Side Income to Investment Calculator | Predictable Income

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Side Income to Investment

Map freelance and side-income dollars directly to portfolio growth. Connect your freelance stream to your investment stream.

Your Side Income

Monthly Side Income ($)

Self-Employment Tax Rate 25%

% of After-Tax Income You Invest 80%

Gross Monthly

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→

After Tax

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Investment Assumptions

Current Portfolio ($)

Time Horizon 20 years

Expected Annual Return 7.0%

Portfolio From Side Income

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Monthly Invested

—

after taxes + allocation

Total Contributions

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over full horizon

Portfolio Growth — Contributions vs Compound Growth

Your freelance side income alone builds — over — years. That's — of pure compound growth on top of your contributions. This is what it means to connect the income streams.

Side Income to Investment Calculator

Freelance income is worth dramatically more when it flows directly into your investment portfolio instead of funding lifestyle inflation. Our Side Income to Investment Calculator maps the entire path from your monthly side income all the way to your long-term portfolio balance. Enter your monthly freelance or side income, your self-employment tax rate, and the percentage of after-tax income you actually invest, and the calculator shows your gross-to-after-tax flow, your monthly investment amount, and the portfolio that income alone builds over your chosen horizon. It also separates out how much of that final portfolio is pure compound growth versus your contributions, so you can see the engine at work. This is the core of the Predictable Income three-stream framework, connecting freelance income directly to investment income and making the path between them visible in dollars.