Secure & Private (Zero Data Retention)
Free Access • No Sign-Up
IRS Required Minimum Distribution (RMD) Calculator
Under the SECURE 2.0 Act and Treasury Reg. § 1.401(a)(9), calculate mandatory annual withdrawals from Traditional IRAs, 401(k)s, and 403(b)s, explore Qualified Charitable Distributions (QCDs), and project multi-year tax obligations.
$
SECURE 2.0 statutory starting age.
Must be ≥ statutory starting age.
$
Max $105,000 direct charity gift (tax-free).
Mandatory Annual RMD
$26,423
$2,202 / mo
IRS Table III Divisor
24.6
4.07% of portfolio
Net Taxable Distribution
$26,423
Est. Tax: $5,813 (22%)
Net Spendable Cash Flow
$20,610
$1,717 / mo
🚨 Missed RMD Excise Tax Penalty Estimator
SECURE 2.0 / IRC § 4974
Calculate the exact IRS excise penalty if you failed to withdraw all or part of your mandatory distribution by December 31:
The Internal Revenue Code mandates that RMDs be computed strictly by dividing the prior December 31 fair market value by your life expectancy factor from the IRS Uniform Lifetime Table (Table III):
Step 1: Baseline Fair Market Value (Dec 31 Prior Year)
Step 4: Qualified Charitable Distribution (QCD) & Taxable Net
Net Taxable Distribution = $26,422.76 - $0.00 (QCD) = $26,422.76. Est. Tax (22%) = $5,813.01.
⚠️5 Critical IRS RMD Traps & Tax Penalties
🚨The 25% Missed RMD Excise Tax (IRC § 4974)
If you fail to withdraw your full required distribution by December 31, the IRS levies a punitive 25% excise tax on the shortfall. Under the SECURE 2.0 Act, this penalty is reduced to 10% if corrected in a timely manner within the two-year correction window and filed via IRS Form 5329. If the missed distribution was due to reasonable error, you can submit a written waiver request with reasonable cause documentation.
The IRS grants a grace period allowing you to delay your very first RMD until April 1 of the year following the year you reach your RMD age (73 or 75). However, waiting until April 1 forces you to take TWO mandatory distributions within that single tax year (your Year 1 deferred RMD plus your Year 2 RMD by December 31). This income bunching often thrusts seniors into significantly higher tax brackets and elevates Social Security taxation.
🏥The Medicare IRMAA Surcharge Cliff
Every dollar of your RMD increases your Modified Adjusted Gross Income (MAGI). Exceeding Medicare Income-Related Monthly Adjustment Amount (IRMAA) tier thresholds by even $1 triggers substantial monthly surcharges on both Medicare Part B medical insurance and Part D prescription drug plans for both spouses two years later, often adding thousands of dollars in unexpected annual healthcare costs.
⚖️Aggregation Rules: IRAs vs Workplace 401(k) / 403(b) Accounts
You are permitted to aggregate the total calculated RMD amounts across all your traditional, SEP, and SIMPLE IRAs and withdraw the entire sum from a single IRA. However, workplace plans like 401(k)s, 403(b)s, and 457(b)s cannot be cross-aggregated. Each active or rollover 401(k) must satisfy its own RMD individually from that specific plan; withdrawing extra from an IRA does not satisfy a 401(k) RMD.
📜The Inherited IRA 10-Year Depletion Mandate
Under the SECURE Act and SECURE 2.0 regulations, non-spouse designated beneficiaries can no longer "stretch" inherited IRA distributions over their lifetime. Instead, the entire account balance must be fully liquidated by December 31 of the 10th year following the owner's death, frequently forcing adult children in their peak earning years into the 32%, 35%, or 37% tax brackets if distributions are not proactively managed.
IRS RMD Calculation Formula & Table III Actuarial Factors
Required Minimum Distributions are governed by Internal Revenue Code § 401(a)(9) and Treasury Regulation § 1.401(a)(9)-9 using the Uniform Lifetime Table:
1. Mandatory Annual RMD Equation:
RMDt = (Fair Market Value of Account as of Dec 31 of Prior Year) / (IRS Table III Life Expectancy Factor)
2. SECURE 2.0 Starting Age Milestones:
• Born 1951 - 1959: Mandatory RMD starting age = 73
• Born 1960 or later: Mandatory RMD starting age = 75
3. Uniform Lifetime Table III Sample Divisors:
Age 73 = 26.5 (3.77%) | Age 75 = 24.6 (4.07%) | Age 80 = 20.2 (4.95%) | Age 85 = 16.0 (6.25%) | Age 90 = 12.2 (8.20%)
Reduced to 0.10 if timely corrected within 2-year statutory correction window via IRS Form 5329.
5 Fatal Traps in IRS Required Minimum Distributions
1. The 25% Missed RMD Excise Tax Penalty
Failing to withdraw your full RMD by December 31 triggers an immediate 25% federal excise tax on the undistributed amount under IRC § 4974. Although SECURE 2.0 lowered this from the previous draconian 50% penalty (and permits a reduction to 10% if corrected within two years), it remains one of the harshest penalties in the Internal Revenue Code.
2. First-Year April 1 Double Distribution Tax Trap
Retirees reaching age 73 have until April 1 of the following year to take their very first RMD. However, deferring your first distribution to April 1 forces you to take TWO full RMDs in that second calendar year (the deferred first RMD by April 1, and the second RMD by December 31). Stacking two distributions into a single tax year often pushes you into higher tax brackets and triggers IRMAA Medicare surcharges.
3. Aggregating RMDs Across Employer Plans (401k / 403b)
While the IRS permits aggregating RMDs across multiple traditional IRAs and withdrawing the entire sum from a single IRA, you CANNOT aggregate 401(k) or 403(b) accounts with IRAs or with other 401(k) plans. Each employer-sponsored plan must distribute its own standalone RMD. Taking an employer plan's RMD from an IRA leaves the employer plan in default.
4. Overlooking Qualified Charitable Distributions (QCDs)
Retirees aged 70½ and older can transfer up to $105,000 per year directly from a traditional IRA to a qualified 501(c)(3) charity. A QCD satisfies your mandatory RMD dollar-for-dollar without adding a single dollar to your Adjusted Gross Income (AGI). Claiming a regular RMD and taking a standard deduction forfeits this powerful tax shelter.
5. SECURE 2.0 Starting Age Confusion (Age 73 vs 75)
The SECURE 2.0 Act phased in new starting ages: individuals born between 1951 and 1959 start RMDs at age 73, while those born in 1960 or later do not begin until age 75. Relying on legacy advice or online calculators that use the repealed age 70½ or age 72 rules causes unnecessary premature taxable distributions.
Frequently Asked Questions
What is the RMD starting age under the SECURE 2.0 Act?+
Under the SECURE 2.0 Act passed by Congress, the mandatory starting age for Required Minimum Distributions (RMDs) is phased: individuals born between 1951 and 1959 must begin taking RMDs at age 73. Individuals born in 1960 or later begin taking RMDs at age 75. Those born in 1950 or earlier remain subject to the previous age 72 or 70½ rules.
How is an IRS Required Minimum Distribution calculated using Table III?+
The annual RMD is calculated by taking your pre-tax account balance as of December 31 of the prior calendar year and dividing it by your life expectancy factor from IRS Uniform Lifetime Table III (Treasury Reg. § 1.401(a)(9)-9). For example, at age 75, the factor is 24.6, requiring a distribution of approximately 4.065% of your prior year-end balance.
What is the penalty for missing an RMD deadline?+
Under Internal Revenue Code § 4974 as updated by SECURE 2.0, failing to withdraw your full RMD by December 31 incurs an excise tax penalty of 25% on the shortfall amount (down from 50% historically). If the error is corrected within the statutory correction window (generally 2 years) and submitted with IRS Form 5329, the penalty is reduced to 10%.
How do Qualified Charitable Distributions (QCDs) reduce RMD taxes?+
Individuals aged 70½ or older can donate up to $105,000 per year directly from a Traditional IRA to a qualified 501(c)(3) public charity as a Qualified Charitable Distribution (QCD). The donated amount counts directly toward satisfying your mandatory RMD but is 100% excluded from your Adjusted Gross Income (AGI), preventing tax bracket escalation and Medicare IRMAA surcharges.
Can I aggregate RMDs across multiple IRAs and workplace 401(k) plans?+
You can aggregate RMD calculations across all your Traditional IRAs, SEP IRAs, and SIMPLE IRAs and withdraw the entire cumulative sum from one single IRA account. However, you CANNOT aggregate workplace plans: each separate 401(k), 403(b), or 457(b) account requires its own distinct RMD distribution calculated and disbursed directly from that employer plan.