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Speeds and Feeds Calculator

Work out spindle RPM, feed rate and material removal rate for milling, turning and drilling.

Works in BrowserInstant
m/min
mm
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mm/t
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Spindle Speed
Feed Rate

⚠️ Cutting speeds are general starting points, not manufacturer data. Always check the tooling supplier's recommendations, and reduce feeds and speeds for deep pockets, long reaches, weak setups or interrupted cuts. Start conservative and work up.