Date Difference Calculator

Enter two dates below to find out exactly how many days, weeks, months, and years separate them. Useful for counting down to events, calculating ages, project timelines, and contract durations.

How it works

The calculator measures the difference between the two calendar dates. The total days figure counts the span from the start date to the end date. Weeks are computed by dividing total days by 7, and the years/months breakdown accounts for varying month lengths and leap years automatically.

Common uses

People use date difference calculators to track pregnancy weeks, count days until a wedding or vacation, measure employment tenure, calculate interest periods for loans, and check visa or contract durations.

Privacy note: your dates are processed in your browser only and are never uploaded anywhere.