Pick a date of birth to see the exact age in years, months and days, plus the days until the next birthday.
An exact age calculation matters more than people realize. Social Security eligibility ages (62, 67, 70) are calculated to the exact month and day. Medicare enrollment windows open exactly 3 months before your 65th birthday. Required Minimum Distributions from retirement accounts begin based on your exact birth year. Knowing your precise age in months helps with medical decisions, insurance eligibility, and financial planning milestones.
Age 18: can open individual brokerage accounts, sign contracts. Age 25: car insurance rates typically drop as actuarial risk decreases. Age 50: 401(k) catch-up contributions ($8,000 extra in 2026), IRA catch-up ($1,100 extra). Age 55: penalty-free 401(k) withdrawals if you leave your employer (Rule of 55). Ages 60 to 63: a larger 401(k) catch-up of $11,250. Age 59½: penalty-free IRA and 401(k) withdrawals. Age 62: earliest Social Security claiming age. Age 65: Medicare eligibility. Age 67: full Social Security retirement age for anyone born in 1960 or later. Age 70: the latest age worth waiting for, because Social Security benefits stop growing after 70. Age 73: Required Minimum Distributions begin from your own retirement accounts (age 75 if you were born in 1960 or later).