Retirement Planning

How to Calculate Your RMD

By
Alexander Harmsen
Alexander Harmsen is the Co-founder and CEO of PortfolioPilot. With a track record of building AI-driven products that have scaled globally, he brings deep expertise in finance, technology, and strategy to create content that is both data-driven and actionable.
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How to Calculate Your RMD

This guide is designed for retirees or those approaching the age of 73 with retirement accounts like IRAs or 401(k)s. Understanding how to calculate Required Minimum Distributions (RMDs) is important for individuals seeking to comply with IRS regulations and maintain financial health throughout retirement. By calculating RMDs accurately, you can avoid penalties and manage your resources more effectively over time. Below is a step-by-step guide to help you understand the process while staying compliant with the latest rules.

Step 1: Determine Your Account Balance

The first step in calculating your RMD is determining your retirement account balance as of December 31 of the previous year. For instance, if you're calculating your RMD for 2024, you will use the balance recorded on December 31, 2023. This figure is the basis for your RMD calculation.

Step 2: Select the Appropriate Life Expectancy Table

Next, consult the IRS life expectancy tables, which help determine the rate at which you must withdraw funds based on your age and personal situation. These tables are updated periodically, so ensure you're using the most recent version:

  • Uniform Lifetime Table: Typically used by most retirees.
  • Joint and Last Survivor Table: Used if your spouse is your sole beneficiary and is more than 10 years younger than you.
  • Single Life Table: Applied to inherited IRAs, depending on specific conditions.

Each table provides a distribution factor that estimates the number of years over which you are expected to withdraw funds.

Step 3: Calculate the RMD

To calculate your RMD, divide your account balance by the distribution factor from the IRS table that applies to your situation. Here’s an example:

  • Example: Alex, who is 75, has an IRA with a balance of $100,000 as of December 31 of the previous year. According to the latest Uniform Lifetime Table, the distribution factor for age 75 is 22.9. Therefore, Alex’s RMD would be calculated as follows:

RMD = $100,000 / 22.9 ≈ $4,367

Alex would be required to withdraw approximately $4,367 from his IRA for that year.

Implications of Inaccurate RMD Withdrawals

  • It is vital to ensure you withdraw at least the RMD amount each year. Failing to do so can result in a penalty of up to 25% of the amount not withdrawn. If corrected quickly, this penalty can be reduced to 10%. To avoid penalties, it may be helpful to schedule your RMD withdrawals at the start of the year or set up automatic withdrawals with your financial institution (IRS).

How Tools Can Support RMD Calculations

Portfolio management tools can assist in tracking your retirement account balances and RMDs. These tools offer a consolidated view of your retirement accounts, making the withdrawal process more organized. They complement professional advice by helping you manage the technical aspects of your financial planning.

A Proactive Approach

It’s important to review your RMD calculations regularly, as IRS regulations, account balances, and life expectancy factors can change over time. Staying informed about these changes and adjusting your retirement strategy as needed can help optimize your withdrawals and minimize tax liabilities.

Staying On Top of Your RMDs

Understanding and calculating RMDs correctly is an important part of managing your retirement finances. By following the steps outlined here, you can ensure that you remain compliant with IRS rules and avoid unnecessary penalties. Using available tools to monitor your accounts and regularly reviewing your financial plan will help you stay prepared for any future changes in regulations or market conditions. For more detailed and specific advice, it’s always a good idea to consult with a professional who can tailor a strategy to your individual needs.

Required Minimum Distributions (RMDs) 2024 – FAQs

How is the starting balance determined for an RMD calculation in 2024?
For a 2024 RMD, the account balance recorded on December 31, 2023, is used as the base for dividing by the IRS distribution factor.
Which IRS life expectancy table applies if your spouse is more than 10 years younger and the sole beneficiary?
The Joint and Last Survivor Table applies, reflecting a longer life expectancy and therefore producing smaller annual required distributions.
What is the Uniform Lifetime Table used for in RMDs?
The Uniform Lifetime Table is used by most retirees to calculate RMDs, providing distribution factors that estimate withdrawals over expected lifespans.
How would a 75-year-old with a $100,000 IRA calculate their RMD under current rules?
Using the Uniform Lifetime Table, a 75-year-old applies a factor of 22.9. Dividing $100,000 by 22.9 results in an RMD of about $4,367 for that year.
What penalty applies if you fail to withdraw your full RMD?
Failure to withdraw at least the RMD can trigger a penalty of up to 25% of the shortfall. If corrected promptly, the penalty may be reduced to 10%.
How can retirees reduce the risk of incurring RMD penalties?
Some retirees schedule withdrawals early in the year or set automatic withdrawals with their financial institutions to ensure timely compliance with IRS requirements.
Which table applies to inherited IRAs under certain conditions?
The Single Life Table applies to inherited IRAs, with withdrawal factors depending on the beneficiary’s age and specific inheritance rules.
How often are IRS life expectancy tables updated?
IRS life expectancy tables are updated periodically, meaning retirees need to ensure they are using the latest version when calculating annual RMDs.
What role can portfolio management tools play in handling RMDs?
Portfolio tools can track account balances, calculate withdrawal needs, and consolidate multiple accounts, streamlining RMD management alongside professional guidance.
What are the tax implications of RMDs?
RMDs are taxed as ordinary income when withdrawn, which can affect annual taxable income and potentially impact retirees’ tax brackets.

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1: As of February 20, 2025