Mechanical Engineering Calculators — Engineering

Size an air compressor from CFM requirements, duty cycle, and tool demand.

Calculate bearing L10 life using dynamic load rating, equivalent load, and speed.

Calculate V-belt and timing belt length from pulley diameters and center distance.

Calculate cam profiles for follower displacement, velocity, and acceleration.

Calculate centrifugal force from mass, radius, and rotational speed.

Calculate CNC milling feed rate from RPM, number of flutes, and chip load.

Calculate air compressor capacity from tool CFM requirements, duty cycle, and altitude.

Calculate conveyor belt speed, capacity, and motor power from load and dimensions.

Calculate cutting speed in SFM or m/min from workpiece diameter and spindle RPM.

Calculate optimal drill RPM from material cutting speed and drill bit diameter.

Calculate required fan airflow in CFM for room ventilation by volume and air changes.

Estimate fatigue life using S-N curve data and Miner rule for cumulative damage.

Calculate volumetric and mass flow rate from pipe diameter, velocity, and fluid density.

Calculate rotational kinetic energy stored in a flywheel from mass and angular velocity.

Calculate gear module, pitch diameter, and center distance from tooth count and module.

Calculate hydraulic cylinder force from bore diameter and system pressure.

Determine standard keyway dimensions from shaft diameter using ANSI/DIN tables.

Select the correct O-ring size from groove dimensions, ID, and cross-section.

Calculate pneumatic cylinder force and air consumption at operating pressure.

Calculate interference fit pressures and stresses for shaft-hub assemblies.

Calculate wall thickness for cylindrical and spherical pressure vessels using ASME code.

Calculate mechanical advantage and force in single and compound pulley systems.

Calculate total dynamic head for pump selection from static head, friction, and velocity.

Calculate major, minor, and pitch diameters for metric and unified screw threads.

Calculate minimum shaft diameter from torque and allowable shear stress.

Calculate compression spring rate from wire diameter, coil diameter, and active coils.

Convert between Ra, Rz, RMS, and other surface roughness parameters.

Calculate worst-case and statistical tolerance stack-up for assembled parts.

Calculate weld joint strength from weld size, length, and material properties.

Calculate worm gear ratio, lead angle, and efficiency from worm and wheel parameters.