Hours Calculator
Calculate the duration between start and end times with optional break deduction
Calculate ->13 free calculators
Time and date calculators for every need
Hours worked, date arithmetic, time zones, countdowns, and more.
Weekly Hours Calculator
Calculate total hours worked across a full week for timesheets, payroll and shift work
Calculate ->Age Calculator
Calculate exact age in years, months and days from date of birth to today or a selected date
Calculate ->Hours and Minutes Calculator
Add, subtract, and convert hours and minutes for timesheets, payroll, study time and project tracking
Calculate ->Time Zone Calculator
Convert a date and time from one time zone to another with daylight saving time support
Calculate ->Business Days Calculator
Calculate business days between two dates, excluding weekends and optional holidays
Calculate ->Countdown Timer
Count down to a specific date and time for events, deadlines, launches and reminders
Calculate ->Stopwatch Lap Time Calculator
Measure elapsed time with start, pause, resume, reset and lap tracking
Calculate ->Date Add / Subtract Calculator
Add or subtract years, months, weeks, or days from a given date
Calculate ->Day of the Week Calculator
Determine the day of the week for any given date
Calculate ->Time Units Converter
Convert between seconds, minutes, hours, days and weeks
Calculate ->Military Time Converter
Convert between 12-hour AM/PM time and 24-hour military time
Calculate ->Sunrise Sunset Calculator
Calculate sunrise, sunset and day length for a location and date
Calculate ->