Finance calculators

72t Calculator

Updated Aug 19, 2026 By Jehan Wadia
Rate Formulas

Account Owner & Balance

Owner must be under age 59½ to start a SEPP plan.
Statement date the balance below is measured on (may differ from today).
Starts the 5-year clock and sets the two AFR months you may use.
$
Balance used as the base for all three IRS methods. Slider range: $0 – $5,000,000.

Interest Rate & Projection Assumptions

%
Used by the Amortization and Annuitization methods. Range: 0.00% – 12.00%.
120% AFR:
Maximum rate you may use: —
%
Drives the projected balance column in the year-by-year table only. Range: -12% – 12%.
Life Expectancy Table
Distribution Frequency
The IRS calculation is always annual; this only splits the annual amount for display.

Beneficiary Details

Include Beneficiary
Selecting the Joint Life Expectancy table above requires beneficiary details.
Only a sole-beneficiary spouse qualifies for the Joint Life table.
Used for the Joint Life Expectancy factor lookup.
Beneficiary Age / Age Gap

SEPP Period Summary
Owner's Calculated Age (at valuation)
Age 59½ Milestone Date
5-Year Rule End Date
Required SEPP End Date
Total SEPP Duration

The IRS requires SEPP distributions to continue for the longer of: 5 full years OR until you reach age 59½.

Three IRS-Approved Methods — Side by Side

Required Minimum Distribution (RMD)

annual distribution (Year 1)
Life expectancy factor
Table used
Recalculated yearly?
Yes

This amount is recalculated each year as your account balance changes. It typically produces the lowest annual distribution.

Fixed Amortization

annual distribution (fixed)
Amortization term (factor)
Interest rate used
Table used

This produces a fixed dollar amount each year regardless of account performance. It typically produces a mid-range distribution.

Fixed Annuitization

annual distribution (fixed)
Annuity factor
Interest rate used
Mortality basis

This also produces a fixed annual distribution. It typically produces the highest fixed distribution.

IRS rule: a one-time switch from the Amortization or Annuitization method to the RMD method is permitted without penalty, and the switch cannot be reversed.

Penalty Exposure If SEPP Is Broken Early
10% penalty on one year — RMD method
10% penalty on one year — Amortization
10% penalty on one year — Annuitization
Worst-case exposure if the plan is broken in the final SEPP year
Scroll the table sideways to see every column.
Cumulative retroactive 10% penalty plus interest, by the year the plan is broken.
Plan broken in Cumulative distributions taken Retroactive 10% penalty Estimated interest Total exposure

Year-by-Year Distribution & Balance Projection
Scroll the table sideways to see every column.
Year Calendar year Owner age RMD method Amortization method Annuitization method Projected balance (RMD)

Step-by-Step Solution

Introduction

If you want to take money out of your IRA or 401(k) before age 59½, you usually pay a 10% early withdrawal penalty. Rule 72(t) is a way around that. It lets you take equal payments each year, called Substantially Equal Periodic Payments (SEPP), without the penalty.

This 72(t) calculator shows you how much you can take out each year. It uses all three methods the IRS allows: the Required Minimum Distribution (RMD) method, the Fixed Amortization method, and the Fixed Annuitization method. You can see all three side by side and pick the one that fits your plan. If you are past 59½ and just need your normal required withdrawal, use the RMD Calculator or the IRA RMD Calculator instead.

Just enter your birth date, your account balance, and the interest rate you plan to use. The calculator does the rest. It shows your yearly payment, your monthly or quarterly payment, the date your SEPP plan must end, and a year-by-year table of your payments and balance. Pair it with an Early Retirement Calculator to see how a 72(t) plan fits your bigger picture.

It also shows what happens if you break the plan early. If you stop or change your payments too soon, the IRS charges the 10% penalty on every dollar you took out, plus interest. The penalty table here shows that cost so you know the risk before you start. To compare that cost against a straight early withdrawal, see the 401k Early Withdrawal Calculator.

How to use our 72(t) Calculator

Enter your birth date, your account balance, a few dates, and an interest rate. The 72(t) calculator shows your yearly SEPP payment under all three IRS methods, your required end date, penalty risk, and a year-by-year table.

Account Owner Date of Birth: Type your birth date. You must be under age 59½ to start a 72(t) SEPP plan. Not sure of your exact age today? Check the Age Calculator.

Valuation Date of Balance: Enter the statement date for the balance you will use. It can be today or an earlier date.

First Distribution Date: Enter the date you will take your first payment. This date starts the 5-year clock and sets which interest rate months you may use. The Date Duration Calculator can help you confirm the five-year window.

Account Balance: Type the value of your IRA or retirement account, or drag the slider. This is the base for all three IRS methods. If you are still building that balance, run the numbers in the 401k Calculator or IRA Calculator first.

Annual Interest Rate (Assumption Rate): Enter the rate for the amortization and annuitization methods. It cannot be higher than 120% of the federal mid-term rate shown in the box below the field.

Before-Tax Hypothetical Rate of Return: Enter the growth rate you expect on the account. This only affects the projected balance in the chart and table. See the Investment Calculator for help picking a reasonable growth rate.

Life Expectancy Table: Pick Single Life for the biggest payment, Uniform Lifetime for a smaller one, or Joint Life if your spouse is your only beneficiary and is more than 10 years younger. The Life Expectancy Calculator gives useful context here.

Distribution Frequency: Choose annual, semi-annual, quarterly, or monthly. This just splits the yearly amount into smaller payments.

Include Beneficiary: Choose Yes to add beneficiary details. Joint Life always needs this.

Beneficiary Type: Pick Spouse or Non-Spouse. Only a sole spouse beneficiary can use the Joint Life table. For inherited accounts, use the Inherited IRA RMD Calculator.

Beneficiary Date of Birth: Enter your beneficiary's birth date. The tool uses it to find the joint life factor and the age gap. The Age Difference Calculator can confirm the gap is more than 10 years.

Retroactive Exposure Based On: Pick which method to use for the penalty table. It shows what you would owe if you break the plan early.

Click Calculate to see your results, or Reset to start over.

What Is Rule 72(t)?

Most people must wait until age 59½ to take money out of an IRA or other retirement account. If you take money out sooner, the IRS adds a 10% early withdrawal penalty on top of the income tax you owe. Rule 72(t) is the exception. It lets you pull money out early without that 10% penalty, as long as you follow strict rules. You still owe income tax, so run your payment through the Income Tax Calculator or the Tax Bracket Calculator to see the after-tax amount.

What Is a SEPP Plan?

To use Rule 72(t), you set up a SEPP plan. SEPP stands for Substantially Equal Periodic Payments. You pick one of three IRS methods, take the same yearly amount (or a set schedule), and keep going without changes. You still pay regular income tax on the money. You just skip the penalty. If a fixed payment for life sounds closer to what you want, compare it with the Annuity Payout Calculator.

The Three IRS Methods

  • Required Minimum Distribution (RMD) method: Your balance is divided by a life expectancy factor each year. The amount changes every year with your balance. This usually pays the least.
  • Fixed Amortization method: Your balance is spread out over your life expectancy using an interest rate, like a loan payment. The dollar amount stays the same each year. The math is the same idea used in the Amortization Calculator.
  • Fixed Annuitization method: Your balance is divided by an annuity factor based on your age and an interest rate. This amount also stays the same each year, and it often pays the most. See the Annuity Calculator for how annuity factors work.

The Interest Rate Limit

The two fixed methods use an interest rate. The IRS caps that rate at 120% of the federal mid-term rate for one of the two months right before your first payment. A higher rate means a bigger yearly payment, so many people use the highest rate allowed. Always check the current rate on IRS.gov before you lock in your plan. To see how much a small rate change moves your payment, try the interest rate calculator.

How Long the Plan Must Last

Your SEPP payments must continue for the longer of two things: five full years, or until you reach age 59½. So if you start at age 45, you keep going for about 14 years. If you start at age 57, you must keep going for five years, past age 59½. The Retirement Age Calculator and When Can I Retire Calculator can help you plan the timing.

What Happens If You Break the Plan

Breaking a SEPP plan is costly. If you stop early, change the amount, or add or remove money from the account, the IRS can charge the 10% penalty on every dollar you took out since the plan started, plus interest. That is why the penalty grows larger the longer your plan runs. The only allowed change is a one-time switch from the Amortization or Annuitization method to the RMD method. That switch is permanent.

Smart Tips Before You Start

  • Split your IRA into two accounts and start a SEPP on just one. That way you take only what you need and keep the rest free.
  • Do not add money to, roll over, or borrow from the SEPP account while the plan runs. A 401k Loan Calculator can show whether borrowing elsewhere is cheaper.
  • Keep copies of your balance statement, the date you started, and the rate and table you used.
  • Check that your SEPP payment actually covers your spending with the Retirement Withdrawal Calculator and the How Long Will My Money Last Calculator.
  • If you are bridging a gap to a pension or Social Security, review the Social Security Calculator and consider whether a Roth Conversion Calculator run makes sense in low-income years.
  • Talk to a tax professional. A small mistake can trigger years of penalties.

Formulas used

RMD method annual distribution
\text{RMD} = \frac{\text{Account Balance}}{n}
Fixed amortization annual distribution
A = \frac{P \cdot i}{1 - (1+i)^{-n}}
Fixed annuitization annual distribution
D = \frac{P}{\ddot{a}_x}
Annuity factor (annuity-due from survival probabilities)
\ddot{a}_x = 1 + \sum_{t \ge 1} \frac{{}_{t}p_{x}}{(1+i)^{t}}, \qquad {}_{t}p_{x} = \prod_{k=0}^{t-1} p_{x+k}, \qquad p_x = \frac{e_x}{1 + e_{x+1}}
Joint life expectancy factor
e_{xy} = \sum_{t \ge 1} {}_{t}p_{x} + \sum_{t \ge 1} {}_{t}p_{y} - \sum_{t \ge 1} {}_{t}p_{x} \cdot {}_{t}p_{y}
Required SEPP end date and duration
\text{End} = \max\left(\text{First Distribution} + 5\ \text{yr},\ \text{DOB} + 59.5\ \text{yr}\right)
Per-period payment and projected year-end balance
\text{Payment} = \frac{\text{Annual Distribution}}{m}, \qquad B_{t} = \left(B_{t-1} - d_{t}\right)(1 + r)
Retroactive penalty exposure with interest through year k
E_k = 0.10 \sum_{j=1}^{k} d_j + \sum_{j=1}^{k} 0.10\, d_j \left[(1+i)^{k-j} - 1\right]

Frequently asked questions

Do I still pay income tax on 72(t) payments?

Yes. Rule 72(t) only removes the 10% early withdrawal penalty. Every dollar from a traditional IRA or 401(k) still counts as regular income on your tax return.

Plan for that tax bill. Many people set aside 20% to 30% of each payment.

Which method gives the biggest yearly payment?

Usually the Fixed Annuitization method, followed by Fixed Amortization. The RMD method almost always pays the least.

This calculator labels each one Highest, Mid-Range, or Lowest based on your own numbers, so you can see the order for your situation.

Can I use a 72(t) plan on my 401(k)?

Only if you have left that job. Most plans will not let you set up SEPP payments while you still work there.

The common fix is to roll the 401(k) into an IRA first, then start the 72(t) plan on the IRA.

Can I do a 72(t) on a Roth IRA?

Yes, but it is rarely smart. You can already pull out your Roth contributions any time with no tax and no penalty.

Use a 72(t) on a Roth only if you need more than your contribution basis and want to reach the earnings early.

What if the market drops and my balance shrinks?

With the two fixed methods, your payment does not change. You must keep taking the same dollar amount even if the account falls.

That is why the IRS lets you make a one-time switch to the RMD method. The RMD method recalculates each year, so payments drop when your balance drops.

What happens if my account runs out of money?

If the account hits zero, the payments stop and the IRS does not charge the 10% penalty. Running dry is treated as the end of the plan, not as breaking it.

Still, it is a bad outcome. Use the year-by-year table here to check that your balance lasts.

Can I make the one-time switch more than once?

No. You get one switch, and it must go from Amortization or Annuitization to the RMD method. You cannot switch back.

You also cannot switch between the two fixed methods.

Is the 5-year rule five calendar years or 60 months?

It is five full years from your first payment date, which is 60 months. If your first payment is on August 19, 2026, the five years end on August 19, 2031.

The calculator shows this as your 5-Year Rule End Date.

Can I stop at 59½ if I have not finished five years?

No. You must keep going for whichever is later: five full years or your 59½ birthday.

Someone starting at age 57 must keep taking payments until age 62. The calculator shows the exact end date for you.

How is the age 59½ date figured out?

It is six months after your 59th birthday. If you were born on March 15, 1974, you turn 59½ on September 15, 2033.

The tool does this math for you in the SEPP Period Summary.

Does the hypothetical rate of return change my payment?

No. That rate only draws the projected balance line in the chart and table.

Your actual SEPP payment comes from your balance, your life expectancy factor, and the interest rate you enter above it.

What balance date should I use?

Use a recent account statement date, usually within a few months of your first payment. Many people use the prior December 31 balance or the most recent month-end.

Whatever date you pick, save the statement. You may need it if the IRS asks.

Can I take my yearly amount in monthly payments?

Yes. The IRS math is always yearly, but you can split it into monthly, quarterly, or semi-annual checks.

Just make sure the full yearly total comes out each calendar year. Pick your schedule under Distribution Frequency.

What if I take too much or too little one year?

Either one can break the plan. The IRS can then charge the 10% penalty on every dollar you have taken since day one, plus interest.

The penalty table in this tool shows how big that bill gets in each year of your plan.

Can I add money to the SEPP account?

No. Do not add money, roll money in, or move money out other than your scheduled payments.

Any of those can void the plan. Keep other savings in a separate account.

Can I run two 72(t) plans at once?

Yes. You can split your IRA into separate accounts and start a SEPP on one, or on more than one.

Each plan has its own balance, its own start date, and its own five-year clock.

Do I have to tell the IRS I started a 72(t)?

Your custodian usually reports the withdrawal with code 1 on Form 1099-R, which means early distribution. You then file Form 5329 and use exception code 02 to claim the 72(t) exception.

Ask a tax preparer to check this the first year.

What happens if I die during the SEPP plan?

Death ends the plan with no penalty. The same is true if you become totally disabled.

Your beneficiaries then follow the normal inherited account rules instead.

Why is my number different from another 72(t) calculator?

Small choices change the result: the life expectancy table you pick, the interest rate month, the age you use, and rounding.

Check that the table and rate match before you compare. A tenth of a point in the rate can shift the payment by hundreds of dollars.

Which life expectancy table should I choose?

Single Life gives the largest payment and works for anyone. Uniform Lifetime gives a smaller payment. Joint Life gives the smallest and needs a spouse who is your only beneficiary and more than 10 years younger.

Most people who want the biggest payment pick Single Life.

Can I change my plan if I go back to work?

No. Getting a new job does not let you pause or stop the payments. The plan must run its full term.

Think hard before you start if there is a chance you will not need the money.

What can I do after the SEPP plan ends?

Once you pass your end date, the rules go away. You can take any amount, take nothing, or roll the account into another IRA.

If you are past 59½, there is no early withdrawal penalty on anything you take.