Nonresident Alien Tax Calculator
Check weighted U.S. presence and estimate the two main federal tax buckets on Form 1040-NR without silently granting a standard deduction.
Estimated federal tax
Balance after withholding
ECI graduated-rate tax
FDAP tax
Weighted presence days
Treaty residency, closer-connection claims, dual-status years, elections, capital-gain presence rules, and the India student standard-deduction exception require individual review.
What this estimate covers
- Screens the statutory three-year day weighting before computing nonresident tax.
- Separates ECI graduated-rate tax from treaty-adjustable FDAP tax.
- Stops the estimate when the inputs indicate resident-alien treatment may apply.
Frequently asked questions
How does the substantial presence test count days?
It generally counts all current-year days, one-third of prior-year days and one-sixth of days from two years earlier, subject to exempt-individual and other statutory exceptions.
How is nonresident income taxed?
Effectively connected income is generally taxed at graduated rates after allowable deductions. U.S.-source FDAP income is generally taxed at 30% unless a treaty or Code provision provides a lower rate.
Does a nonresident alien get the standard deduction?
Generally no. A limited treaty exception applies to certain students and business apprentices from India, and itemized deductions are restricted.
Sources
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