Free CNC Machining Calculators & Engineering Tools

Accurate cutting speed, feed rate, and machining calculations — built for real shop-floor use.

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Popular Machining Calculators

CUTTING SPEED CALCULATOR
FEED RATE CALCULATOR
MRR CALCULATOR
TAP DRILL SIZE CALCULATOR
SURFACE FINISH CALCULATOR
MPa ksi MPa TO ksi CONVERTER

Machining Charts

tap drill chart
thread chart
cutting speed
material properties

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