72(t) SEPP Calculator
IRC Section 72(t) allows holders of traditional IRAs and employer retirement accounts to take penalty-free distributions before age 59.5 if they commit to a schedule of substantially equal periodic payments (SEPPs). The withdrawals must continue for the longer of five years or until the account holder reaches age 59.5; early modification of the schedule before that period ends triggers the 10% early withdrawal penalty retroactively on all prior payments, plus interest. The IRS approved three calculation methods in Notice 2022-6. The required minimum distribution method divides the account balance by the IRS single life expectancy factor for your age each year, producing payments that fluctuate annually. The fixed amortization method uses your current balance, a specified interest rate (capped at 120% of the federal mid-term applicable federal rate), and your single life expectancy to compute a fixed annual payment that never changes. The fixed annuitization method divides the account balance by an annuity factor derived from the same interest rate and life expectancy, also producing a fixed annual payment. This calculator computes the annual and monthly payment under all three methods for your account balance and age, shows the total distributions over the full SEPP period, and estimates the income tax owed at your marginal rate so you can compare each method and choose the one that best meets your cash-flow needs.
With a retirement account of $400,000 at age 48, the RMD method produces an annual payment of --, lasting until age 59.5 or longer.
How 72(t) SEPP calculations work
IRC Section 72(t) exempts from the 10% early-withdrawal penalty any distribution that is part of a series of Substantially Equal Periodic Payments (SEPP). The three IRS-approved methods are:
RMD Method: Divide account balance each year by the IRS Single Life Table factor for your age. The payment varies each year as the balance changes. Example: age 48, life expectancy factor 38.4, then at age 49 factor 37.4, etc. This is the most conservative and flexible method.
Fixed Amortization: Calculate one fixed annual payment from the starting balance using an assumed interest rate and your life expectancy factor. The payment does not change year to year, regardless of market performance. Formula: payment = balance / (sum of discount factors), where each factor = 1 / (1 + r)^n.
Fixed Annuitization: Similar to Fixed Amortization, but uses an annuity factor derived from mortality tables. The result is typically similar to Fixed Amortization.
RMD: annual payment = account balance / life expectancy factor
Fixed: annual = balance / (amortization factor at assumed rate r and age)
SEPP period = max(5 years, until age 59.5)
72(t) SEPP risks and considerations
The 72(t) SEPP is a powerful tool for accessing retirement savings early without penalty, but it comes with strict rules. The most critical rule: you must continue the SEPP for the longer of 5 years or until age 59.5. Any modification before that time period ends causes loss of the penalty exemption on all prior distributions, plus interest.
Modifications include: stopping the distribution, reducing the amount (in most cases), increasing the amount, or switching methods (with limited flexibility). A one-time switch from Fixed methods to RMD is allowed, but that is the only exception.
Because of this commitment, individuals using 72(t) SEPP should ensure the payment amount is sustainable for their situation. If you expect your income to change significantly or you may need to access more cash before age 59.5, the SEPP may not be appropriate. Consult a tax professional before implementing a 72(t) strategy.
72(t) SEPP calculator: frequently asked questions
What is IRC Section 72(t) and when can I use it?
IRC Section 72(t) allows you to make penalty-free withdrawals from retirement accounts (IRAs, 401(k)s, etc.) before age 59.5. Normally, early withdrawals trigger a 10% penalty plus income tax. However, if you follow a schedule of Substantially Equal Periodic Payments (SEPP), the penalty is waived. You must continue the SEPP for the longer of 5 years or until you reach age 59.5. This rule is useful for early retirees, career changers, and others who need retirement income before traditional retirement age.
What are the three methods for calculating SEPP payments?
The IRS allows three methods per Notice 2022-6: (1) Required Minimum Distribution (RMD) method: divide the account balance by the life expectancy factor each year, resulting in variable annual payments; (2) Fixed Amortization: calculate one fixed annual payment based on the starting balance, an assumed interest rate (capped at 120% of federal mid-term AFR), and life expectancy, which remains constant each year; (3) Fixed Annuitization: divide the starting balance by an annuity factor (derived from IRS mortality tables and the assumed rate) to get a fixed payment. Methods 1, 2, and 3 all satisfy the SEPP requirement.
Can I switch between methods?
Yes, but with limits. You can make a one-time switch from Fixed Amortization or Fixed Annuitization to the RMD method. Once you switch to RMD, you cannot switch back. This flexibility is useful if market returns differ significantly from your assumptions or if you need to reduce payments during an economic downturn.
What is the federal mid-term AFR and why does it matter?
The federal mid-term Applicable Federal Rate (AFR) is published monthly by the IRS and reflects current prevailing interest rates. For Fixed Amortization and Annuitization methods, you choose an assumed interest rate capped at 120% of the federal mid-term AFR. A higher interest rate produces larger annual payments, while a lower rate produces smaller payments. In 2026, the AFR is typically in the 4-5% range; check irs.gov/applicable-federal-rates for the current month.
What happens if I modify the SEPP before the required period ends?
If you stop or modify your SEPP schedule before completing the longer of 5 years or age 59.5, you lose the penalty exemption on all prior distributions. The IRS will recalculate the penalty on all prior withdrawals, charge 10% penalty plus interest from the date of each withdrawal. This can result in a substantial tax bill. For example, if you take five years of SEPP and stop early, you owe 10% penalty on all five years of withdrawals plus interest. This is why SEPP requires careful commitment to the schedule.
Does the RMD method produce lower or higher payments than Fixed methods?
It depends on the assumed interest rate and market conditions. The RMD method is conservative (typically produces lower payments) because it recalculates each year using the current balance and life expectancy. Fixed Amortization and Annuitization methods are locked in at inception. If the market falls sharply, the RMD method may produce lower payments (good if you want flexibility). If the market rises, Fixed methods may be lower if you used a low assumed rate. Many people start with Fixed and keep the option to switch to RMD if circumstances change.
Official sources
- IRS Notice 2022-6 (guidance on 72(t) methods): Notice 2022-6 PDF.
- IRC Section 72(t) (the statute governing SEPP).
- IRS Publication 590-B (distributions): Publication 590-B.
- IRS Applicable Federal Rates: AFR Monthly Rates.
Reviewed by the CalculatorHub team, edited by James Graham, 13 June 2026. See our methodology. General information, not financial advice.