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Two forestry & environment tools, side-by-side. See which fits your task.
Forestry & Environment
Estimate stream flow rate from cross-section area and velocity.
Open Stream FlowForestry & Environment
Calculate watershed drainage area and estimate runoff volume.
Open WatershedYour specific task is estimate stream flow rate from cross-section area and velocity. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate watershed drainage area and estimate runoff volume. 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. Stream Flow focuses on estimate stream flow rate from cross-section area and velocity; Watershed focuses on calculate watershed drainage area and estimate runoff volume. 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 Stream Flow and Watershed work without signup. We only ask for an email if you decide to subscribe to a paid plan.