CNC LATHE TAPER

Calculate chamfers, taper, & radii. Then export the g-code for your CNC lathe. Export corner rounding g-code for internal & external chamfers, taper, & radii with tool nose compensation.

CALCULATE CUTTING SPEED

Calculate cutting speed for turning, milling, & drilling. Choose from over 180 different types of material. Choose cutter material type (Carbide or HSS) & fine tune by setting the material hardness. (App shows hardness limits for each material)

TAP DRILL CALCULATOR

Tap drill calculator for both roll form and cut taps based on your required percentage of thread.

MILLING CALCULATORS

Cusp height calculator, Radial chip thinning calculator, Effective diameter for ball end mills, IPT to IPM conversion, Cutting speed calculator, SFM to RPM calculator

THREAD DATA

Get thread pitch, major, minor, root radius, helix angle, and more for 60° threads. Shows min and max wire sizes for checking each thread and shows the correct measurement over pins for whatever wire size you choose. Contains UNC, UNF, UNEF, UNS, UN, UNM, UNJ, & M profile threads. UN threads up to Ø4" & M profile threads up to Ø600mm

TURNING CALCULATORS

Groove & cut off cycle time calculator, Roughing cycle time calculator, Turning SFM calculator, SFM to RPM conversion tool, IPR to IPM conversion tool, IPM to IPR conversion tool

BOLT CIRCLE CALCULATOR

Calculate bolt circle coordinates based on bolt circle for up to 36 holes.

THREAD PASS CALCULATOR

Calculate thread passes in turning. Also calculate helix angle, thread height, & more..

TRIANGLE SOLVER

Calculates angles and sides of both right & oblique triangles. Just enter any two values for a right triangle or any three values for an oblique triangle.

TRUE POSITION CALCULATOR

Calculate true position of a feature based on the distance from zero in the X & Y axis

CIRCLE SEGMENT CALCULATOR

Calculate angle, radius, arc length, chord length, tangent length, middle ordinate, segment area, and sector area of a circle segment.

SURFACE FINISH CALCULATORS

Calculates lathe surface finish based on tool radius and feed. Calculate mill side wall finish based on tool diameter, cutting edges, and feed rate. Calculate step over distance of ball end mill based on your required surface finish. Convert Ra finish to other common surface finishes such as RMS, Rp, & Rt.

DRILLING CALCULATORS

Calculate cutting speed, feed, & cut time based on drill diameter, tool material, and depth. Also calculate drill point length based on tool diameter and drill point angle. 

GEOMETRIC CALCULATIONS

Calculate Sine bar block height. Calculate circular segment features. Calculate area, radius, & circumference of a circle. Calculate the diameter over a hex & diameter over the points of a square.

UNIT CONVERSIONS

Convert degrees, minutes, & seconds to decimal degrees and vice versa. Convert fraction to decimal. Convert inch to metric. Convert surface meters to surface footage.

M-CODE & G-CODE LISTS

Full listing & descriptions of m-codes & g-codes

GEOMETRIC DIMENSIONING AND TOLERANCING

GD&T symbols & Definitions 

CNC KEY WAY BROACH CYCLE TIME & PASS CALCULATOR

Calculate cycle time and passes for broaching keyways inside your CNC machine. Learn more at www.cncbroachtools.com

CUSTOM MACRO REFERENCE INFO

Full variable list, arithmetic symbols and examples, macro variable arguments, branches & loops, and other reference data with examples (press and hold to see examples)

CENTER DRILL DIMENSONS

Center drill dimensions for both standard and bell type center drills size 00 thru 8.

TAP & DRILL CHART

Tap and drill chart for sizes up to Ø1" (Ø25.4mm).

GUN DRILL SPEED & FEED CALCULATOR

Calculate speed, feed, cycle time & required coolant pressure for gun drilling based on material and hardness.

HARDNESS CONVERSION CHART

Convert hardness from Brinell, to Rockwell, to Tensile strength.