After-Tax Engineering
For tech workers, HENRYs & analytical investors

Build more wealth, after taxes.

Frameworks, calculators, and tax-aware decision models for high-income earners who want to keep more of what they make.

Updated for 2026 IRS limits No login required Open, auditable formulas Free. Always.

What's here

Frameworks and tools across four areas of after-tax wealth.

The After-Tax Brief

New frameworks, calculator releases, and tax-aware analysis — for high-income professionals who want the numbers, not the hype. Free.

The decision framework

Every strategy on this site gets evaluated on the same criteria — not just the tax benefit:

  1. 1. What are the pre-tax economics?
  2. 2. What is the after-tax return?
  3. 3. What is the risk-adjusted return?
  4. 4. What is the liquidity cost?
  5. 5. What is the complexity and admin burden?
  6. 6. What is the audit and legal risk?
  7. 7. What is the opportunity cost versus simple index investing?
Start with the full framework →