⌘K
We use cookies to improve your experience
We use essential cookies to make our site work. With your consent, we may also use non-essential cookies to improve user experience.
Marine & Boating
Calculate theoretical hull speed from waterline length for displacement vessels.
Open Hull SpeedMarine & Boating
Reference for life raft types: coastal, offshore, and SOLAS-approved with sizing.
Open Life RaftYour specific task is calculate theoretical hull speed from waterline length for displacement vessels. Open the page, drop your input, get the result — typically under a second.
Your goal is reference for life raft types: coastal, offshore, and solas-approved with sizing. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Hull Speed focuses on calculate theoretical hull speed from waterline length for displacement vessels; Life Raft focuses on reference for life raft types: coastal, offshore, and solas-approved with sizing. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Hull Speed and Life Raft work without signup. We only ask for an email if you decide to subscribe to a paid plan.