Inflation Calculator
See what today's amount will cost in the future.
About this tool
Inflation erodes purchasing power over time — the same amount of money buys less in the future. This calculator projects what today's amount will need to grow to just to buy the same goods later, and how much buying power is lost as a percentage.
Key Features
- Future cost of today's amount
- Purchasing power lost, as a percentage
- Any inflation rate and time period
How to Use
- Enter today's amount.
- Enter the expected annual inflation rate.
- Enter the number of years and click Calculate.
Benefits
- Plan retirement or savings targets in real terms
- Understand why a fixed income loses value over time
- Compare different inflation assumptions
Frequently Asked Questions
A common long-run assumption is 2–3% for developed economies, but actual inflation varies by country and year — use a rate that matches your own planning assumptions or a recent average for your region.
The math is the same compounding formula, but the meaning is opposite — here growth represents money losing value, not gaining it.