Pension Withdrawal Tax Calculator: $58,860 After Tax on $48,000 Pension + $20,000 Income
Use this guide to understand the assumptions, inputs, results, and next steps behind the calculator.
Created by Luis Gonzalez · Last updated May 19, 2026
A pension is generally taxable as ordinary income at the federal level, and your state may tax some or all of it too. This calculator estimates federal tax, state tax, effective tax rate, and pension income left after those estimated taxes. Its estimate depends on your filing status, age, other income, Social Security, state rate, and any state pension exclusion you enter.
Use the result as a planning estimate, not a tax return calculation. The state tax method is simplified: it applies one selected state rate to taxable pension and other income rather than modeling a state’s full tax brackets, credits, or deductions. For a broader view of how withdrawals fit together, compare the tax-efficient retirement withdrawal calculator and the pension withdrawal calculator.
Enter Your Income And Tax Details
Enter annual pension income before taxes, then add other taxable income such as wages, investment income, or withdrawals from tax-deferred accounts. Enter Social Security separately because the calculator estimates the taxable portion using its own Social Security rules.
Choose your filing status, age, and state-rate option. If your state excludes part of your pension, enter that amount as the pension exclusion. Check the applicable state rules before entering an exclusion: eligibility can depend on age, pension type, income, or other conditions. The pension tax by state calculator can help you compare state treatment.
For the default inputs, the calculator assumes $48,000 of annual pension income, $20,000 of other income, single filing status, age 67, no state pension exclusion, no Social Security income, and a 5% state tax rate. The state option is identified by its rate here; the calculator data does not identify the state name.
Read The Default Estimate Carefully
With those defaults, gross income is $68,000. The calculator applies an $18,100 standard deduction, producing $49,900 of taxable income. Its federal bracket breakdown taxes the first $12,400 at 10%, or $1,240, and the next $37,500 at 12%, or $4,500. That gives estimated federal tax of $5,740.
The state estimate is $3,400: $68,000 of state-taxable income multiplied by the 5% rate. Total estimated tax is $9,140, leaving $58,860 annually, or $4,905 per month. The effective rate is 13.44%: $9,140 divided by $68,000.
These are the calculator’s exact default results, not a promise of the tax shown on a return. The federal estimate uses the tax rules encoded in the calculator, while the state estimate is a flat-rate approximation. Real tax liability can change with deductions, credits, state-specific exemptions, other income, and the taxable portion of Social Security. For IRS guidance on pension and annuity income, see the IRS topic on pensions and annuities.
What Changes The Estimate Most
Other income can raise the tax on pension income. Federal tax brackets apply to taxable income as a whole, not to each income source in isolation. A pension may occupy a lower bracket on its own but fall into a higher bracket when combined with wages, IRA withdrawals, or investment income.
Age affects the deduction in this model. At age 67, the calculator adds an age-based amount to its standard deduction. It does not model every tax deduction or credit that might apply to an individual return.
Social Security may be partly taxable. The calculator adds estimated taxable Social Security to taxable gross income, but it uses total Social Security income when calculating gross income and the effective tax-rate denominator. The taxable amount is not necessarily the full benefit. The Social Security calculator estimates benefits, while the IRA withdrawal tax calculator can help model another taxable income source.
A state pension exclusion reduces only the pension portion in this model. The entered exclusion is subtracted from annual pension income, with a floor of zero. It does not reduce other income or taxable Social Security. Confirm that your pension qualifies under state law before relying on an exclusion.
The federal tax portion is progressive: different slices of taxable income are taxed at different rates. The default result has a 12% marginal rate, but its effective rate is lower because the 10% bracket applies to the first slice of taxable income. The marginal rate is the rate on the next dollar of taxable income; the effective rate compares total estimated tax with gross income.
Default Calculation, Step By Step
The calculator’s default federal and state estimates can be reconstructed from the displayed values:
- Add pension and other income: $48,000 + $20,000 = $68,000.
- Subtract the standard deduction: $68,000 − $18,100 = $49,900 taxable income.
- Apply the federal bracket breakdown: ($12,400 × 10%) + ($37,500 × 12%) = $1,240 + $4,500 = $5,740.
- Estimate state tax: ($48,000 − $0 exclusion + $20,000 other income) × 5% = $3,400.
- Add taxes and subtract them from gross income: $5,740 + $3,400 = $9,140; $68,000 − $9,140 = $58,860.
- Convert annual net income to monthly income: $58,860 ÷ 12 = $4,905.
The result cards also report a 13.441% effective rate, displayed as about 13.44%, and a 12% marginal federal rate.
Formulas Used In The Estimate
Gross income = annual pension + other income + Social Security income
Taxable income = max(0, annual pension + other income + taxable Social Security − standard deduction)
State tax = max(0, annual pension − pension exclusion + other income + taxable Social Security) × state tax rate
Net annual income = gross income − federal tax − state tax
Monthly net income = net annual income ÷ 12
Effective tax rate = total tax ÷ gross income × 100
The calculator’s state-tax formula is intentionally simpler than a state tax return. It does not show a separate state standard deduction, progressive brackets, or credits in the supplied computation.
Compare Different Planning Inputs
The following scenarios illustrate how to test inputs. The calculator’s alternative results are not precomputed here, so the table describes the direction of the change rather than supplying invented tax totals.
| Scenario | Pension | Other income | Exclusion | What to examine |
|---|---|---|---|---|
| Lower other income | $48,000 | $10,000 | $0 | Lower combined taxable income may reduce federal tax |
| Larger state exclusion | $48,000 | $20,000 | $10,000 | State-taxable pension falls, but federal pension income does not |
| Higher pension | $60,000 | $20,000 | $0 | Gross income rises and more income may enter higher federal brackets |
| Add Social Security | $48,000 | $20,000 | $0; Social Security $18,000 | Compare gross income with the estimated taxable Social Security amount |
A useful comparison changes one input at a time. For example, keep income and filing status fixed while testing an eligible state exclusion. Then compare the result with a scenario that changes only other income. This makes it easier to see which assumption drives the difference.
Next Step: Compare The Estimate With Your Full Income Plan
Run a low-, expected-, and high-income scenario, then check whether your pension exclusion and filing assumptions match your circumstances. Compare the resulting monthly net income with planned retirement spending and other account withdrawals before making a pension or withdrawal decision.
Frequently Asked Questions
Quick answers to the questions people usually have after running the retirement calculator.
1Is a pension taxable?
Most pension payments are taxable federally, though the taxable amount can differ if you made after-tax contributions or qualify for a special exclusion. See the IRS’s pension and annuity guidance and confirm how your plan reports benefits.
2Does the calculator estimate my tax return exactly?
No. It estimates federal tax using simplified inputs and estimates state tax with a single rate. It does not replace a return calculation that includes all income, deductions, credits, and state rules.
3Why is my effective tax rate lower than my marginal rate?
The marginal rate applies to the next dollar in a tax bracket, while the effective rate divides estimated total tax by gross income. Earlier portions of taxable income can be taxed at lower rates, and deductions reduce taxable income.
4Should I enter a state pension exclusion if I am unsure I qualify?
No. First verify the state’s rules for your age, pension type, and income. A guessed exclusion can make the state-tax estimate too low; use zero until you confirm eligibility.
5Should I take pension income or withdraw from an IRA first?
There is no universal answer because pension elections, tax brackets, account rules, and cash needs differ. Compare the after-tax effect of each income source and test multiple withdrawal sequences with the tax-efficient retirement withdrawal calculator. A pension is typically ongoing income, while an IRA withdrawal may be more flexible but can affect taxes and future balances.
6Does the calculator tax all Social Security benefits?
No. It uses an estimated taxable Social Security amount for taxable-income calculations. The full entered Social Security amount is still included in gross income for the calculator’s effective-rate and net-income calculations, so the estimate should be treated as a planning approximation.