Compound Interest & Investment ROI Calculators

Calculate compound interest, ROI, CAGR, and investment returns.

Most Popular Calculators

Revenue from Investment Calculator

Calculate potential revenue streams from your investments

Savings from Investment Calculator

Discover cost savings through strategic investments

Return on Investment (Simple) Calculator

Quick ROI calculation for basic investment analysis

Time-Based ROI Calculator

Calculate ROI and profit analysis across multi-year investment horizons

Recurring Investment Calculator

Calculate compound growth from regular recurring investments over time

Payback Period Calculator

Calculate how quickly investments recover initial capital through monthly benefits

Profit Margins Calculator

Calculate gross, operating, and net profit margins to understand business profitability

EBITDA Calculator

Calculate EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) to measure operational profitability and cash generation capacity

License These Investment Calculators for Your Website

These calculators are fully brandable and can be embedded on your website to engage visitors, demonstrate value, and generate qualified leads. White-label with your branding, colors, and style.

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What Are Investment Calculators?

Investment calculators help investors, financial advisors, and wealth managers quantify investment returns, project compound growth, compare investment options, and analyze portfolio performance. Whether you're evaluating individual investments, building retirement portfolios, or advising clients on investment strategies, these tools calculate returns, risk-adjusted performance, and break-even points. Investment professionals use these calculators to calculate ROI and annualized returns, project compound interest growth over time, analyze investment payback periods, compare different investment options and strategies, calculate break-even points and required returns, model portfolio diversification and allocation, evaluate risk-adjusted returns and Sharpe ratios, project retirement savings and withdrawal rates, calculate tax-adjusted investment returns, and model different market scenarios and sensitivity analysis. Our suite includes 10 specialized calculators covering essential investment metrics from return calculations to portfolio optimization.

Licensable & Brandable for Your Website

These calculators are fully licensable and can be branded to match your website's design. Financial advisors, wealth management platforms, investment platforms, robo-advisors, fintech companies, and financial education sites embed them to engage prospects, demonstrate value, and generate qualified leads. Each calculator can be white-labeled with your branding, colors, and style to create a seamless experience on your site.

Key Concepts

Compound Interest Calculator

A compound interest calculator computes how investments grow when interest is calculated on both principal and accumulated interest. Use the formula A = P(1 + r/n)^(nt) where P is principal, r is annual rate, n is compounding frequency, and t is time in years.

CAGR Calculator

A CAGR (Compound Annual Growth Rate) calculator determines the annualized return of an investment over time. Calculate CAGR as ((Ending Value / Beginning Value)^(1/Years)) - 1 to compare investments with different time horizons.

ROI Calculator

An ROI (Return on Investment) calculator measures the percentage gain or loss relative to the investment cost. Calculate ROI as (Gain - Cost) / Cost × 100%. Include all fees, taxes, and opportunity costs for accurate results.

Dividend Yield Calculator

A dividend yield calculator computes the annual dividend income as a percentage of stock price. Calculate dividend yield as (Annual Dividends per Share / Price per Share) × 100% to compare income-generating investments.

Common Use Cases

Calculate total return on investment including capital appreciation, dividends, interest, and realized gains. Compare ROI across different investments, time periods, and asset classes. Model annualized returns (CAGR) to standardize comparisons across different holding periods. Factor in all costs including purchase fees, management fees, taxes, and opportunity costs to calculate true net returns.
Model how investments grow through compound interest over time. Calculate the impact of different contribution schedules, interest rates, and compounding frequencies. Project long-term wealth accumulation from regular contributions and reinvested returns. Demonstrate the power of starting early and the dramatic impact of small interest rate differences over decades.
Compare multiple investment opportunities using standardized metrics including annualized returns, risk-adjusted performance, payback periods, and total returns. Model different scenarios to understand sensitivity to key assumptions. Evaluate trade-offs between risk, return, liquidity, and time horizon. Present side-by-side comparisons to support investment decision-making.
Calculate how long until investment returns equal initial capital invested. Model payback periods for different investment types including real estate, business investments, and capital equipment. Factor in opportunity costs and inflation to calculate real payback periods. Evaluate investment risk based on capital recovery timeline.
Project retirement savings accumulation based on contribution rates, expected returns, and time horizon. Model different retirement scenarios including early retirement, phased retirement, and extended working years. Calculate required savings rates to meet retirement income goals. Evaluate safe withdrawal rates and portfolio longevity under different market conditions.
Determine break-even points where investment returns equal total costs including opportunity costs. Model required return rates to justify investment risk and lock-up periods. Calculate break-even time horizons for different investment strategies. Evaluate sensitivity to market conditions and identify factors that most impact break-even points.

Frequently Asked Questions

ROI is calculated as (Gain from Investment - Cost of Investment) / Cost of Investment × 100%. For example, investing $10,000 that returns $12,000 yields 20% ROI. Include all costs (fees, taxes, opportunity costs) and gains (appreciation, dividends, interest). Annualize ROI for multi-year investments to compare different time horizons.
Compound interest is calculated on principal plus accumulated interest from previous periods. The formula is A = P(1 + r/n)^(nt), where A is final amount, P is principal, r is annual rate, n is compounding frequency, and t is time in years. More frequent compounding (daily vs annually) generates higher returns. Even small differences in interest rates compound significantly over time.
Historical stock market returns average 10% annually, bonds 5-6%, and savings accounts 1-3%. Good returns depend on risk tolerance, time horizon, and asset class. Compare returns against relevant benchmarks (S&P 500 for stocks, bond indices for fixed income). Adjust for inflation to calculate real returns. Higher returns typically require higher risk.
Payback period is calculated by dividing initial investment by annual cash flow or savings. For example, a $100,000 investment generating $25,000 annually has a 4-year payback period. For uneven cash flows, sum annual returns until they equal the initial investment. Shorter payback periods indicate faster capital recovery and lower risk.
Simple returns calculate gains on original principal only. Compound returns calculate gains on principal plus accumulated earnings. Over time, compound returns significantly exceed simple returns. For example, 10% simple return on $1,000 for 10 years yields $2,000, while 10% compound return yields $2,594. Always use compound returns for long-term investment projections.
Compare investments using standardized metrics: annualized return (IRR or CAGR), risk-adjusted return (Sharpe ratio), time horizon, liquidity, and tax implications. Calculate total return including appreciation, dividends, and interest. Factor in all costs including fees, taxes, and opportunity costs. Model different scenarios to understand best-case, base-case, and worst-case outcomes.
Break-even analysis identifies when investment returns equal costs. Calculate break-even by dividing total investment costs by periodic returns. Factor in opportunity costs of capital and inflation. Break-even analysis helps evaluate investment risk and required holding periods. Earlier break-even reduces risk and improves investment attractiveness.
Annualized return (CAGR) is calculated as ((Ending Value / Beginning Value)^(1/Years)) - 1. This normalizes returns across different time periods for comparison. For example, doubling money in 5 years equals 14.87% annualized return. Annualized returns account for compounding and provide standardized comparison across investments with different time horizons.
Yes! All investment calculators are fully licensable and can be white-labeled with your branding. Financial advisors, wealth management platforms, investment platforms, robo-advisors, and fintech companies embed them to engage prospects, demonstrate value, and generate qualified leads. We customize colors, fonts, logic, and styling to match your website perfectly. Book a meeting to discuss licensing and pricing.
CAGR (Compound Annual Growth Rate) is calculated as ((Ending Value / Beginning Value)^(1/Years)) - 1. For example, if $10,000 grows to $20,000 over 5 years, CAGR = (20000/10000)^(1/5) - 1 = 14.87%. CAGR is useful for comparing investments with different time periods because it normalizes returns to an annual basis.
Dividend yield is the annual dividend income expressed as a percentage of stock price. Calculate it as (Annual Dividends per Share / Stock Price) × 100%. For example, a stock priced at $100 paying $4 annually has a 4% dividend yield. Compare dividend yields across stocks to evaluate income-generating potential, but also consider dividend growth rate and payout ratio.

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