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Compound Growth · 30 yrs

+$745,180

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Sample Allocation

70% Stocks · 25% Bonds · 5% Cash

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Every calculator you need

10 MVP tools, grouped by intent.

Growth & Returns

CAGR Calculator

Compute the compound annual growth rate of an asset.

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Compound Interest Calculator

See how your money grows with compounding over time.

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Dollar Cost Averaging Calculator

Compare dollar-cost averaging vs lump-sum investing.

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ROI Calculator

Measure total and annualized return on any investment.

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Stock Trading

Options Profit Calculator

Plot profit/loss and break-even for calls & puts.

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Stock Cost Basis Calculator

Average cost basis across multiple purchases.

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Stock Profit Calculator

Profit/loss and percentage return on a stock trade.

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Income & Portfolio

Bond Yield Calculator

Current yield and yield to maturity (YTM).

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Dividend Reinvestment (DRIP) Calculator

Project wealth from reinvested dividends.

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Portfolio Rebalancing Calculator

Exact buy/sell amounts to hit target allocation.

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Latest Guides

All guides →
Guides 8 min read

CAGR vs Average Return: Understanding the Difference
Guides 12 min read

Dividend Investing: Complete Beginner's Guide
Comparisons 11 min read

Dollar Cost Averaging vs Lump Sum Investing
Guides 9 min read

The Power of Compound Interest

Numbers you can actually trust

SmartStockCalcs is a focused calculator hub — every tool shows its formula and data sources, runs instantly, and never asks for an account. We don't give financial advice. We give you transparent, accurate math.

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Investment Disclaimer: Calculations are estimates based on assumptions. Past performance does not guarantee future results. Investments involve risk, including potential loss of principal. SmartStockCalcs is not a registered investment advisor. For educational purposes only — consult a licensed financial advisor before making investment decisions.