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If your employer runs payroll on Adytum, your W-2 imports itself. Everyone else: snap-simple manual entry. Free federal estimate.

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Tax year 2025

Tax year 2026

Estimated federal refund

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Add your income — your estimate updates automatically.

Income documents

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Your household

Qualifying children (under 17)

People in your household (for insurance credit)

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💵 Tips or overtime pay New deductions — keep more of what you earned

Qualified tips ($)

Qualified overtime premium ($)

👶 Childcare costs Daycare, after-school care, summer camp

Childcare expenses ($)

Children/dependents in care

🧮 Childcare credit calculator (Form 2441)

Total care paid ($)

Qualifying dependents

Employer dependent-care benefits ($)

Your earned income ($)

Spouse earned income ($, if joint)

🏥 Health: HSA or marketplace insurance HSA contributions; healthcare.gov plans use your 1095-A above

HSA contributions ($)

HSA coverage

55 or older?

Marketplace insurance? Add your 1095-A under Income documents — enter its annual premium, SLCSP, and advance-credit amounts and we reconcile the Premium Tax Credit.

🧮 HSA contribution calculator (Form 8889)

Coverage

Months HSA-eligible

55 or older?

Your own contributions ($)

Employer/payroll contributions ($)

🏠 Home & deductions Property/state taxes, donations, big medical bills

State & local taxes paid ($)

Charitable cash gifts ($)

Medical expenses ($)

Mortgage interest comes from your 1098 document above. We automatically use whichever is larger: your itemized total or the standard deduction.

🧮 Itemize vs. standard calculator (Schedule A)

State & local taxes ($)

Mortgage interest (1098) ($)

Charitable cash gifts ($)

Medical expenses ($)

🎓 Student loans, college & retirement savings Tuition credits, IRA, student loan interest

Student loan interest paid ($)

College tuition — degree, first 4 yrs ($)

Other education courses ($)

Traditional IRA contribution ($)

Covered by a work plan?

50 or older?

🧮 Education credit calculator (Form 8863)

AOTC tuition & fees — degree, first 4 yrs ($)

Lifetime Learning expenses — other courses ($)

🧮 IRA deduction calculator

Traditional IRA contribution ($)

Covered by a work plan?

50 or older?

📈 Side income & investments Gig work, stock sales, anything else

Self-employment income ($)

Self-employment expenses ($)

Long-term capital gain/loss ($)

Short-term capital gain/loss ($)

Other income ($)

Rental income — net ($) Schedule E

K-1 ordinary income ($) partnership / S-corp

Farm income ($) Schedule F

Farm expenses ($)

🧮 Self-employment / SE-tax calculator (Schedule C + SE)

Gross self-employment income ($)

Total business expenses ($)

🧮 QBI deduction estimator (Form 8995)

Qualified business income ($)

🧮 Capital gains calculator (Schedule D)

Short-term proceeds ($)

Short-term cost basis ($)

Long-term proceeds ($)

Long-term cost basis ($)

🧾 Tax payments you already made Quarterly estimates, last year's tax for safe-harbor

Estimated tax payments made ($)

Last year's total tax ($) (for safe-harbor)

🧮 Estimated-tax / safe-harbor calculator (Form 1040-ES)

Last year's total tax ($)

Estimated payments already made ($)

What-if & Maximize

Every number here is your real return re-computed with hypothetical inputs — same engine, full 1040 math. Nothing you try here is saved.

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Each what-if sets that amount for the year (replacing what you've entered) and re-runs your entire federal return.

What if my…

…was this for the year ($)

Adytum Tax prepares a software-computed federal estimate with a full source trail. It is not tax advice and does not file your return. Estimates use IRS parameters retrieved on dated snapshots. © Adytum.

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Income documents

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Income documents

Your household

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What-if & Maximize

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Your estimate, explained