HOS Calculator — Drive, Shift, Cycle
Property-carrying limits: 11-hr drive, 14-hr window, 60/70-hr cycle. Enter hours already used — see what is left before you book.
Planning check only — your ELD is the legal record. 30-min break at 8 hrs driving, 10-hr off, 34-hr restart rules still apply.
Worked example: 6 drive / 8 on-duty / 45 cycle
Drive left 5.0 hrs, shift left 6.0 hrs, cycle left 25.0 hrs — the drive clock binds first. A 400-mile leg at 55 mph needs ~7.3 hrs: split it or restart.
HOS questions
How many hours can I drive today?
11 hours of driving inside a 14-hour window after 10 consecutive hours off. This calculator subtracts what you have used from each limit.
What is the 70-hour rule?
No driving after 70 on-duty hours in 8 days (60 in 7 for some carriers). A 34-hour restart resets the cycle.
Does this replace my ELD?
No. It is a planning check before you accept a load. Your ELD is the legal record — compare its numbers before rolling.