Calculate how inflation erodes purchasing power over time using historical CPI data. Convert dollar values between any two years, see what past prices equal today, project future purchasing power, and calculate real (inflation-adjusted) investment returns.
Show inflation by category — housing, healthcare, education, food, energy — vs overall CPI.
Track if your salary raises are keeping up with or falling behind inflation over time.
Compare inflation rates across countries with purchasing power parity analysis.
Calculate Series I Savings Bond rates and returns based on current inflation adjustments.
Show how a basket of common goods (bread, gas, rent, college) has changed in price over decades.
Model how inflation erodes a fixed retirement income over 20-30 year retirement horizons.
Copy the prompt above and paste it into Claude Code. Your calculator will be live in minutes.
Get Started