Date Tools & Calculators

Free online date calculators, countdown timers, and planning tools.

Calculators

Calculate your exact age in years, months, days, and more.

Calculate the exact number of days, weeks, and months between any two dates.

Calculate your estimated due date and pregnancy week.

Calculate business days between dates, excluding weekends and holidays.

Create custom countdowns to any date or event.

Find what date is X days from today or X days ago.

Convert weeks to months with exact fractional results.

Check if any year is a leap year and find nearby leap years.

Find the ISO week number for any date.

Generate random dates within a specified range.

Find your zodiac sign by entering your birth date.