Inflation Calculator
Analyze future cost of living, purchasing power depreciation, and the real value of money over time.
About the Inflation Calculator
The CalcNest Inflation Calculator visualizes the silent erosion of money's purchasing power over time. Use this tool to forecast future retirement costs, children's education expenses, and healthcare budgets with exact inflation compounding.
Mathematical Formula
Future Cost = Present Value × (1 + i)^n
Future Purchasing Power = Present Value / (1 + i)^n Where Present Value is the current cost or cash balance, i is the annual inflation rate (expressed as a decimal), and n is the time horizon in years.
Variables & Components
Worked Example: ₹1,00,000 Monthly Living Cost over 10 Years at 6% Inflation
Suppose your household currently spends ₹1,00,000 per month on groceries, rent, utilities, and lifestyle expenses, with an average inflation rate of 6% per year.
Step-by-Step Calculation
- Calculate inflation compounding factor: (1 + 0.06)^10 = 1.79084
- Multiply current expenses by inflation factor: ₹1,00,000 × 1.79084 = ₹1,79,084
- In 10 years, you will require ₹1,79,084 each month to sustain your exact current living standard.
- Meanwhile, ₹1,00,000 cash kept in a zero-interest savings account will have real purchasing power of only ₹55,839.
- Total purchasing power loss = 44.2%.
How to Use This Calculator
Enter your Current Amount or monthly expense budget.
Select an expected Annual Inflation Rate (e.g. 6% standard CPI).
Set the Time Horizon in Years (e.g. 10 or 20 years).
Examine the future cost of goods, the eroded purchasing power of cash, and the interactive projection curve.