🇺🇸 US edition · Metric and US customary unitsPrecision engineering calculators & references
Machining

Feed Rate Calculator

Calculate milling feed from RPM, flutes and chip load.

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About this calculation

Calculate milling feed from RPM, flutes and chip load. This page gives the formula, a direct calculator and practical context so the result can be checked rather than treated as a black box.

Common mistakes

Mixing units, using nominal rather than measured dimensions, omitting efficiency or friction factors, and applying theoretical results without an appropriate safety factor are the most common errors.

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