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    Compound Interest Calculator

    Calculate how investments grow over time with compound interest

    Parameters

    €10,000
    10000
    €500
    500
    7%
    7
    20 y
    20
    3%
    3
    Future value20 y · 7%

    €0

    0%contributions
    Total contributed
    €0
    Interest earned
    €0
    Initial amount€10,000
    Contributions (240)€0
    Total contributed€0
    Interest earned€0
    Future value€0

    Return (ROI) · +0.0%

    Total balance
    Contributions

    Detailed breakdown

    Amount structure

    What the final amount consists of

    Initial amount€10,000
    Contributions (240)€0
    Interest earned€0
    Future value€0
    Key metrics

    Yield and compounding parameters

    Annual interest rate (%)7%
    CompoundingMonthly
    Number of contributions240
    Return (ROI)+0.0%

    Quick Insights

    Rule of 72

    10.3 y

    Your money doubles in 7%

    Effective Annual Rate

    0.00%

    with compounding

    Inflation-Adjusted Value

    €0

    in today's money (3%)

    How does compound interest work?

    Compound interest is the process where interest is calculated on the initial principal and also on the accumulated interest from previous periods. This allows the amount to grow faster than simple interest because you earn "interest on interest".

    1
    Start Investing

    Begin with an initial investment and add regular contributions

    2
    Interest Compounds

    Interest is calculated on your balance and added to it

    3
    Exponential Growth

    Over time, you earn interest on interest, accelerating growth

    Frequently Asked Questions

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    These calculations are for informational purposes only and do not constitute financial, tax, or legal advice. Consult a qualified professional for your specific situation.

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