Time & Date Tools
Free online calculators and utilities
Time
Countdown Timer
Count down to any date or event. Share your countdown with a link.
Decimal Hours Converter
Convert minutes to decimal hours and back. Includes a full minute-to-decimal table.
Military Time Converter
Convert between 12-hour and 24-hour time. Includes a full military time chart.
Online Stopwatch
Stopwatch with lap timer. Tracks best and worst laps. Fullscreen mode included.
Online Timer
Countdown timer with sound and browser notifications. Works accurately in background tabs.
Pomodoro Timer
Focused 25-minute work sessions with short and long breaks. Visual session tracker.
Sleep Calculator
Calculate when to wake up or go to sleep based on 90-minute sleep cycles.
Time Calculator
Add hours and minutes together. Get totals in hours, minutes, and decimal hours.
Time Duration Calculator
Calculate hours between two times. Add multiple entries, subtract breaks, compute total pay.
Time Zone Converter
Convert time between cities and time zones. See the current time anywhere in the world.
Unix Timestamp Converter
Convert epoch time to date and back. Live current Unix timestamp in seconds and milliseconds.
Work Hours Calculator
Time card and timesheet calculator. Tracks daily hours, breaks, overtime, and pay.
Date
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
Date Calculator
Days between two dates, or find what date falls a number of days from today.
Days Between Dates
Calculate the exact number of days between any two dates. Includes weeks breakdown.
Week Number Calculator
Find the current week number of the year. Includes a calendar with week numbers.