Engineered Finance

Financial planning tools built for engineers. Show the math, expose the assumptions, tune the inputs.

tools

Roth Conversion Optimizer

The annual bracket question is the wrong frame for the overall conversion decision. Here's a 20-year model showing what systematic conversions actually cost — and what skipping them costs your heirs.

21 May 2026 · 13 min read

tools

Should You Refinance? The Full Analysis

Is a lower rate always better? Should I apply extra payments to the loan principal or to my Roth IRA? Let's face it,

21 May 2026 · 13 min read

fundamentals

What Is an Index Fund?

"Tracks the market" is technically accurate and practically useless. Here's how index funds actually replicate a benchmark, why active management faces a mathematical headwind after costs, and what concentration you take on when you buy one.

21 May 2026 · 8 min read

fundamentals

Pre-Tax vs. Roth: The Math Behind the Choice

Both account types produce identical after-tax wealth under one specific condition. Understanding where that equivalence holds — and exactly where it breaks — is more useful than any rule of thumb.

21 May 2026 · 7 min read

fundamentals

The Time Value of Money

Money has a time dimension. Here's the framework for measuring it precisely and why it sits beneath almost every financial calculation worth making.

12 May 2026 · 10 min read

fundamentals

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analysis

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tools

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News

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This is Engineered Finance, a brand new site by Engineered Finance that's just getting started. Things will be up and running here shortly,

11 May 2026 · 1 min read