Inflation Impact Calculator
See how inflation erodes your purchasing power over time. Calculate future costs and the salary you'll need to maintain your standard of living.
Financial Disclaimer
This calculator is for educational purposes only and does not constitute financial advice. Results are estimates based on the inputs provided. Consult a qualified financial advisor before making investment or financial planning decisions.
Inputs
Results
Future Purchasing Power ($)
$41,525.68
≈ 4 years of state college
How to Use This Calculator
- Enter a current salary or savings amount to project its future purchasing power.
- Set the expected annual inflation rate — the U.S. historical average is about 3%.
- Enter the number of years to project forward.
- Add a specific monthly expense (like rent at $2,000) to see its future cost.
- Review the future purchasing power lost, years for prices to double, and the salary needed in the future to maintain today's lifestyle.
How the result changes with Current Amount / Salary ($)
| Current Amount / Salary ($) | Future Purchasing Power ($) |
|---|---|
| 100,000,000 | $55,367,575.42 |
| 350,000,000 | $193,786,513.97 |
| 650,000,000 | $359,889,240.22 |
| 900,000,000 | $498,308,178.77 |
What each input means
- Current Amount / Salary ($)
- Today's dollar amount (e.g., annual salary or savings) to project forward.
- Annual Inflation Rate (%)
- Expected average annual inflation rate (US historical average is ~3%).
- Years Into the Future
- How many years ahead to project the impact of inflation.
- Current Monthly Expense ($)
- A specific monthly expense (e.g., rent, groceries) to see its future cost.
What each result means
- Future Purchasing Power ($)
- What today's dollars will be worth in future purchasing power.
- Purchasing Power Lost ($)
- Dollar amount of purchasing power eroded by inflation.
- Purchasing Power Lost (%)
- Percentage of your buying power eaten by inflation.
- Future Monthly Cost ($)
- What your current monthly expense will cost in the future.
- Future Annual Cost ($)
- Annualized future cost of your monthly expense.
- Additional Annual Cost ($)
- Extra yearly amount you'll pay due to inflation.
- Years for Prices to Double
- At this inflation rate, how long until prices double.
- Future Salary Needed ($)
- Salary needed in the future to match today's purchasing power.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersCurrent Amount / Salary ($) = 75000, Annual Inflation Rate (%) = 3, Years Into the Future = 20, Current Monthly Expense ($) = 2000 = 4 input(s) provided
- Calculate Future Purchasing PowerFuture Purchasing Power = currentAmount / pow(1 + inflationRate, years)41525.68 = $41,525.68
- Calculate Purchasing Power LostPurchasing Power Lost = currentAmount - futurePurchasingPower33474.32 = $33,474.32
- Calculate Purchasing Power Lost44.63 = 44.63%
Engine last updated . Checked against 1 independently-derived test — how we verify calculators.
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