Your visa changes the money math. Here is all of it.

Return Home vs Stay in the US Calculator

Compare the FIRE number and the date you reach it if you stay in the US against retiring abroad, priced at your home country’s household prices, with US withholding on pre-tax accounts counted.

401(k) Withdrawal When Leaving the US Calculator

Enter your balance and age to see what you keep after US withholding and the 10% early-withdrawal penalty, as a nonresident or a US tax resident, against leaving it invested to 59½.

H-1B Layoff Runway Calculator

Enter your cash, severance and health-insurance cost to see how many months your money lasts, the date it runs out, and where the 60-day grace period ends.

Substantial Presence Test Calculator

Enter your days in the US for the last three years to see whether you meet the substantial presence test, how many more days you can spend here, and what your status means for withholding.

FBAR and Form 8938 Threshold Checker

Enter the highest balance of your foreign accounts and the value of your foreign financial assets, and see whether they are over the FBAR and Form 8938 thresholds for how you file and where you live. The balances shown are examples.

H-1B and OPT Take-Home Pay

See your 2026 take-home pay per paycheck after federal tax, Social Security and Medicare, and state tax, and how your status changes the amount for the same salary.

Nonresident Spouse Joint Filing Election

Compare the federal income tax on electing to treat your nonresident spouse as a U.S. resident and filing jointly with filing separately or as head of household, and see at what spouse income the election stops saving tax.

PFIC Tax on a Home-Country Mutual Fund

See the tax and interest a foreign mutual fund (a PFIC) costs on a sale under the default IRS rules, and how that compares with a U.S. fund and with a mark-to-market election.

Prepay an Education Loan or Invest

Compare paying down a loan in another currency with investing the same extra money each month in dollars, taking the loan currency’s change against the dollar into account.

Rent vs Buy on a Visa

Compare the net worth of buying and of renting for every year you might sell or leave, after closing and selling costs, upkeep, and what the renter can invest.

Roth or Traditional if You Might Leave the US

Compare what a Roth and a traditional 401(k) keep after tax, across every tax rate a payout might face after you leave, and see where the two tie.

Social Security for Visa Holders

See how many Social Security credits your U.S. work builds, whether a Social Security agreement with another country could help you reach the 40 you need, and what a benefit might be.