RetireCalculator.net

Retirement & Investment Calculators

Free, accurate retirement and investment calculators — nest-egg projections, 401(k) and Roth IRA growth, compound interest, and savings goals. Everything runs in your browser: no account, and nothing you enter is transmitted or stored. Start with the retirement projection below, or jump to how a lump sum plus contributions grows. Every calculator in the directory has its own page with a full guide.

Retirement Calculator

Project your savings to retirement age, then draw an inflation-adjusted income and see how long the nest egg lasts. For the full walkthrough, the drawdown mechanics, and the FAQ, see the dedicated Retirement Calculator page.

Your retirement projection

Enter your ages, savings, contributions, and retirement spending.

Enter your ages, savings, and spending to see the projection.

Investment Growth

Grow a lump sum plus regular monthly contributions at an assumed return, with a clear split between what you put in and what growth added. For the full guide, see the dedicated Investment Calculator page.

Investment growth

Enter a starting amount or a monthly contribution, plus a return and horizon.

Enter an amount or contribution, a return, and a horizon.

Not financial advice: these calculators provide general educational estimates that assume a constant rate of return and exclude taxes, fees, and market volatility. Actual results will differ — confirm consequential figures with a licensed financial professional. Everything is processed locally in your browser and never transmitted.