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    Retirement

    Plan for a retirement you can actually enjoy. Understand 401(k)s, IRAs, pensions, Social Security, and withdrawal strategies — and use our calculators to project exactly how much you'll need.

    Guides

    401(k) and IRA concept with green retirement account icons over a navy background
    Retirement

    The Ultimate Guide to 401(k) and IRA

    401(k)s and IRAs are the two pillars of retirement saving in America. Here's how they work, how they differ, and how to use both to maximize your tax-advantaged growth.

    2026-08-2812 min read

    Calculators

    Retirement Savings Calculator

    Estimate how much you need for retirement and whether your current savings plan is on track.

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    401(k) Calculator

    Estimate your 401(k) growth and projected retirement income.

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    Roth IRA Calculator

    Project your Roth IRA balance with tax-free growth and withdrawals.

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    Traditional IRA Calculator

    Project your Traditional IRA balance and upfront tax deduction.

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    SEP IRA Calculator

    Estimate your SEP IRA contribution limit and tax-deferred growth.

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    403(b) Calculator

    Project your 403(b) balance including employer contributions.

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    TSP Calculator

    Project your TSP balance including the federal agency match.

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    Annuity Calculator

    Calculate the periodic payout of a fixed annuity over time.

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    Pension Calculator

    Estimate your defined-benefit pension income.

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    Social Security Benefits Calculator

    Estimate your monthly Social Security benefit.

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