Purchasing Power Calculator
Calculate how inflation erodes purchasing power over time. See the future value of your money and how much purchasing power is lost.
How to Use the Purchasing Power Calculator
- Enter the current dollar amount.
- Enter the expected annual inflation rate.
- Enter the number of years into the future.
Quick Reference
| From | To |
|---|---|
| $100, 3% inflation, 10 yrs | $73.74 |
| $100, 3% inflation, 20 yrs | $54.38 |
| $100, 5% inflation, 10 yrs | $59.87 |
| $100, 2% inflation, 30 yrs | $54.55 |
| US long-term avg. | ~3% per year |
Use Cases
- •Planning retirement savings with real purchasing power in mind.
- •Understanding how inflation impacts long-term savings.
- •Negotiating salary raises that outpace inflation.
Formula
Future Value = Amount × (1 − Inflation Rate / 100)^Years.
Frequently Asked Questions
How does inflation affect purchasing power?
Inflation reduces what each dollar can buy — at 3% inflation, $100 today buys only about $74 worth of goods in 10 years.
Can I use this for salary planning?
Yes, enter your salary and expected inflation to see its real value in future years.
Is it free?
Yes, all calculators are completely free.