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Roth Conversion Calculator
Free Roth conversion calculator that minimizes lifetime tax
Free Roth conversion optimizer with full cash-flow modeling. Enter your IRA, Roth, and brokerage balances, your living expenses, and your income — an optimization model finds the conversion and withdrawal plan that maximizes your after-tax wealth, paying the tax from the right account. Built with Python and PuLP.
Top comment
I've spent 20+ years as an Operations Research analyst — built optimization models in Excel for supply chain and scheduling work, using SolverStudio/PuLP under the hood. When I started planning my own Roth conversions for FIRE, I built myself a proper optimizer instead of using a single-year "should I convert" calculator. Most Roth calculators I found just compare one year's tax bill. Mine treats it as what it actually is — a multi-year optimization problem — and solves for the conversion schedule that minimizes total lifetime tax, not just this year's number. It accounts for tax brackets, IRMAA thresholds, and how conversions today change your RMDs and taxes years down the road. It's completely free, no signup. I built it by porting one of my old Excel models into a small Python web app — happy to answer anything about the tax logic or the build itself.
About Roth Conversion Calculator on Product Hunt
“Free Roth conversion calculator that minimizes lifetime tax”
Roth Conversion Calculator was submitted on Product Hunt and earned 4 upvotes and 5 comments, placing #158 on the daily leaderboard. Free Roth conversion optimizer with full cash-flow modeling. Enter your IRA, Roth, and brokerage balances, your living expenses, and your income — an optimization model finds the conversion and withdrawal plan that maximizes your after-tax wealth, paying the tax from the right account. Built with Python and PuLP.
On the analytics side, Roth Conversion Calculator competes within Investing, Money and Budgeting — topics that collectively have 32.3k followers on Product Hunt. The dashboard above tracks how Roth Conversion Calculator performed against the three products that launched closest to it on the same day.
Who hunted Roth Conversion Calculator?
Roth Conversion Calculator was hunted by Mario. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Roth Conversion Calculator including community comment highlights and product details, visit the product overview.

