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Wealth Building & Investment Calculator

Zinseszinsrechner

Schätzen Sie Ihr Investitionswachstum.

Gesamtguthaben
110,641.85
Total Future Portfolio Value
Total Contributions
70,000
Principal + Monthly Deposits
Erwirtschaftete Zinsen
+40,641.85
Compound Growth Earned

Year-by-Year Growth Schedule

YearTotal DepositedInterest EarnedEnd Balance
Year 116,000+1,025.7517,025.75
Year 222,000+2,596.9324,596.93
Year 328,000+4,755.8832,755.88
Year 434,000+7,548.2241,548.22
Year 540,000+11,023.1451,023.14
Year 646,000+15,233.6361,233.63
Year 752,000+20,236.7872,236.78
Year 858,000+26,094.1384,094.13
Year 964,000+32,87296,872
Year 1070,000+40,641.85110,641.85
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Über das Tool: Calculator

The Compound Interest Calculator estimates how your investment grows over time by repeatedly reinvesting earned interest. The core formula is A = P × (1 + r/n)^(n×t), where P is the principal, r is the annual rate, n is compounding frequency, and t is time in years.

Compounding frequency significantly impacts returns. Monthly compounding yields more than annual compounding for the same rate and period, because interest earns interest more frequently.

This calculator helps savers, investors, and students visualize the power of compound growth — often called the "eighth wonder of the world" — over various time horizons.

Häufig gestellte Fragen (FAQ)

What is the difference between simple and compound interest?

Simple interest is calculated only on the original principal. Compound interest is calculated on the principal plus all previously accumulated interest, leading to exponential growth.

How does compounding frequency affect returns?

More frequent compounding (e.g., monthly vs annually) results in slightly higher returns because interest is reinvested sooner and begins earning its own interest earlier.

Does this account for taxes or inflation?

No. The calculator shows nominal returns only. Real returns after taxes and inflation may be significantly lower.