Where do the inflation rates come from?
Use the CPI average for your region or any forward-looking estimate—this calculator simply applies whatever annual rate you supply.
Step-by-step walkthrough
Currency Inflation Calculator Guide
Use this companion guide beside the interactive calculator to make sure you understand the “why” behind every click. Each section includes the classroom explanation, student-friendly language, and quick practice prompts.
Before you start
Collect the data points listed below and double-check their units. Keeping an organized “givens” list is one of the fastest ways to reduce math errors and impress exam graders.
- inflation
- future value
- buying power
Detailed procedure
Step 1
Enter the nominal amount you want to translate.
Step 2
Set the starting year, ending year, and the average inflation rate.
Step 3
Review the inflated/deflated value, total change, and compounding multiplier.
Teaching & troubleshooting tips
Can I model deflation or backwards adjustments?
Yes. Set the end year earlier than the start year and the calculator divides by the growth factor instead of multiplying.