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Hull speed log — measure speed the classic way
Time over a known ship length at the rail — speed in knots without an electronic log. Always available offline.
Log faulty or for a check
To check the log speed or when only compass and stopwatch are available, the classic hull speed log method helps.
In NauticCalc
- ·Hull speed log with configurable ship length
- ·Result in knots
- ·Offline — no network needed
- ·Complements GPS and ETA calculator
- ·For training and practice
Fully offline
Only ship length and timing — runs locally.
Classic navigation
Complements GPS — does not replace it offshore.
Frequently asked questions
As accurate as your ship length and timing. Suitable for checks and training, not to replace a certified log.
Related topics
Measure speed — offline
Part of the app
