Calculator Suite

Investment ROI Calculator

Calculate compound interest returns, future value, and investment growth projections

Investment Details
Enter your investment parameters to calculate future value and ROI

Your starting investment amount

Amount you'll invest each month

Expected yearly return on your investment

How long you'll invest for

How often returns are compounded

$6,000.00

Monthly contribution × 12 months = Total yearly investment

Expected annual inflation rate for real value calculations

When you'll start investing

Initial Investment Presets

$1,000$5,000$10,000$25,000$50,000$100,000

Monthly Contribution Presets

$0$100$250$500$1,000$2,500$5,000

Expected Return Rates

Conservative (4%)Moderate (7%)Aggressive (10%)S&P 500 Avg (11%)High Growth (15%)
Investment Formulas
Key formulas used in investment growth calculations

Future Value (Lump Sum)

FV=P×(1+rn)n tFV = P \times \left(1 + \frac{r}{n}\right)^{n\,t}

PP = Initial investment

rr = Annual return rate

nn = Compounds per year

tt = Years invested

Future Value (Monthly Contributions)

FVcontrib=C×(1+rn)n t−1rnFV_{contrib} = C \times \frac{\left(1 + \frac{r}{n}\right)^{n\,t} - 1}{\frac{r}{n}}

CC = Monthly contribution

ROI

ROI=FV−Total ContributionsTotal ContributionsROI = \frac{FV - \text{Total Contributions}}{\text{Total Contributions}}
Understanding Investments

Compounding

Returns are reinvested, generating earnings on earnings over time.

Contributions

Regular deposits significantly boost long-term growth.

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Investment ROI Calculator | Calculator Suite