$100 in 1971 is worth $678.09 in 2021

Buying power of $100 in 1971

This chart shows a calculation of buying power equivalence for $100 in 1971 (price index tracking began in 1914).

For example, if you started with $100, you would need to end with $678.09 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $678.09 over time, that means that the "real value" of a single Canadian dollar decreases over time. In other words, a dollar will pay for fewer items at the store.

This effect explains how inflation erodes the value of a dollar over time. By calculating the value in 1971 dollars, the chart below shows how $100 is worth less over 50 years.

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

This conversion table shows various other 1971 amounts in 2021 dollars, based on the 578.09% change in prices:

How to calculate inflation rate for $100, 1971 to 2021

Our calculations use the following inflation rate formula to calculate the change in value between 1971 and 2021:

Then plug in historical CPI values. The Canadian CPI was 20.88333333 in the year 1971 and 141.60833333333335 in 2021:

$100 in 1971 has the same "purchasing power" or "buying power" as $678.09 in 2021.

To get the total inflation rate for the 50 years between 1971 and 2021, we use the following formula:

Plugging in the values to this equation, we get:

Data source & citation

Raw data for these calculations comes from the government of Canada's annual Consumer Price Index (CPI), established in 1914 and computed by Statistics Canada (StatCan).

» Read more about inflation and investment.