Hydraulics calculators
Pre-size cylinders, lines, and hydraulic accumulators with transparent physical models.
Enter force, pressure loss, or working volume, review the result, then complete component and safety checks.
Calculators in this category
NPSH of a Pump Installation
Calculate the available NPSH from vessel pressure, vapour pressure, density, static head and suction line loss, check it against the pump's NPSHr with the conventional 0.5 m margin, and see which term consumes the cavitation reserve.
Open calculator →Hydraulic Cylinder Force and Bore
Calculate extension/retraction force and required bore from pressure, rod size, and efficiency.
Open calculator →Hydraulic Line Pressure Loss
Estimate Darcy-Weisbach pipe, fitting, elevation, and pump pressure losses.
Open calculator →Hydraulic Accumulator Sizing
Size gas volume for a required usable volume and pressure range.
Open calculator →Hydraulic Pump and Motor Power
Calculate hydraulic power, pump shaft power, electrical input, and shaft torque.
Open calculator →Hydraulic Orifice / Restrictor Sizing
Size a liquid restrictor from flow, pressure drop, density, and discharge coefficient.
Open calculator →Hydraulic Cylinder Rod Buckling
Estimate Euler or Johnson buckling load and compression utilization.
Open calculator →Select a hydraulic cylinder from ISO series
Select the smallest ISO 6020-1 or ISO 6022 bore meeting force, pressure and speed.
Open calculator →Pump Specific Speed Calculator
Calculate the specific speed of a centrifugal pump from speed, flow rate and head at the best-efficiency point to classify the design type.
Open calculator →Pump Total Head Calculator
Calculate the total head a pump must deliver from static lift, pressure difference between vessels and pipeline losses.
Open calculator →Manning Equation Calculator for Open Channels
Calculate the average flow velocity in an open channel under normal flow from roughness coefficient, hydraulic radius and bed slope.
Open calculator →Hydraulic Pump Flow Rate Calculator
Calculate the theoretical and actual flow rate of a positive-displacement pump from displacement, speed and volumetric efficiency.
Open calculator →Hydraulic Cylinder Speed Calculator
Calculate extend and retract speed of a differential hydraulic cylinder from piston area, annular area and flow rate.
Open calculator →Hydraulic Motor Speed Calculator
Calculate the theoretical and actual output speed of a hydraulic motor from flow rate, displacement and volumetric efficiency.
Open calculator →Hydraulic Line Flow Velocity Calculator
Calculate the mean flow velocity in a hydraulic line from flow rate and inner diameter and compare it with guideline values for suction, pressure and return lines.
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