Free US Expat Tax Calculators & Compliance Tools
Use our free interactive tools to understand your US tax obligations as an American living in the UK or abroad. All tools are updated for 2026 thresholds, rates, and IRS guidance.
US Expat Tax Calculator
Estimate your FEIE exclusion amount, Foreign Tax Credit, and overall US tax liability for 2026. Covers FEIE, FTC, and filing threshold checks.
Self-Employment Tax Calculator
Calculate your US SE Tax (Social Security + Medicare) on self-employment income. Checks Totalization Agreement exemption for UK-based freelancers.
FBAR Penalty Estimator
Estimate your FBAR penalty exposure based on the Bittner v. United States (2023) ruling. $10,000 per year (not per account) for non-wilful violations.
Streamlined Qualification Checker
Find out if you qualify for IRS Streamlined Filing and whether the Foreign Offshore (no penalty) or Domestic Offshore (5% penalty) version applies.
FBAR Filing Checklist
3-question FBAR obligation checker plus complete checklist of accounts and information required for FinCEN Form 114.
FATCA Compliance Checklist
Calculate your Form 8938 reporting threshold by filing status and residency. Includes full asset identification checklist.
FEIE Eligibility Checker
Check whether you qualify for the Foreign Earned Income Exclusion under the Physical Presence Test or Bona Fide Residence Test.
UK vs US Tax Comparison
Side-by-side comparison of UK income tax rates vs US federal tax rates for 2026 — including dual scenario modelling.
Coming Q3 2026
Disclaimer: All tools on this page are provided for general guidance only and do not constitute tax advice. Calculations are estimates based on current published rates and may not reflect your specific circumstances. Contact us for a personalised assessment.