Calculators
Work out where you stand before you speak to anyone.
Each tool applies published rules to the figures you enter, states its assumptions and names its sources. Everything runs in your browser; nothing is stored.
US tax
- 01
FBAR and Form 8938 threshold checker
Do your UK accounts together cross US$10,000? Check both forms in two minutes.
Learn more - Tax year 202502
FEIE physical presence test checker
Count your 330 days and see the pro-rated exclusion.
Learn more - 03
Streamlined eligibility checker
See whether the Foreign Offshore route is likely to fit before you ask anyone.
Learn more - Tax year 202504
US expat tax estimator (FEIE vs Foreign Tax Credit)
Compare the two main reliefs on your figures, with the assumptions stated.
Learn more - Tax year 202505
US self-employment tax for expats
15.3% on net profit, unless the totalization agreement says otherwise.
Learn more - Tax year 202506
IRS yearly average exchange rate converter
GBP and EUR to USD at the IRS yearly average, 2021–2025.
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US and UK
- Tax year 2025 / 2025-2601
Do I need to file? US and UK checker
Which US and UK returns apply to you, and why, in two minutes.
Learn more - 02
Tax document checklist builder
Tick what applies and get a printable document list.
Learn more - 03
US and UK deadline calendar
The next IRS, FinCEN and HMRC dates, with weekend shifts applied.
Learn more
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Tell us your situation
Where you live, which years are involved, what has been filed, and every source of income in each country. We reply by email within two working days with what is needed and a written fee. No free consultations, and no work starts before you have the quote.