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Cutting Speed and Feed Calculator
Convert a supplied cutting speed into spindle rpm and milling feed.
Effective cutting diameter (mm), Supplied cutting speed (m/min), Supplied feed per tooth (mm), Effective cutting teeth
JSON
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter the labelled values and use the displayed units.
- Choose Calculate result and inspect the full report, assumptions and undefined/no-solution status.
- Choose Download result to save the complete JSON. Reset clears results and restores the example controls.
Examples
Effective cutting diameter (mm): 10
Supplied cutting speed (m/min): 100
Supplied feed per tooth (mm): 0.05
Effective cutting teeth: 4
Limitations
- Diameter mm and cutting speed m/min positive; feed/tooth mm nonnegative; effective tooth count whole 1–1000. Mathematical conversion only; no recommended material settings, machine/tool rating or safe machining advice.
- Scalar numeric inputs use explicit decimal syntax and IEEE-754 arithmetic; unless a tighter bound is stated, positive values are 1e-12–1e12 and nonnegative values 0–1e12. Derived inventory counts above 1 billion and nonfinite results are refused. Combined input limit400,000 UTF-8 bytes;complete JSON output limit4MiB. Numeric/code input controls allow128 characters. All processing stays in your browser.
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