Can I use this for billing client hours?
Yes, it provides the final total in both HH:MM:SS and decimal hours (e.g. 37.75 hrs) for direct entry into invoices.
How to Use Time Duration Adder & Subtractor
Step 1: Add Time Entries
Enter time rows (e.g. 1h 30m, 45m, 2h 15m).
Step 2: Select Operation
Add or subtract individual durations.
Step 3: Get Grand Total
View consolidated total in days, hours, minutes, and decimal hours.
Key Features & Capabilities
- Add unlimited duration rows
- Export total as decimal hours for payroll & billing
- Support for subtraction of break times
Frequently Asked Questions
Can I subtract unpaid lunch breaks?
Yes, switch the row operator from plus (+) to minus (-) to deduct break intervals from total time.
Related Tools
- Time Difference Calculator — Calculate exact hours, minutes, and seconds between two time stamps.
- 12 / 24 Hour Time Converter — Convert standard 12-hour AM/PM time into military 24-hour clock and vice versa.