Time Calculator - Add, Subtract & Convert Time Units
Free online time calculator to add and subtract time, convert between time units, and calculate time differences. Fast and accurate time calculations.
What is a Time Calculator?
A time calculator is a versatile tool for performing time-related calculations. Add or subtract time durations, convert between different time units (seconds, minutes, hours, days), and calculate the difference between two times. Perfect for project planning, time tracking, and scheduling.
Key Features
- Add and subtract time periods with hours, minutes, and seconds
- Convert between seconds, minutes, hours, and days instantly
- Calculate time differences between two clock times
- Handles time crossing midnight automatically
- No installation required, completely free to use
Common Use Cases
- Project Management: Calculate total time spent on tasks
- Time Tracking: Sum up work hours and break times
- Scheduling: Calculate meeting durations and time slots
- Fitness: Track workout durations and rest periods
- Cooking: Calculate total preparation and cooking times