Age milestone countdowns
Pick a milestone, enter your birthday, and get the exact date plus a live countdown down to the second. Every counter runs in your browser, so your date of birth never leaves your device. For your current age right now, use the age calculator.
Birthday milestones
The classic birthday countdowns. Each page adds the target age to your date of birth and ticks down to the day, with the legal and cultural significance of that age.
- How many days until I turn 1?Enter your birthday to see exactly how many days, weeks, and months until you turn 1, with a live countdown to your 1st birthday.
- How many days until I turn 13?Enter your birthday to see exactly how many days, weeks, and months until you turn 13, with a live countdown to your 13th birthday.
- How many days until I turn 16?Enter your birthday to see exactly how many days, weeks, and months until you turn 16, with a live countdown to your 16th birthday.
- How many days until I turn 18?Enter your birthday to see exactly how many days, weeks, and months until you turn 18, with a live countdown to your 18th birthday.
- How many days until I turn 21?Enter your birthday to see exactly how many days, weeks, and months until you turn 21, with a live countdown to your 21st birthday.
- How many days until I turn 25?Enter your birthday to see exactly how many days, weeks, and months until you turn 25, with a live countdown to your 25th birthday.
- How many days until I turn 30?Enter your birthday to see exactly how many days, weeks, and months until you turn 30, with a live countdown to your 30th birthday.
- How many days until I turn 40?Enter your birthday to see exactly how many days, weeks, and months until you turn 40, with a live countdown to your 40th birthday.
- How many days until I turn 50?Enter your birthday to see exactly how many days, weeks, and months until you turn 50, with a live countdown to your 50th birthday.
- How many days until I turn 60?Enter your birthday to see exactly how many days, weeks, and months until you turn 60, with a live countdown to your 60th birthday.
- How many days until I turn 65?Enter your birthday to see exactly how many days, weeks, and months until you turn 65, with a live countdown to your 65th birthday.
- How many days until I turn 100?Enter your birthday to see exactly how many days, weeks, and months until you turn 100, with a live countdown to your 100th birthday.
Day-count milestones
Alternative birthdays measured in days and seconds rather than years - quirky personal anniversaries that rarely line up with a round age.
- When will I be 1,000 days old?Find the exact date you turn 1,000 days old from your birthday, plus a live countdown. Free, instant, no sign-up.
- When will I be 10,000 days old?Calculate the exact date you turn 10,000 days old and count down to it live. A fun alternative-age milestone, free and instant.
- When will I be 20,000 days old?See the exact date you turn 20,000 days old, with a live countdown. A milestone that falls just after your mid-50s.
- When will I be 1 billion seconds old?Pinpoint the exact moment you turn one billion seconds old and watch the live countdown tick down to the second.
Retirement and pension ages
Calendar countdowns to common retirement and pension reference ages. These pages count days to a birthday; they are not benefits estimates or financial advice.
- How many days until I can retire at 62?Count down to age 62, the earliest US Social Security claiming age. Enter your birthday for the exact date and days remaining.
- How many days until I can retire at 65?Count down to age 65, the classic retirement and US Medicare-eligibility age. Enter your birthday for the exact date.
- How many days until I can retire at 67?Count down to age 67, the US Social Security full retirement age for those born in 1960 or later. Enter your birthday for the exact date.
- How many days until I turn 70?Count down to age 70, the point US Social Security delayed retirement credits stop growing. Enter your birthday for the exact date.