Required Minimum Distribution Calculator
Quickly compute required minimum distribution with accurate formulas. See amortization schedules, growth projections, and side-by-side comparisons.
Reviewed by Sahil, Senior Finance & Tax Editor
Formula
RMD = Account Balance (Dec 31 prior year) / IRS Life Expectancy Factor
The RMD is calculated by dividing the retirement account balance as of December 31 of the previous year by the applicable life expectancy divisor from the IRS Uniform Lifetime Table. The divisor decreases with age, resulting in larger required distributions as you get older.
Worked Examples
Example 1: Standard RMD at Age 73
Problem:A retiree has a traditional IRA balance of $500,000 as of December 31 of the prior year. They are 73 years old and in the 22% tax bracket.
Solution:Account Balance: $500,000\nAge: 73\nUniform Lifetime Table Divisor for age 73: 26.5\nRMD = $500,000 / 26.5 = $18,868\nFederal Tax (22%): $18,868 x 0.22 = $4,151\nAfter-Tax Distribution: $18,868 - $4,151 = $14,717\nWithdrawal Rate: 3.77%\nMonthly Equivalent: $18,868 / 12 = $1,572
Result:RMD: $18,868 | After Tax: $14,717 | Withdrawal Rate: 3.77%
Example 2: Higher Age RMD Calculation
Problem:An 85-year-old has $750,000 in combined traditional IRA balances and is in the 24% tax bracket.
Solution:Account Balance: $750,000\nAge: 85\nUniform Lifetime Table Divisor for age 85: 16.0\nRMD = $750,000 / 16.0 = $46,875\nFederal Tax (24%): $46,875 x 0.24 = $11,250\nAfter-Tax Distribution: $46,875 - $11,250 = $35,625\nWithdrawal Rate: 6.25%\nMonthly Equivalent: $46,875 / 12 = $3,906
Result:RMD: $46,875 | After Tax: $35,625 | Withdrawal Rate: 6.25%
Frequently Asked Questions
What is a Required Minimum Distribution and who must take one?
A Required Minimum Distribution (RMD) is the minimum amount you must withdraw annually from certain tax-advantaged retirement accounts once you reach a specific age. RMDs apply to traditional IRAs, SEP IRAs, SIMPLE IRAs, 401(k) plans, 403(b) plans, 457(b) plans, and similar employer-sponsored retirement plans. Under the SECURE 2.0 Act passed in 2022, the RMD starting age increased to 73 for individuals turning 72 after December 31, 2022, and will increase to 75 starting in 2033. Roth IRAs are exempt from RMDs during the account owner lifetime, making them valuable for estate planning. Failure to take your full RMD by the deadline results in a significant excise tax penalty on the amount not withdrawn.
What is the deadline for taking Required Minimum Distributions?
The general deadline for taking your annual RMD is December 31 of each year. However, there is a special rule for your first RMD year. You have until April 1 of the year following the year you turn 73 to take your first distribution. This is called the required beginning date. Be aware that if you delay your first RMD to April 1, you must also take your second RMD by December 31 of that same year, resulting in two taxable distributions in one year, which could push you into a higher tax bracket. For employer-sponsored plans like 401(k)s, if you are still working and do not own more than 5% of the company, you may delay RMDs until you actually retire, regardless of your age.
What happens if I fail to take my Required Minimum Distribution?
Prior to 2023, failing to take your full RMD resulted in a severe penalty of 50% excise tax on the amount not withdrawn. The SECURE 2.0 Act reduced this penalty to 25% starting in 2023, and further reduces it to 10% if you correct the shortfall within a correction window, typically within two years. For example, if your RMD is $20,000 and you only withdraw $15,000, the $5,000 shortfall would face a 25% penalty of $1,250, or only $500 if corrected promptly. To request a penalty waiver, you must file IRS Form 5329 and attach a letter explaining the reasonable cause for the shortfall. The IRS has historically been fairly lenient in granting waivers when taxpayers can demonstrate the error was unintentional and was promptly corrected.
Can I withdraw more than my Required Minimum Distribution?
Yes, you can always withdraw more than your RMD from your retirement accounts. The RMD is a floor, not a ceiling, on withdrawals. However, any amount withdrawn above the RMD cannot be counted toward future years RMD requirements. Each year stands on its own for RMD calculation purposes. Some retirees choose to take larger distributions in early retirement years when they may be in a lower tax bracket, effectively reducing the account balance and future RMDs. This strategy, sometimes called Roth conversion planning, involves withdrawing extra funds and converting them to a Roth IRA. While you pay taxes on the conversion, the funds grow tax-free in the Roth and are not subject to future RMDs, potentially reducing your overall tax burden over your lifetime.
References
Reviewed by Sahil, Senior Finance & Tax Editor · Editorial policy