Calculator category
Mechanical Calculators
Bearings, pulleys, gears, shafts and moving parts.


Mechanical
Open calculator →Bearing Dimensions and Size Converter
Compare bearing bore, outside diameter and width in mixed units.
Mechanical
Open calculator →Pulley Ratio and Speed Calculator
Calculate output speed, ratio, belt travel and theoretical torque change.
Mechanical
Open calculator →Gear Ratio and Speed Calculator
Calculate output speed, direction and theoretical torque change.
Belt Length Calculator
Estimate open belt length, drive ratio and driven RPM.
RPM and Surface Speed Calculator
Convert RPM and diameter into surface speed, or calculate RPM.
Tap Drill Calculator
Estimate tap drill size from thread diameter and pitch.
Hydraulic Cylinder Force Calculator
Estimate hydraulic cylinder extension and retraction force from pressure, bore, and rod diameter.