Check if you qualify for United Kingdom citizenship. Enter your permit dates and we'll calculate your qualifying days, flag any gaps, and forecast your eligibility date.
1,825
Days required
6 yr
Qualifying window
365
Last-year days
🇬🇧 United Kingdom · Standard naturalisation route
How United Kingdom citizenship works
5 years continuous residence → ILR → 1 year with ILR = ~6 years total
🧮 Calculate my United Kingdom citizenship eligibility
Permit / residence periods
🔗 Check your eligibility on the main calculator
The CitizenshipCalculator.com main tool supports United Kingdom alongside Ireland, UK, Canada, USA, Australia and New Zealand — with AI document scanning, Document Vault, travel tracker and eligibility forecasting all in one place.
Data sourced from official Irish government publications. Not legal advice — verify at irishimmigration.ie. CitizenshipCalculator.com is not affiliated with the Irish Government.