Split sleeper berth calculator

How the sleeper berth split works

Instead of 10 consecutive hours off, a property-carrying driver with a sleeper berth can take the equivalent in two periods. The pair qualifies when:

• neither period is shorter than 2 consecutive hours,
• one period is at least 7 consecutive hours in the sleeper berth, and
• the two add up to at least 10 hours.

Driving in the stretches before and after each rest, added together, may not exceed 11 hours, and duty time must fit the 14-hour limit. Qualifying rests do not count against the 14-hour window, and both limits are recalculated from the end of the first rest of the pair.

SOURCE:eCFR, 49 CFR 395.1(g)(1), OCT 2026;eCFR, 49 CFR 395.3, OCT 2026

How this split sleeper berth calculator counts

You enter the clock time and the driving before the first rest, the first rest and where you spent it, the clock time and driving between the rests, and the second rest. The calculator checks the three pair rules and the 11 and 14 hour limits around the first rest. If the pair qualifies, it subtracts the time between the rests from fresh limits: driving left = 11 - driving between the rests, and window left = 14 - clock time between the rests, whichever runs out first.

Split sleeper mistakes that cause violations

• A 6/4 split. The long period must be at least 7 hours in the sleeper. Six hours does not qualify, however long the other rest is.
• Counting the window from the start of the day. After a valid split, the clock is recalculated from the end of the first rest, not from your original start.
• Forgetting the 30-minute break. You still need a 30-minute break after 8 hours of driving; a qualifying rest of 2 hours or more covers it.
• Ignoring the weekly limit. A good split does not add hours to your 60 or 70 hour week.

The calculator is a planning aid. Your ELD's figures are what an inspector reads, so check them before you roll.

Splits and the loads you book

A split lets you wait out a dock appointment in the sleeper and still drive after. It only helps if pickups and deliveries are planned around it. That is part of what we do when we book: loads that fit the hours you have, not the hours a broker hopes you have. See what our dispatch fee covers, the profit calculator, and for space planning the trailer cube calculator. Box truck with a bunk? See our guides on the box truck with a sleeper and the dual axle box truck.

Questions about this calculator