Add, subtract, convert time units, calculate time differences, and perform time calculations with ease. Perfect for project planning, scheduling, and time management.
| Unit | Seconds | Minutes | Hours | Days | Weeks |
|---|
Easily add or subtract days, hours, minutes, and seconds. Perfect for calculating total project time or time differences.
Calculate exact time duration between two dates and times, accounting for different days, months, and years.
Convert between seconds, minutes, hours, days, weeks, months, and years with precision and ease.
Calculate work duration excluding breaks. Essential for time tracking, payroll, and project management.
View results in days/hours/minutes/seconds format as well as total hours, minutes, and seconds.
All calculations are done locally in your browser. Your data never leaves your computer.
Use the time calculator to estimate total project duration by adding individual task times together.
Calculate work hours accurately by subtracting break times from total working hours.
Calculate time differences between time zones for international travel and meeting scheduling.
Perfect for students learning time conversions and calculations in math and science classes.