An inflation calculator illustrates what a steady inflation rate does to money over time. People search inflation calculator to compare “$100 today vs later.” This tool uses a constant rate — real CPI paths vary year to year.
The Formula Behind the Inflation Calculator
Future nominal cost ≈ amount × (1 + rate)^years
Purchasing power of today’s amount later ≈ amount ÷ (1 + rate)^years
When This Calculator Helps
Classroom examples and rough planning sketches. Not for legal COLA disputes or investment guarantees.
Using the Calculator
- Enter the values labeled in the tool above.
- Read the result cards — they update as you type.
- Cross-check one example by hand using the formula in this section.
- Open a related calculator below if your question needs a different formula.
Mistakes to Avoid
- Treating the rate as a guaranteed forecast
- Mixing real and nominal returns without care
- Ignoring that baskets of goods inflate unevenly
Getting the Most Out of It
- Pair with Compound Interest Calculator for growth illustrations
- See /disclaimer before any planning decision
More Calculators to Try
Where the Estimate Falls Short
Results are estimates for learning and planning. They are not loan offers, tax filings, payroll determinations, or professional advice. Review our disclaimer.