Time Calculator
The Time Calculator adds or subtracts two durations and shows the result both as H:M:S and as decimal hours (e.g. 1.5 hours for payroll calculations).
How to use
- 1Enter the first duration (hours, minutes).
- 2Choose "Add" or "Subtract" and enter the second duration.
- 3See the result as H:M:S and as decimal hours.
Why FREE PDF?
- Completely free
- No account required
- Processing happens in your browser whenever possible
- Your files stay yours
Related Tools
Unit Converter
Convert length, weight, area, volume, temperature, and data units.
File Size Converter
Convert file sizes between Byte, KB, MB, GB, and TB.
Aspect Ratio Calculator
Find the simplified aspect ratio from width and height, and resize proportionally.
DPI & Print Size Calculator
Calculate print size from pixels and DPI, or the required pixel size from a target print size.
Frequently Asked Questions
How do I add two time values?
Enter both durations in hours:minutes:seconds format — the sum or difference is calculated instantly.
Can I convert hours:minutes to decimal hours?
Yes, for example convert 1 hour 30 minutes to 1.5 hours — and back again.
Can I calculate totals exceeding 24 hours?
Yes, for example when adding up work hours across multiple days, totals beyond 24 hours are shown correctly.
Can this be used for payroll/timesheet calculations?
Yes, it's a handy helper for totaling work hours and converting them to decimal hours.