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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 true heading from compass heading and deviation.
Open Compass DevYour 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 true heading from compass heading and deviation. 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; Compass Dev focuses on calculate true heading from compass heading and deviation. 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 Compass Dev work without signup. We only ask for an email if you decide to subscribe to a paid plan.