Industrial Calculators
All our professional-grade tools for machinists, fabricators, and engineers
CNC Speed & Feed
Calculate optimal spindle speed and feed rate for machining operations based on material and tooling.
Hardness Converter
Convert hardness values between Rockwell, Brinell, Vickers, and other scales.
Sheet Metal Bend
Calculate bend allowance, deduction, and flat pattern length for sheet metal fabrication.
Hydraulic Force
Determine the force output of a hydraulic cylinder given pressure and piston area.
Weld Consumables
Estimate the amount of welding wire, rod, or shielding gas required for a given joint.
Bolt Torque
Calculate recommended tightening torque based on bolt size, grade, and lubrication.
Drill & Tap Chart
Quick reference for drill sizes, tap sizes, and clearance holes for standard threads.
Material Weight
Calculate the weight of metal stock by dimensions and material density.
Torque & Power
Convert between HP, kW, Nm, and lb-ft across different RPMs.
Wire Sizing
Calculate ampacity and voltage drop for industrial wiring applications.
Thread Pitch
Calculate tap drill sizes, thread percentages, and pitch dimensions.
Surface Finish
Convert between Ra, Rz, RMS, and other surface roughness scales.
Spring Calculator
Calculate compression and extension spring force, rate, and dimensions.
Beam Load
Calculate simple beam deflection, stress, and load for common configurations.
Pneumatic Cylinder
Determine cylinder bore size based on required force and pressure.
Gear Ratio
Calculate gear ratios, RPM output, and torque for gear trains.
Thermal Expansion
Calculate material length and volume change with temperature.
Belt & Pulley
Calculate drive system pulley diameters, belt length, and speed ratios.
Air Compressor
Calculate CFM requirements based on tools and usage patterns.
Motor Sizing
Select motor HP/kW based on torque and speed requirements.
Weld Heat Input
Calculate heat input in kJ/mm based on amps, volts, and travel speed.