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Two marine & boating tools, side-by-side. See which fits your task.
Marine & Boating
Reference for marine safety equipment requirements by vessel size and waters.
Open Safety EquipMarine & Boating
Calculate nautical miles between two coordinates using Haversine.
Open Sea DistanceYour specific task is reference for marine safety equipment requirements by vessel size and waters. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate nautical miles between two coordinates using haversine. 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. Safety Equip focuses on reference for marine safety equipment requirements by vessel size and waters; Sea Distance focuses on calculate nautical miles between two coordinates using haversine. 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 Safety Equip and Sea Distance work without signup. We only ask for an email if you decide to subscribe to a paid plan.