Interest Calculator — Embed Widget

Currency:

Interest Calculator & Wealth Growth

This Compound Interest Calculator can help determine the compound interest accumulation and final balances on both fixed principal amounts and additional periodic contributions. There are also optional factors available for consideration, such as the tax on interest income and inflation.

Instructions: Modify the values and click the Calculate button to use.

Investment Parameters

Initial Investment ($)$20,000

Annual Contribution ($)

/yr

Monthly Contribution ($)

/mo

Contribution Timing (of each period)

Beginning of periodAnnuity Due (immediate interest)

End of periodOrdinary Annuity

Interest Rate (%)5% Return

Compound Frequency

Investment Length

Years

Months

Real Purchasing Power & Tax DragOptional Adjustments

Tax on Interest Income (%)

Annual Inflation Rate (%)

Wealth Accumulation Results

Projected Ending Balance:

$54,535.18

Grown across 5 years at 5% annual return

Total Principal Invested$45,000.00

Total Compound Interest$9,535.18

Itemized Wealth Accumulation Breakdown

Initial Starting Principal$20,000.00

Total Additional Contributions$25,000.00

Total Principal (Invested Out-of-Pocket)$45,000.00

Interest from Initial Investment$5,525.63

Interest from Contributions$4,009.55

Total Interest Earned$9,535.18

Real Buying Power (Inflation-Adjusted)Adjusted for 3% annual inflation

$47,042.53

Interest17.5%

Principal$20,000.00

Deposits$25,000.00

Interest$9,535.18