Date & Age Tools
11 free date & age tools
Calculate dates, ages, and time differences
Age Calculator
PopularCalculate exact age in years, months, and days.
Date Calculator
Calculate days between dates and date differences.
Time Calculator
Add or subtract hours, minutes, and seconds.
Add/Subtract Date
Add or subtract days, weeks, months to a date.
Business Days
Calculate working days between two dates.
Add Business Days
Add business days to a date.
Birthday Calculator
Calculate days until your next birthday.
Anniversary Calculator
Track anniversaries and milestones.
Countdown Calculator
Create countdowns to any date or event.
Pregnancy Calculator
Calculate due date and pregnancy milestones.
Retirement Calculator
Plan your retirement timeline.
About Date & Age Tools
Date & Age tools make time-based calculations simple. Calculate exact age, days between dates, business days, countdowns, anniversaries, and more without mental math.
Why use our date & age tools?
- Calculate exact age in years, months, and days
- Find business days between dates for project planning
- Add or subtract days, weeks, or months from any date
- Track birthdays, anniversaries, and retirement timelines
- Plan pregnancy due dates and personal milestones
Popular use cases
HR teams count business days for leave, couples track anniversary countdowns, and expectant parents estimate due dates.