Description from the Publisher
For over 12 years Machinist's Calculator has been saving people time and money!
By using a simple, visual interface, MC makes everyday calculations fast and hassle free!
The Machinist Calculator has been developed to quickly solve common mathematical problems for operators at a price every machinist can afford! Cutting speed, feed rate for turning, drilling and threading; calculations for bolt circles; inch metric conversions for drills;
drill sizes for tapping, trigonometric solutions and much more!
Features
Right angle and oblique trigonometry
Solve Right Angle and Oblique Triangle Trigonometry Calculations in seconds!
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Clean and Simple UI

Visual reference of calculation on graphic background

Switch between Inch and Metric with the one click

Calculate Decimal Angles from Degrees, Minutes, and Seconds right in the app

Print answers right from program (PC Only)
Speeds and feeds, RPM to surface speed, etc. Drill point and countersink depth.
Quickly calculate speeds & feeds for drills, milling cutters, and lathe workpieces!
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Calculate between RPM and Feet Per Minute or Meters Per Minute

Calculate between Feed Per Rev and Feed Per Minute

Calculate tapping feeds for CNC machines

Calculate drill point and countersink depths

Drill charts

Material list containing starting cutting speeds for over 200 materials

Switch between Inch and Metric with the one click

Print answers right from program (PC Only)
Drill size conversion charts. Tapping drill charts for UN and ISO metric, cutting and coldform (roll) taps.
No more referencing books or papers. We have the charts built right in, allowing you to input the information right away!

Quickly lookup Decimal conversions of Inch based Number & Letter Drills

Quickly lookup Tapping Charts for UN & ISO Metric, Cutting, and Coldform (roll) taps

Switch between Inch and Metric with the one click
Chord data calculations
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Calculate Chord Length, Chord Height, Arc Length, Arc Radius and Included Angle

Switch between Inch and Metric with the one click

Print answers right from program
Keyseat in shaft calculations
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Switch between Inch and Metric with the one click

Print answers right from program
Dovetail calculations
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Calculate Decimal Angles from Degrees, Minutes, and Seconds right in the app

Switch between Inch and Metric with the one click

Print answers right from program
Bolt circle calculator and grid layouts
Quickly calculate X and Y coordinates for points arranged equally spaced around a circle!
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Make center of circle any coordinate you require

Place first hole at any angle

Calculate Decimal Angles from Degrees, Minutes, and Seconds right in the app

Switch between Inch and Metric with the one click

Clean and Simple UI

Copy list of coordinates to clipboard to use in a CNC Program (PC Only)

Print answers right from program (PC Only)

Automatically add list of coordinates into email (Mobile Only)
Measuring threads with wire calculations. UN, ISO metric, Acme, Stub Acme, Trapezoidal and NPT threads included.
Quickly make all the calculations required to measure screw threads using the three wire method!
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Whitworth (BSW), UN, ISO Metric, Trapezoidal, Acme, Stub Acme, and National Pipe Taper threads

Uses formulas that give very accurate results for lead (helix) angles generated by single start threads

When measuring threads with larger angles, such as UN or ISO Metric, results will be highly accurate for threads with lead angles up to ten degrees

Print answers right from program
Hexagon and other regular polygon calculations
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Enter any amount of sides needed (up from 3)

Calculates Volume of bar if length is given

Clean and Simple UI

Visual reference of calculation on graphic background

Switch between Inch and Metric with the one click

Calculate Decimal Angles from Degrees, Minutes, and Seconds right in the app

Print answers right from program
Ballnose cutter/surface finish calculations
Quickly calculate the correct amount of stepover to achieve a theoretical surface roughness. The calculated stepover is also the effective diameter to use when calculating the correct cutting speed of the operation.
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Switch between Inch and Metric with the one click

Print answers right from program
Tapers on shafts and pins
Quickly calculate all dimensions required to make and measure a tapered shaft or tapered pin!
Just enter the minimum required info, click Calculate, and your answers instantly appear!

Convert inch per foot taper to included angle or angle per side

Convert angle to inch per foot

Convert inch per foot to taper ratio (metric tapers)

Convert taper ratio to angle

Calculate Decimal Angles from Degrees, Minutes, and Seconds right in the app

Switch between Inch and Metric with the one click

Print answers right from program (PC Only)
Sine Bar Calculations
Quickly and accurately calculate precision block stack or angle for use with sine bars or sine plates.
Just enter the minimum required info, and your answers automatically appear!

Calculate Decimal Angles from Angles, Minutes, and Seconds right in the app

Switch between Inch and Metric simply