Per entry, set at the border.
Counted in a tax year (starting 06/04).
The rule for US citizens
Up to 6 months per visit as a visitor. An ETA (£20) is required before travel; you can't live in the UK through frequent visits.
Your days, with an example
Arrive on Sun 1 November 2026 and day 180 is Thu 29 April 2027. The day you arrive counts as day 1. The border officer can give you less, so check the date stamped or recorded when you arrive.
Staying longer
You become tax resident in United Kingdom after 183 days in a tax year (starting 06/04). Statutory Residence Test: resident with 183+ days in the tax year (6 Apr–5 Apr). Fewer days can count via the only-home test, full-time UK work, or the sufficient ties test (from 16 days).
Other passports
| Passport | Stay |
|---|---|
 EU, EEA or Swiss passport | 6 months per visit |
 UK, Canadian, Australian or NZ passport | Citizen · no limit |
 Indian passport | Visa · 6 months |
All the details: United Kingdom rules for every passport.
Questions
Do US citizens need a visa for the UK?
Not for a short stay. Up to 6 months per visit as a visitor. An ETA (£20) is required before travel; you can't live in the UK through frequent visits.
How long can US citizens stay in the UK?
6 months per visit. Up to 6 months per visit as a visitor. An ETA (£20) is required before travel; you can't live in the UK through frequent visits.
When do US citizens become tax resident in United Kingdom?
You become tax resident in United Kingdom after 183 days in a tax year (starting 06/04). Statutory Residence Test: resident with 183+ days in the tax year (6 Apr–5 Apr). Fewer days can count via the only-home test, full-time UK work, or the sufficient ties test (from 16 days).
Can Noverstay count my days in the UK?
Yes. The app logs the country you’re in each day and reminds you before your United Kingdom limit. Only the country, city and date are stored.
Official sources
Rules change often. This page is not legal or tax advice. Check the official source before you travel.