Retirement Calculators
Retirement math has a lot of moving parts. These tools break it down piece by piece, whether you are just starting to save or already thinking about early retirement. They share the same growth and inflation assumptions, stated on the Methodology page.
Retirement Calculator Enter your age, savings, and monthly contribution to see what your retirement balance could become, shown both in future dollars and in today’s purchasing power. IRA Growth Calculator See how regular IRA contributions can grow over time with monthly compounding. Mega Backdoor Roth Calculator Calculate the extra after-tax 401(k) contributions you can make and convert to Roth, on top of your normal deferral and employer match. Coast FIRE Calculator Coast FIRE is the amount invested today that grows into your full retirement target on its own, letting you stop adding new money. FIRE Number Calculator Your FIRE number is the portfolio that can cover your annual expenses at a safe withdrawal rate — 25 times expenses at the classic 4% rate.