Book 5 · Savings & Compound Interest

The Cost of Waiting

Starting later means fewer years for growth to grow on itself — and those are the most valuable years. Put a number on the delay.

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Enter the monthly amount, the rate, the horizon and the delay, then press Calculate.
From the book — Chapter 2. Keep the end date fixed. Start now and every deposit has the full stretch to compound; wait a few years and you skip some deposits and rob the rest of their earliest, most powerful growth. That’s why the gap at the end is far bigger than the deposits you skipped — the lost years were doing the heaviest lifting.

Compounded monthly; illustrative rate, not a guaranteed return. Educational only, not investment advice. Everything stays in your browser.