Select the appropriate calculator from the below options or from the main menu. Pump CalculatorsCalculate displacement, power, flow and efficiency for hydraulic gear pumps. Motor CalculatorsCalculate torque and power for hydraulic motors and gearbox winches. Cylinder CalculatorsCalculate force, speed and flow for your hydraulic cylinder. Orifice CalculatorsCalculate the hydraulic flow from an orifice. Conversion CalculatorsCalculate pressure, weight, torque and power conversions.