For retirees
Retirement changed how you pay taxes
After decades of employer withholding, the IRS now expects payments through the year. Get your quarterly number from your real retirement income, computed with both official IRS methods.
Why estimated taxes start at retirement
The withholding stopped
Paychecks handled taxes automatically for decades. IRA withdrawals, pensions, interest, and dividends usually arrive with little or nothing withheld.
The IRS expects payment through the year
Tax is due as income arrives, not just in April. Paying everything at filing can bring an underpayment penalty even when the return itself is correct.
Certain years trigger it
The first RMD year, a Roth conversion, or retiring partway through the year can create a tax bill that no paycheck is covering anymore.
A lower income year should mean lower payments
The standard advice is to pay based on last year's tax. That rule protects you from penalties, but in the first years of retirement it often overpays badly, because your working-years tax bill is no longer a fair basis once income drops.
Simple Estimates computes both official IRS methods on your actual numbers. The safe harbor method uses last year, and the annualized income method uses what you have really received this year. It recommends the lower payment, and the year-end Form 2210 with Schedule AI makes that number defensible at filing.
Withholding on distributions counts too
Many retirees have tax withheld right at the IRA custodian or pension and prefer that to mailing vouchers. Both approaches work. Enter what has already been withheld and the calculator computes what remains to be paid, so you can cover the rest with quarterly payments or raise the withholding instead.
Built for retirement income
Enter the amounts, and the engine applies the real federal rules to each kind of income rather than a flat percentage.
Social Security is handled through its taxable portion. The free retirement calculator estimates how much of your benefit is taxable before you begin.
Questions retirees ask
Does it handle RMDs and IRA withdrawals?
Yes. Withdrawals from traditional IRAs and 401(k)s are ordinary income in the calculation. Enter the amounts you have taken and plan to take, along with any withholding on them, and both methods are computed from that.
We file jointly. Does it handle both of us?
Yes. The calculation runs on the household return. Enter your combined income, withholding, and prior-year figures under the married filing jointly status, the same way they appear on your Form 1040.
Our income dropped a lot since retiring. Do I really pay based on last year?
Not necessarily. Paying based on last year is one official method and it is always penalty-safe. The annualized income method sizes payments to what you actually received this year, which is usually lower after retirement. The calculator shows both and recommends the lower one.
Can I just have taxes withheld from my distributions instead?
Yes, and for many retirees that is the simpler route. The calculator still helps by computing the total the IRS expects. You can cover it through custodian withholding, quarterly payments, or a mix. Any withholding you enter is credited against the number.
Do you need my account numbers or my Social Security number?
Never account numbers. The calculator works from dollar amounts you type in, not from linked accounts. A Social Security number is asked for only at the moment a payment voucher is generated, used once for that form, and never stored.
What does the free version include?
The complete federal calculation with both methods, plus your state safe harbor payment figure, one calculation per quarter, and deadline reminders. No card is required.
What about Social Security?
The calculation uses the taxable portion of your benefit. The free retirement withdrawal calculator estimates that portion for you, and you include it with your other income.
See your quarterly number
A free account runs the complete calculation with both methods. No card required.