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Two marine & boating tools, side-by-side. See which fits your task.
Marine & Boating
Check propeller cavitation risk from RPM, diameter, and immersion depth.
Open CavitationMarine & Boating
Calculate anchor chain scope needed from water depth and conditions.
Open Chain LengthYour specific task is check propeller cavitation risk from rpm, diameter, and immersion depth. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate anchor chain scope needed from water depth and conditions. 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. Cavitation focuses on check propeller cavitation risk from rpm, diameter, and immersion depth; Chain Length focuses on calculate anchor chain scope needed from water depth and conditions. 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 Cavitation and Chain Length work without signup. We only ask for an email if you decide to subscribe to a paid plan.