ILR date and 180-day absence calculator

Enter the day your qualifying period started and every trip outside the UK since. The calculator gives the earliest date you can submit a settlement application, tests every rolling 12-month window against the 180-day limit, and shows how your absences measure against the citizenship limits for later. Everything runs in your browser; nothing is sent to us.

Start of your qualifying period

For most work routes this is the date your first visa in the route was granted, or the date you entered the UK on it if that was later. For the partner route it is the date your first partner visa started.

Qualifying period

5 years (Skilled Worker, Health and Care, partner five-year route, Ancestry, Global Talent promise)
3 years (Global Talent exceptional talent, Innovator Founder)
10 years (long residence, partner ten-year route)

Trips outside the UK (day you left, day you returned; the travel days themselves are not counted as absence)

Left the UK	Returned	Days

How the calculation works

Earliest application date is the start date plus the qualifying period, minus 28 days, because the rules let you apply up to 28 days before you complete the period. Applying earlier is a refusal.
The 180-day test is applied the way the Home Office applies it since January 2018: for every absence, the 12 months ending on the day you returned are checked, and if the total days absent in that window exceed 180 your continuous residence is broken. Days are whole days outside the UK; the day you leave and the day you come back are days in the UK.
If residence is broken, the qualifying period restarts from the day you returned after the absence that broke it, and the calculator recalculates from there.
Citizenship has separate limits: no more than 450 days away in the five years before you apply (270 in three years if married to a British citizen) and 90 in the final year. The calculator totals your entered absences against the standard limits so you can see where you stand.

This is arithmetic, not advice. It applies the general rule only. It does not know about the exceptions for compassionate absences, pandemic travel disruption, research absences or Crown service, it does not check your visa dates, and it cannot tell you which route's qualifying period applies to you. Read the 180-day rule guide and, if anything is marginal, check with a regulated adviser before you rely on a date.