Real CPI · Purchasing Power · Years to Halve

Personal Inflation Calculator

Your real inflation rate — not the government's CPI. Based on how you actually spend.

Calculate your personal inflation rate by weighting actual price increases against your real spending patterns. See your true purchasing power erosion, years to halve your wealth, and which assets are keeping up — and which aren't.

What's Included

Personal inflation rate based on your spending

Category breakdown: housing, food, transport, healthcare

Official CPI vs your real rate gap

Years to halve purchasing power at your rate

Asset-beating-inflation check

Purchasing power timeline chart

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Frequently Asked Questions

Why is personal inflation different from CPI?

CPI weights a theoretical average household. If you spend heavily on rent, food, or healthcare, your real rate is almost certainly higher than the headline number.

What categories does it cover?

Housing, food, transportation, healthcare, energy, education, entertainment, and other — 8 categories you weight by your actual monthly spend.

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Cancel anytime. Educational purposes only. Not financial advice.