2021 346.12%
Cumulative inflation 1981-today 392.07%
Avg. Annual inflation 1981-2021 3.81%
CPI 1981 25.08
CPI 2021 111.89
CPI 2022-Q2 (latest official data) 118.69
CPI today 123.41

How to calculate today's value of money after inflation?

There are several ways to calculate the time value of money. Depending on the data available, results can be obtained by using the Consumer Price Index (CPI) formula or the compound interest formula.

Using the CPI formula

When we have both the start and end years, we can use the following formula:

Valuet =Value0 ×
CPIt/CPI0

To obtain the values equivalent in buying power between 1981 and 2021, use the corresponding CPI values:

Value2021
=Value1981 ×
CPI2021/CPI1981
=$ 100 ×
111.89/25.08
$446.12

To obtain the equivalent value today (present value), plug in the CPI for today, which is estimated as 123.41:

Valuetoday
=Value1981 ×
CPItoday/CPI1981
=$ 100 ×
123.41/25.08
$492.07

Alternative: Using the compound interest formula

Given that money changes with time as a result of an inflation rate that acts as compound interest, we can use the following formula: FV = PV × (1 + i)n, where:

  • FV: Future Value
  • PV: Present Value
  • i: Interest rate (inflation)
  • n: Number of times the interest is compounded (i.e. # of years)

In this case, the future value represents the final amount obtained after applying the inflation rate to our initial value. In other words, it indicates how much are $100 worth today. There are 40 years between 1981 and 2021 and the average inflation rate was 3.8093%. Therefore, we can resolve the formula like this:

Value2021
=PV × (1 + i)n
=$100 × (1 + 0.038093)40
$446.12

New Zealand inflation - Conversion table

Initial Value Equivalent value
$1 dollar in 1981 $4.46 dollars in 2021
$5 dollars in 1981 $22.31 dollars in 2021
$10 dollars in 1981 $44.61 dollars in 2021
$50 dollars in 1981 $223.06 dollars in 2021
$100 dollars in 1981 $446.12 dollars in 2021
$500 dollars in 1981 $2,230.62 dollars in 2021
$1,000 dollars in 1981 $4,461.23 dollars in 2021
$5,000 dollars in 1981 $22,306.17 dollars in 2021
$10,000 dollars in 1981 $44,612.33 dollars in 2021
$50,000 dollars in 1981 $223,061.66 dollars in 2021
$100,000 dollars in 1981 $446,123.33 dollars in 2021
$500,000 dollars in 1981 $2,230,616.65 dollars in 2021
$1,000,000 dollars in 1981 $4,461,233.29 dollars in 2021
Cumulative inflation From 1981 392.07%
Avg. annual inflation From 1981 3.96%
CPI 1981 25.08
CPI today 123.41

Value of Dollar over time (by year)

Period Value
1981 100
1982 116.16
1983 124.69
1984 132.39
1985 152.8
1986 172.99
1987 200.22
1988 212.99
1989 225.16
1990 238.89
1991 245.11
1992 247.6
1993 250.79
1994 255.16
1995 264.74
1996 270.8
1997 274.01
1998 277.48
1999 277.16
2000 284.41
2001 291.88
2002 299.69
2003 304.95
2004 311.93
2005 321.4
2006 332.22
2007 340.11
2008 353.58
2009 361.06
2010 369.37
2011 384.25
2012 388.32
2013 392.73
2014 397.55
2015 398.71
2016 401.29
2017 408.72
2018 415.25
2019 421.97
2020 429.21
2021 446.12
2022-Q2 473.23
Today 492.07

All available years

Today's value of New Zealand dollars by year:

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 |

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