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Two marine & boating tools, side-by-side. See which fits your task.
Marine & Boating
Estimate hull displacement from dimensions and block coefficient.
Open Hull DispMarine & Boating
Estimate maintenance costs based on engine hours and service intervals.
Open Engine HoursYour specific task is estimate hull displacement from dimensions and block coefficient. Open the page, drop your input, get the result — typically under a second.
Your goal is estimate maintenance costs based on engine hours and service intervals. 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 Disp focuses on estimate hull displacement from dimensions and block coefficient; Engine Hours focuses on estimate maintenance costs based on engine hours and service intervals. 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 Disp and Engine Hours work without signup. We only ask for an email if you decide to subscribe to a paid plan.