The same math the CoastIQ app uses, free in your browser. No signup and no email. Enter your numbers and get a figure you can act on today. Every calculator projects in today's dollars using a real rate of return, and shows its formula so you can check the work.
The amount that, left alone to compound, funds retirement at your target age — and whether you have already hit it.
Coast FIRE with part-time income in retirement, so your portfolio covers a smaller gap.
Your annual spending divided by your safe withdrawal rate, plus lean and fat variants.
Turn a portfolio into a safe annual and monthly withdrawal, or work the number backward.
The age you reach full financial independence at your current savings rate.