Features
- Easily add or subtract times in either in total seconds (85 seconds) or minutes and seconds (1:15).
- Clean, minimalist interface
- No need to place a colon (:) or split between minutes and seconds; it does it for you automatically
- More features coming soon, including multiplying time to determine rest periods
*If this is not the "Interval Time Calculator" product you were looking for, you can check the other results by clicking this link