VIERITOOLS

Finance

Compound Interest Calculator

See how starting capital, recurring contributions, time and compounding can grow your money.

Growth plan Compound interest scenario
$
$
%
years
Future balance $0.00 Projected value
Total contributions $0.00
Interest earned $0.00
Growth multiple 0.00×
Effective annual rate 0.00%
Monthly contribution total $0.00
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Long-term growth

Let time do some of the work.

Adjust your starting balance, monthly contribution, annual rate, time horizon and compounding frequency. VIERI Tools shows the projected balance, contributions and interest earned instantly.

Understand the numbers

How compound growth is estimated

Compound interest occurs when growth is earned not only on the original balance but also on prior accumulated growth. This calculator combines a starting balance, recurring monthly contributions, an annual rate, time horizon and compounding frequency.

Calculation method

The starting balance is compounded over the selected period while recurring contributions are added according to your chosen timing. The result separates your own contributions from the estimated interest or growth generated by the assumed rate.

Example

Example: a $5,000 starting balance plus $200 per month produces a future balance made up of your original $5,000, your monthly contributions and the growth generated by the rate you entered.

Useful checks

  • Test several rates instead of assuming one return will persist.
  • Longer time horizons can make compounding more significant.
  • Fees, taxes and changing rates can reduce real-world results.

Keep calculating

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