Inflation Calculator
Our free Inflation Calculator shows how rising prices erode purchasing power over time. Enter an amount, an inflation rate, and a number of years to see what today's money will really be worth.
Inflation impact
See how inflation erodes purchasing power - what today's money is worth tomorrow.
FAQs
What inflation rate should I use?
Many planners use 2-3% as a long-term baseline, reflecting typical targets in major economies. For stress-testing, try 4-5% to see how your plan holds up if prices rise faster than expected. Historical averages for your country can ground the estimate.
Why does inflation matter for savings?
Because cash and low-interest savings often earn less than inflation, meaning their purchasing power shrinks each year. If your savings earn 1% while prices rise 3%, you're effectively losing 2% of buying power annually - which is why long-term money usually needs to be invested, not just saved.
How it works
Inflation quietly shrinks what your money can buy. An inflation calculator translates a future (or past) amount into today's purchasing power, so you can plan with real numbers instead of nominal ones. The core idea: money sitting still loses value every year prices rise.
For example, $10,000 today at 3% annual inflation has the purchasing power of only about $7,441 after 10 years. At 5% inflation, that same $10,000 feels like just $6,139 after a decade. Small differences in the inflation rate compound into large differences over time.
The calculator works in both directions. You can see what a past amount would equal today (useful for comparing salaries or prices across decades) or what today's savings will be worth in the future (essential for retirement planning).
Use it as a reality check on any long-term plan: if your investments earn 6% while inflation runs 3%, your real growth is roughly 3%, not 6%. Planning with inflation-adjusted numbers keeps goals honest.
The Quiet Tax on Idle Cash
Inflation is often called a silent tax because nobody sends you a bill - your bank balance stays the same while it buys less. At 3% annual inflation, money kept under the mattress loses half its purchasing power in about 24 years. Even "safe" savings accounts paying 1% interest are losing ground in real terms.
This doesn't mean holding cash is wrong - emergency funds need to be liquid and safe. But money you won't touch for 10+ years deserves a chance to outpace inflation, which is the fundamental argument for investing rather than hoarding.
Nominal vs. Real Returns: The Number That Matters
A 7% investment return sounds great until you subtract 3% inflation - your real return, the actual increase in buying power, is roughly 4%. Financial plans built on nominal returns overstate what you'll actually be able to afford.
Whenever you project long-term growth - retirement savings, education funds, a house deposit years away - run the numbers in today's dollars too. The inflation calculator makes this translation instant, turning impressive-sounding future totals into figures you can actually relate to your current budget.
How Inflation Changes Everyday Decisions
Inflation awareness improves small decisions as well as big ones. A fixed-rate loan becomes cheaper in real terms over time as your payments stay flat while wages and prices rise. Conversely, a long-term fixed income stream - like a set monthly payout that never increases - steadily loses value.
It also reframes "waiting to invest." Every year you delay, inflation has already taxed your uninvested cash. Time in the market isn't just about compounding gains; it's about stopping the guaranteed slow bleed of purchasing power.