Free tools · 2026
Free Tax Tools for International Students
Calculators and checkers for F-1, J-1 and OPT, built on the same rules as our returns. Free, with no sign-up.
Pay and tax
F-1 student tax calculator
Federal, state and FICA tax on campus, CPT and OPT pay, with your treaty applied.
Estimate your taxChina, $20,000 student pay, Illinois$818 savedCalculatorTax treaty savings calculator
Your tax with your country's treaty and without it, federal and state, side by side.
See your treaty$75,000 on OPT, Texas$63,788 take-homeCalculatorOPT tax calculator
What you keep from an OPT or STEM OPT salary as a nonresident alien.
Check your OPT payJ-1 scholar2 exempt yearsCalculatorJ-1 tax calculator
J-1 students, researchers and scholars: exempt years, FICA and treaties.
Estimate J-1 tax$120,000 on H-1B, Washington$92,281 take-homeCalculatorH-1B tax calculator
Take-home pay on H-1B, including a change from F-1 during the year.
Estimate H-1B payPaid every two weeks+$619.20 a paycheckCalculatorNonresident withholding helper
What your employer adds to each paycheck before withholding, and how to fill in Form W-4.
Check your paycheckSingle resident, $20,000 cash-out$6,400 taxCalculator401(k) early withdrawal calculator
The tax and 10% penalty on cashing out a 401(k) or IRA early, and what is still due after withholding.
Estimate the costH-4 EADFICA from day oneCalculatorH-4 EAD tax calculator
Your pay on an H-4 EAD, alone or with your spouse's on a joint return.
Estimate H-4 payResidency and forms
Am I a resident alien?
The substantial presence test with your own days and your exempt years counted for you.
Check your statusDays in 2025, home for a summer284 daysFree toolDays in the US calculator
Your trips in, days per year and the 183-day test out, for F-1, J-1, H-1B or any visa.
Count your daysFiled alone, no incomeDue June 15, 2027Free toolForm 8843 checker
Whether you file Form 8843, which parts, by when and where it goes.
Check Form 8843Wages subject to withholding in 2026Due April 15, 2027Free tool1040-NR due date checker
April 15 or June 15: when your return or Form 8843 is due, with or without an extension.
Find your deadlineResident, $14,000 at homeFBAR dueFree toolFBAR and Form 8938 checker
Whether your accounts back home mean an FBAR or Form 8938, by your status and balances.
Check your accountsSearch a form1040-NR, 8843, 843...Free toolSupported forms
Every IRS and state form we fill in, and what each one is for.
Find a formRefunds
FICA refund calculator
Whether the Social Security and Medicare tax on your W-2 comes back, and by when to claim it.
Check your W-2Paper return, after the IRS gets it6+ weeksFree toolRefund tracker
When a paper 1040-NR or state refund should show, and what each tracker asks for.
Date your refundThen File For Free
F1TaxReturn prepares Form 1040-NR and Form 8843 for nonresident students, with your treaty applied. The federal return is free, once the final 2026 forms are published.