Run Your Number - Free 401(k), HSA, IRA & Portfolio Calculators

Enter your actual contributions to see your savings rate, investment rate, and how your accounts will grow.

Optimize tax-efficient retirement contributions across 401(k), HSA, IRA, and brokerage accounts with growth projections.

Track assets and liabilities over time to visualize your financial progress.

Define flows as text or table to visualize where your money goes each month.

Analyze your current asset allocation and get actionable buy/sell recommendations to hit your target portfolio mix.

See how your money grows over time with compound interest, monthly contributions, and rate variance bands.

Which Tool Should I Start With?

Wondering if you're saving enough? The Savings Rate Calculator shows your savings rate, flags IRS limit issues, and projects how your accounts will grow.
Just got a raise or changed jobs? The Investment Optimizer shows the tax-efficient order to fill your 401(k), HSA, IRA, and brokerage.
Tracking where your paycheck goes? The Money Flow Analyzer maps every dollar from income to expenses in a visual flow diagram.
Portfolio drifted from your target? The Portfolio Rebalancer tells you exactly what to buy and sell to get back on track.
Want to see how savings compound? The Compound Interest Calculator projects growth with rate variance bands so you see best- and worst-case outcomes.
Time for an annual financial checkup? The Net Worth Tracker turns it into a 5-minute exercise with year-over-year charts.

No signup, no account linking. Enter your numbers and get results in seconds.

Everything runs in your browser. Nothing is sent to a server. Inputs are saved to your device.

Multi-variable projections, year-by-year breakdowns, and interactive charts — not single-formula results.