Calculator

Compound savings estimator

Adjust the fields to see a rough projection. This is a teaching tool using fixed monthly contributions and a constant rate — real portfolios bounce around, and future returns are unknown.

Starting balance (USD)Money you already have saved today.Monthly contribution (USD)Amount you add at the end of each month.Annual return (%)Nominal annual rate, compounded monthly (illustrative only).Years to growInvestment horizon for this scenario.

Estimated outcome

Ending balance: $40,468
Total contributions: $31,000
Growth from returns: $9,468

Math runs entirely in your browser. Returns are not guaranteed; taxes, fees, inflation, and human behavior are not modeled here.

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