Free calculators
CNC router feeds and speeds calculator
Work out CNC router feed rate from RPM, flutes and chipload, in in/min or mm/min, with starting chiploads for wood, MDF, plastics and aluminum.
CNC chipload calculator
Check the chipload your CNC router is actually cutting at from feed, RPM and flutes, compared with starting ranges for wood, MDF, plastics and aluminum.
CNC cut time calculator
Estimate CNC router or plasma cut time from toolpath length, feed rate, passes and plunges, with an optional machine-hour rate to price the time.
V-carve depth calculator
Find how deep a V-bit cuts for a given line width and bit angle (30°, 60°, 90°, 120°), and the widest line your material thickness allows.
Sheet nesting calculator (parts per sheet)
How many rectangular parts fit on a 4x8 (1220×2440 mm) or 5x5 sheet once bit width and edge margin are allowed for, sheets needed and board feet.
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