Family taxes · Free calculator

Child Tax Credit Calculator — South Dakota

The federal Child Tax Credit is worth up to $2,000 per child. Enter your income and kids to see your credit, the phase-out, and what it does to your South Dakota refund.

Short answer

Child Tax Credit Calculator — South Dakota

$4,000Estimated Child Tax Credit

At $75,000 with 2 children, the credit is $4,000. That cuts your federal tax dollar-for-dollar — your estimated federal bill drops from $8,114 to $4,114.

How it's calculated: $2,000 per child · comes straight off your tax bill Adjust the inputs below to recalculate for your own numbers.

Disclaimer: Educational estimate — not tax advice. Federal uses 2026 IRS brackets and standard deduction; FICA uses the 2026 $176,100 Social Security wage base. State figures use 2025–2026 resident schedules; credits and nonresident rules are not modeled. Federal CTC: $2,000 per qualifying child under 17, phasing out $50 per $1,000 of income above $200,000 (single) / $400,000 (married). Up to $1,700 is refundable. State child credits are not modeled.

New here? Watch it work in 2 seconds — then tweak it for you.

Annual salary ($)$75,000

Filing status (0 = single, 1 = married jointly)0

Qualifying children (under 17)2

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Formula used

CTC math

A credit is worth more than a deduction: $2,000 off your tax bill, not off your income.

Credit = $2,000 × kids − $50 per $1,000 over the threshold

Per child

$2,000

Refundable portion

$1,700

Phase-out (single)

$200,000

Phase-out (married)

$400,000

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How the credit shows up in your money

The credit reduces your tax at filing — which means a bigger refund or smaller bill. Some families instead adjust their W-4 so less is withheld during the year and the money shows up in each paycheck.

Refundable vs. non-refundable

If the credit exceeds your tax bill, up to $1,700 per child can still come back as a refund (the Additional Child Tax Credit). The rest is lost — credits cannot take your tax below zero beyond that cap.

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FAQ

How much is the Child Tax Credit in 2026?

$2,000 per qualifying child under 17, with up to $1,700 refundable. It phases out above $200,000 (single) or $400,000 (married filing jointly).

Does the Child Tax Credit affect my paycheck?

Not automatically — it lands at filing unless you adjust your W-4 to withhold less during the year.

Is there a South Dakota child tax credit too?

Several states add their own child credits on top of the federal one. Check your state's revenue department — this calculator covers the federal credit only.

How this calculator is built

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Written by Sam Doshi and the RevenueLab editorial team. We don't sell the data feeds this tool is built on.

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See our editorial policy and disclaimer. Results are estimates, not advice.

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