Date & Time Calculators
Free online date and time tools for calculating ages, date differences, academic grades, and more.
Date & Age
- Age Calculator — Exact age in years, months, days, and hours, plus zodiac sign and next birthday countdown
- Date Calculator — Add or subtract days from a date, or find the number of days between two dates
Time Tools
- Time Calculator — Add, subtract, and convert time between hours, minutes, and seconds
- Hours Calculator — Calculate hours and minutes between two timestamps
- Working Days Calculator — Count business days between dates, excluding weekends and holidays
Tools
- Random Number Generator — Generate random numbers in a range, with or without duplicates
- Fuel Cost Calculator — Gas cost per trip using distance, MPG or L/100km, and fuel price
You May Also Need
- Utility Tools — Password generator, QR code generator, JSON formatter, and word counter
- Education Calculators — GPA, weighted grade, and CGPA-to-percentage tools
- Salary Calculator — Convert hourly wages to annual salary
- Pregnancy Calculator — Track due date and trimester milestones
- Sleep Calculator — Optimal bedtime based on sleep cycles
- Percentage Calculator — Calculate grade percentages and time ratios
- Time Unit Converter — Convert between seconds, minutes, hours, and more