Required Minimum Distribution (RMD) Calculator

Required Minimum Distribution rules have undergone significant changes with the SECURE Act and SECURE 2.0, pushing the starting age to 73 and reducing penalties for missed distributions. Understanding the current RMD rules is essential for anyone approaching retirement or already withdrawing from tax-deferred accounts like Traditional IRAs, 401(k)s, and 403(b)s.

When Required Minimum Distributions Begin

Under SECURE 2.0, RMDs now begin at age 73 for individuals born between 1951 and 1959. Those born in 1960 or later will not need to start RMDs until age 75. Your first RMD must be taken by April 1 of the year following the year you turn 73 (or 75). All subsequent RMDs are due by December 31 of each year.

Delaying your first RMD to April 1 of the following year means you may need to take two RMDs in that second year, one for the prior year and one for the current year. This double distribution can push you into a significantly higher tax bracket. Most financial advisors recommend taking your first RMD in the year you turn 73 to avoid this tax spike.

How to Calculate Your Required Minimum Distribution

The RMD formula is straightforward: divide your account balance as of December 31 of the prior year by the distribution period from the IRS Uniform Lifetime Table. At age 73, the distribution period is 26.5 years, resulting in a withdrawal rate of approximately 3.77%. At age 80, the period drops to 20.2 years, increasing the withdrawal rate to about 4.95%. By age 90, you must withdraw roughly 8.2% of your balance annually.

If your spouse is your sole beneficiary and is more than 10 years younger than you, you can use the Joint Life and Last Survivor Expectancy Table instead, which produces a longer distribution period and smaller RMDs. This is the only exception to the standard Uniform Lifetime Table.

RMD Rules for Different Account Types

Traditional IRAs, SEP IRAs, and SIMPLE IRAs all require RMDs. If you have multiple IRAs, you calculate the RMD for each account separately but can take the total distribution from any one or combination of your IRAs. 401(k) and 403(b) accounts also require RMDs, but each plan's RMD must be taken from that specific plan and cannot be aggregated with IRA RMDs.

Roth IRAs do not require RMDs during the owner's lifetime. Starting in 2024, Roth 401(k)s and Roth 403(b)s are also exempt from RMDs, thanks to SECURE 2.0. This makes Roth accounts an excellent vehicle for tax-free growth if you do not need the funds. Consider using our inherited IRA calculator to understand how your beneficiaries will be affected after your death.

Penalties for Missing Your RMD

SECURE 2.0 reduced the penalty for missed RMDs from 50% to 25% of the shortfall amount. If you correct the mistake within two years by taking the missed distribution, the penalty drops further to just 10%. On a missed $20,000 RMD, the penalty would be $5,000 at the 25% rate or $2,000 if corrected promptly. Always set calendar reminders and consider automating your distributions to avoid penalties.

A Roth conversion strategy can dramatically reduce your future Required Minimum Distributions by moving money from tax-deferred accounts to Roth accounts, which have no RMDs during your lifetime. While you pay taxes on the conversion amount today, the long-term tax savings can be substantial, especially for retirees who do not need their RMD income.

How Roth Conversions Reduce Future RMDs

Every dollar converted from a Traditional IRA to a Roth IRA reduces the balance subject to future RMDs. A retiree with $1 million in a Traditional IRA who converts $200,000 to a Roth reduces their RMD-subject balance to $800,000. At age 73, this reduces the annual RMD from approximately $37,700 to $30,200, saving $7,500 per year in forced taxable income.

The converted funds then grow tax-free in the Roth IRA with no future distribution requirements. Over 20 years of tax-free growth at 6% annually, that $200,000 conversion grows to approximately $641,000 in completely tax-free wealth.

The Optimal Window for Roth Conversions

The most tax-efficient time for Roth conversions is typically between retirement and age 73, when you may be in a lower tax bracket. During this window, you have no employment income and no RMDs, creating a gap where conversions can fill lower tax brackets at minimal cost. Converting $50,000-$100,000 per year during this window can significantly reduce your future tax burden.

Be careful not to convert so much in one year that you push yourself into a higher bracket. The goal is to fill the 12% or 22% brackets with conversion income, not to convert everything at once at the 32% or 37% rate. Spread conversions across multiple years for the best tax outcome.

Impact on Social Security Taxes and Medicare Premiums

Roth conversions increase your taxable income in the year of conversion, which can temporarily increase Social Security taxation and trigger Medicare IRMAA surcharges. Up to 85% of Social Security benefits become taxable when income exceeds $44,000 for married couples. Medicare Part B and Part D premiums increase when modified adjusted gross income exceeds $206,000 for couples in 2024.

Plan your conversion amounts carefully to stay below these thresholds. Use our Social Security optimizer to coordinate your claiming strategy with your Roth conversion plan. The tax savings from reduced future RMDs often far outweigh the temporary increase in Social Security taxation during the conversion years.

Roth Conversion Considerations for Estate Planning

Roth conversions can be especially valuable for estate planning. Your heirs will inherit the Roth IRA tax-free and still benefit from 10 years of tax-free growth under the SECURE Act's 10-year rule. In contrast, inherited Traditional IRAs create taxable income for beneficiaries who may already be in their peak earning years. A $500,000 Roth inheritance passed to a child in the 32% tax bracket saves them approximately $160,000 in taxes compared to inheriting the same amount in a Traditional IRA. Explore these scenarios with our inherited IRA calculator.

Required Minimum Distributions can add tens of thousands of dollars to your taxable income each year, potentially pushing you into higher tax brackets and triggering additional taxes on Social Security benefits. Fortunately, several proven strategies can help minimize the tax impact of your RMDs while keeping you compliant with IRS rules.

Qualified Charitable Distributions: The Most Powerful RMD Tax Strategy

If you are 70 1/2 or older, you can direct up to $109,000 per year (2026 limit, adjusted annually for inflation) from your IRA directly to qualified charities through a Qualified Charitable Distribution. QCDs satisfy your RMD requirement while excluding the distribution from taxable income entirely. Unlike a regular distribution followed by a charitable deduction, a QCD reduces your adjusted gross income, which can lower Social Security taxation, reduce Medicare premiums, and decrease your overall tax rate.

For a retiree with a $25,000 annual RMD who donates $10,000 to charity, directing that donation as a QCD instead of taking the full RMD and making a separate donation saves approximately $2,400-$3,700 in taxes depending on the marginal rate, while achieving the same charitable impact.

Strategic Account Ordering to Reduce Lifetime RMDs

The order in which you draw from different account types significantly affects your lifetime tax burden. In early retirement before RMDs begin, consider spending from taxable accounts first, then tax-deferred accounts, and preserving Roth accounts for last. This approach can reduce the balance of tax-deferred accounts before RMDs begin, lowering future required withdrawals.

Some advisors recommend a more nuanced approach: fill lower tax brackets with Traditional IRA withdrawals in early retirement, use Roth conversions to manage bracket boundaries, and maintain a cash reserve from taxable accounts for spending. The goal is to arrive at age 73 with a smaller Traditional IRA balance and a larger Roth balance.

Offsetting RMD Income With Tax-Loss Harvesting

Capital losses from your taxable investment portfolio can offset up to $3,000 of ordinary income per year, including RMD income. While this amount seems small, consistently harvesting losses and carrying them forward can provide ongoing tax relief against your RMDs. In years with significant market downturns, harvesting larger losses creates a carryforward that offsets RMD income for multiple future years. Our tax-loss harvesting calculator can help you quantify the potential savings.

Timing and Reinvestment of RMD Proceeds

If you do not need your RMD for living expenses, reinvest it immediately in a taxable brokerage account. While you cannot avoid the tax on the distribution, you can maintain your investment exposure. Consider investing in tax-efficient index funds or municipal bonds to minimize additional taxes on the reinvested RMD proceeds.

Taking your RMD early in the year versus late in the year has minimal tax impact since the amount is the same regardless of timing. However, taking it early ensures you do not accidentally miss the December 31 deadline. Some investors prefer systematic monthly withdrawals that mimic a paycheck, which can simplify budgeting and provide regular income throughout retirement. Use our retirement savings calculator to model how your portfolio sustains these distributions over a 30+ year retirement.