Required Minimum Distribution (RMD) Calculator
Calculate your annual mandatory retirement account withdrawals per IRS rules
Balance as of December 31 of the prior tax year
Must be the age you turn by December 31 of the distribution year
Uniform Lifetime Table applies to most individual retirement account holders
Enter the factor from your selected IRS table for your age
RMD Calculation Results
RMDs are mandatory for most retirement accounts starting at age 73 (born 1951-1959) or 75 (born 1960+).
How to Use This Tool
Follow these steps to calculate your RMD accurately:
- Enter your retirement account balance as of December 31 of the prior tax year.
- Input your age as of December 31 of the current distribution year.
- Select the IRS life expectancy table that applies to your situation.
- If using the Joint and Last Survivor or Single Life Expectancy table, enter the corresponding life expectancy factor from the IRS publication.
- Click Calculate RMD to view your results.
- Use the Reset button to clear all inputs and start over.
Formula and Logic
RMDs are calculated using the following IRS-mandated formula:
RMD = Prior Year-End Account Balance ÷ Life Expectancy Factor
The life expectancy factor is derived from the IRS Uniform Lifetime Table (for most filers) or the Joint and Last Survivor Table (if your spouse is more than 10 years younger than you) or Single Life Expectancy Table (for inherited IRAs). This tool uses the official 2024 IRS Uniform Lifetime Table factors for ages 70 to 120.
Practical Notes
Keep these finance-specific tips in mind when using your RMD results:
- RMDs apply to traditional IRAs, 401(k)s, 403(b)s, and other tax-deferred retirement accounts. Roth IRAs do not require RMDs during the owner's lifetime.
- The SECURE 2.0 Act raised the RMD start age to 73 for individuals born between 1951 and 1959, and 75 for those born in 1960 or later. Verify your start age with current IRS rules.
- Failing to take your full RMD by the December 31 deadline results in a 25% penalty on the amount not withdrawn (reduced to 10% if corrected within 2 years).
- RMDs are taxed as ordinary income in the year they are distributed. Plan for potential tax liabilities accordingly.
- You can withdraw more than the RMD amount, but you cannot count excess withdrawals toward future years' RMDs.
Why This Tool Is Useful
This calculator simplifies compliance with complex IRS RMD rules:
- Avoid costly penalties by calculating your exact mandatory withdrawal amount.
- Financial planners can use this to model distribution scenarios for clients.
- Compare RMD impacts across multiple retirement accounts by calculating each separately.
- Plan your annual budget by factoring in taxable RMD income early in the year.
Frequently Asked Questions
What if I have multiple retirement accounts?
You must calculate RMDs for each tax-deferred account separately. If you have multiple IRAs, you can aggregate the RMD amounts and withdraw the total from one or more IRAs. 401(k) RMDs cannot be aggregated with IRAs and must be taken from the specific 401(k) plan.
Can I delay my first RMD?
You can delay your first RMD until April 1 of the year after you turn the required start age. However, this means you will have to take two RMDs in that year (one for the prior year, one for the current year), which may push you into a higher tax bracket.
Are RMDs required for Roth 401(k)s?
Yes, Roth 401(k)s are subject to RMDs starting at the required age. However, you can roll your Roth 401(k) into a Roth IRA before the RMD start age to avoid RMDs entirely, as Roth IRAs have no lifetime RMD requirements for the original owner.
Additional Guidance
Always verify your RMD calculations with the most recent IRS Publication 590-B or a qualified tax professional. RMD rules can change with new legislation, such as updates from the SECURE 2.0 Act. Keep records of all RMD withdrawals for tax filing purposes, and consider setting up automatic withdrawals from your retirement accounts to avoid missing deadlines.