44 tools
Mechanics
Force, torque, rotation, gear ratios, belt speed, stress and the mechanical calculations used on the shop floor.
Tools in this category
- MechanicsTorque CalculatorTorque from a force applied at a distance, in N·m, kgf·m and lbf·ft.
- MechanicsForce Calculator (F = m·a)Force from mass and acceleration, plus the weight of that mass under standard gravity.
- MechanicsMechanical Power from Torque and SpeedShaft power in watts, kW and horsepower from torque and rotational speed.
- MechanicsGear Ratio CalculatorGear ratio, output speed and output torque from the number of teeth on each gear.
- MechanicsStress CalculatorDirect stress from a force acting on a cross-section, in MPa, psi and kgf/cm².
- MechanicsCutting Speed and RPM CalculatorConvert between surface cutting speed and spindle speed for a given tool or workpiece diameter.
- MechanicsPulley Speed CalculatorDriven pulley speed, drive ratio and belt linear speed from two pulley diameters.
- MechanicsBolt Tightening Torque CalculatorTightening torque needed to reach a target bolt preload, using the nut-factor method.
- MechanicsMaterial Weight CalculatorWeight of a rectangular bar or plate, with weight per metre and per square metre.
- MechanicsHydraulic Cylinder Force CalculatorPush and pull force of a hydraulic cylinder from bore, rod diameter and working pressure.
- MechanicsTapping Drill Size CalculatorDrill diameter for a metric thread at a chosen engagement, plus the clearance and pitch diameters.
- MechanicsBeam Deflection CalculatorSag of a simply supported beam with a central point load, and the span-to-deflection ratio.
- MechanicsBelt Length CalculatorApproximate belt length and wrap angle on the small pulley from two diameters and centre distance.
- MechanicsElastic Elongation CalculatorHow much a bar stretches under load, with the resulting strain and stress.
- MechanicsMachining Feed Rate CalculatorTable feed in mm/min from spindle speed, feed per tooth and number of teeth.
- MechanicsLever CalculatorOutput force and mechanical advantage of a lever from the two arm lengths.
- MechanicsBearing Life (L10) CalculatorBasic rating life of a rolling bearing in hours, revolutions and years of continuous running.
- MechanicsSling Angle Load CalculatorTension in each sling leg at a given angle from vertical, with the angle factor and the sideways pull.
- MechanicsSpring Rate CalculatorSpring stiffness in N/m and N/mm from a known force and deflection, with the stored energy.
- MechanicsShaft Torsion Stress CalculatorShear stress and section modulus of a solid round shaft under torque.
- MechanicsEuler Buckling Load CalculatorCritical buckling load of a column, with the stress at that load and the slenderness ratio.
- MechanicsGear Module and Centre Distance CalculatorPitch diameter, outside diameter, circular pitch and the centre distance of a gear pair.
- MechanicsPump and Fan Affinity Laws CalculatorFlow, head and power at a new speed, with the power saved and what that saves in a year.
- MechanicsSecond Moment of Area CalculatorI and W for a solid rectangular section and a solid round section.
- MechanicsCentrifugal Force CalculatorForce on a rotating mass, in newtons, kilogram-force and g.
- MechanicsHelical Compression Spring CalculatorSpring rate, deflection under load, spring index, Wahl factor and the corrected shear stress.
- MechanicsHydraulic Pump Flow CalculatorFlow delivered by a pump and the drive power it needs at a working pressure.
- MechanicsSheet Metal Bend Allowance CalculatorBend allowance and total flat length for a sheet metal part before folding.
- MechanicsFillet Weld Size CalculatorThroat and leg size a fillet weld needs for a load, and the capacity of a weld you already have.
- MechanicsNPSH Available CalculatorNet positive suction head available at a pump, the margin over what it requires, and the highest suction lift it allows.
- MechanicsHydraulic Motor Torque CalculatorTorque, shaft speed and power of a hydraulic motor from pressure, displacement and flow.
- MechanicsPlanetary Gear Ratio CalculatorThe three ratios an epicyclic set can give depending on which member is held, and the planet tooth count.
- MechanicsBeam Natural Frequency CalculatorFirst and second natural frequencies of a simply supported beam, with the static deflection and the deflection-based estimate.
- MechanicsFlywheel Energy CalculatorStored energy, moment of inertia and rim speed of a solid disc flywheel.
- MechanicsLead Screw Torque CalculatorTorque to raise and to lower a load on a power screw, with the efficiency and the drive power.
- MechanicsOrifice Plate Flow CalculatorFlow rate through an orifice plate from the differential pressure, with the beta ratio and velocities.
- MechanicsFatigue Life Calculator (Basquin)Cycles and running hours to fatigue failure at a stress amplitude, with the stress giving a million cycles.
- MechanicsMachining Time CalculatorCutting time for a turning pass, with spindle speed, feed rate in mm/min and material removal rate.
- MechanicsMean Piston Speed CalculatorAverage piston speed at a given engine speed, and the rpm that reaches 20 m/s.
- MechanicsPump Power CalculatorShaft power a pump needs for a given flow, head and efficiency.
- MechanicsPipe Pressure Rating Calculator (Barlow)Working or burst pressure of a pipe from outside diameter, wall thickness and allowable stress.
- MechanicsBolt Shear Capacity CalculatorDesign shear and tension capacity of a bolt from its stress area, grade and the number of shear planes.
- MechanicsPress Brake Tonnage CalculatorBending force in kN and tonnes for air bending, plus minimum flange and the natural inside radius for the die.
- MechanicsTurning Surface Roughness CalculatorTheoretical Ra and Rz from feed and tool nose radius, and the feed needed to hit a target roughness.