CalEstimator

Tax Refund / Amount Owed Estimator

A quick, simplified federal estimate. Brackets and deductions are approximate; this is not tax advice.

Filing & Income

Deductions, Credits & Payments

Income & Deductions

AGI

$122,000

Deduction

$14,600

Taxable income

$107,400

Tax & Credits

Bracket tax

$18,819

LTCG pref. tax

$0

NIIT (3.8%)

$0

AMT (excess)

$0

State tax (est.)

$6,745

Credits (CTC + other)

$0

Tax after nonrefundable

$25,563

Refundable credits

$0

Total tax (net)

$25,563

Payments & Outcome

Total payments

$18,000

Amount owed

$7,563

Marginal rate

24.0%

Effective rate

21.0%

Extra per paycheck (W-4)

$315

Email my calculations

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Where your tax bill comes from

See which pieces of the estimate contribute the most before payments and credits.

Bracket detail

Table showing the marginal brackets used in the refund estimate, with thresholds, rates, and tax owed in each.
Up toRateTax in bracket
$11,60010%$1,160
$47,15012%$4,266
$100,52522%$11,743
$191,95024%$1,650

source: calestimator.com/tax-refund-calculator

Educational estimate only — not tax advice.

Summary

Taxable income $107,400. Regular tax $18,819 + LTCG pref. $0 + NIIT $0 + AMT (excess) $0 + State $6,745. After nonrefundable credits $25,563; refundable $0; total tax $25,563. Payments $18,000 ⇒ Amount owed: $7,563. Marginal 24.0%, effective 21.0%. Not tax advice.

How to use the Tax Refund Calculator

Estimate your upcoming tax refund or balance due by plugging in income, withholding, credits, and deductions.

  • Enter wages, self-employment income, and investment earnings.
  • Add adjustments such as retirement contributions or educator expenses.
  • Select deductions—standard or itemized—and eligible credits.
  • Review whether you will owe or receive a refund, then adjust withholding if needed.

Tax Refund Calculator key terms

Knowing how each field influences the results keeps the math grounded in reality.

Tax withholding

The amount your employer withholds from paychecks. Matching it to your actual liability prevents surprises.

Refundable vs. nonrefundable credits

Refundable credits can generate a refund even if you owe zero tax; nonrefundable credits only reduce tax owed to zero.

Safe harbor rule

Paying 100%–110% of last year’s tax liability generally avoids underpayment penalties even if you owe this year.

Tax Refund Calculator planning ideas

Try running a few “what if” scenarios to translate the numbers into real-world decisions.

Adjust estimated payments

Self-employed filers can see how quarterly payments affect potential penalties.

Major life events

Add a new dependent, home purchase, or side hustle to understand how it alters your refund.

Withholding tune-up

Change W-4 allowances to aim for a small refund instead of a large overpayment.

Frequently asked questions

How accurate is the refund estimate?

It depends on the completeness of your inputs. Complex situations like stock options or multi-state income may require professional software or advice.

Should I aim for a refund or break even?

Many planners prefer to break even to keep more cash throughout the year. Use the calculator to fine-tune withholding so you avoid both penalties and large refunds.

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