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Two marine & boating tools, side-by-side. See which fits your task.
Marine & Boating
Reference for rudder types: spade, skeg-hung, transom-hung, and balanced rudders.
Open Rudder TypesYour specific task is reference for rudder types: spade, skeg-hung, transom-hung, and balanced rudders. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate total sail area from mainsail and jib dimensions. 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. Rudder Types focuses on reference for rudder types: spade, skeg-hung, transom-hung, and balanced rudders; Sail Area focuses on calculate total sail area from mainsail and jib dimensions. 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 Rudder Types and Sail Area work without signup. We only ask for an email if you decide to subscribe to a paid plan.