Real value of CAD over time.
Real purchasing power in future
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Nominal needed to match today
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Your breakdown
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The quiet tax on cash
Inflation is the slow erosion of what a dollar buys. A loonie today and a loonie in twenty years carry the same number on the coin, but the second one buys noticeably less. This calculator shows that erosion two ways. It tells you the real purchasing power of a sum of money after years of inflation, and it tells you the larger nominal amount you would need in the future just to match what your money buys today. Both come from the same compounding math, run in opposite directions.
The Bank of Canada’s 2 percent anchor
Canada’s inflation is measured by the Consumer Price Index, and the Bank of Canada targets 2 percent, the midpoint of a 1 to 3 percent control range it has held for decades. Most years it stays near that mark, which is why long-run planning often uses something between 2 and 2.5 percent. But the target is not a guarantee. In 2022 and 2023 CPI spiked toward 8 percent, the highest in a generation, before policy rate hikes pulled it back. The default rate of 2.5 percent in this tool is a sensible long-horizon assumption that sits just above the official target to leave a little room for surprises.
What $100,000 is worth in 20 years
Run the defaults: $100,000, a 20-year horizon, and 2.5 percent annual inflation. To find real purchasing power, divide the amount by 1.025 raised to the power of 20. To find the nominal amount needed to match today, multiply instead. The two answers bracket today’s $100,000 from below and above.
The chart shows both curves from a $100,000 starting point. The teal line is the real value of that cash sliding down to about $61,027, while the dark line is the nominal sum required to keep pace, climbing to roughly $163,862.
What inflation does to a retirement plan
The figure that should worry savers is the real one. Losing nearly 40 percent of purchasing power over two decades means a portfolio that merely holds its nominal value has quietly gone backward. This is the case for holding growth assets rather than cash, and the reason a GIC paying 3 percent in a 2.5 percent inflation world earns almost nothing in real terms, and even less after the Canada Revenue Agency taxes the interest at your full marginal rate. A practical tip when you plan: keep your spending target and your expected return in the same units. If your return is nominal, inflate your future costs too, or you will overstate how comfortable you will be. Note that the CPI is a national average, and your personal inflation rate can differ sharply depending on housing costs, which vary widely across provinces and cities.
Frequently asked questions
Why does my cost of living feel higher than the official CPI?
The CPI tracks a fixed basket of goods and services weighted to the average household, but your basket is not average. If a large share of your budget goes to rent, mortgage interest, or groceries, categories that have risen faster than the headline rate in recent years, your personal inflation can run well above the published number. The official figure is correct for the economy as a whole and still understates the squeeze for some households.
Are Canadian tax brackets adjusted for inflation?
Yes. The federal tax brackets and the basic personal amount are indexed each year to CPI, which prevents pure inflation from quietly pushing you into a higher bracket, a problem known as bracket creep. Most provinces index their brackets too, though a few have frozen them in some years, which does let inflation raise the real tax burden until indexing resumes.