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Interest Rate Comparison Calculator

See how different interest rates impact long-term savings growth.

Understanding This Calculator

A 1% difference in annual return sounds small — but over 30 years it can mean hundreds of thousands of dollars. Visualize the gap between different rate scenarios.

Core Formula

Compare: A = P(1 + r1)^t vs A = P(1 + r2)^t ... vs A = P(1 + rn)^t

How much does 1% extra return matter?

Over 30 years, 1% extra return on $10,000 grows from $81,156 (at 7%) to $108,347 (at 8%) — that's $27,000 more from just 1%.

Is chasing higher returns always better?

No. Higher returns typically come with higher volatility and risk of permanent loss. Only chase returns you are actually compensated for taking.

* All calculations above are theoretical estimates. Actual returns vary based on market performance, fees, taxes, inflation, and economic factors. This tool is for educational purposes only — not financial advice.

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