HydraulicBooks

Hydraulic Calculation Tools

Free online calculators for pressure conversion, cylinder force, flow speed, motor torque and more.

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Cylinder Thrust & Pull Force

Calculate hydraulic cylinder push/pull force from bore, rod and pressure.

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Flow & Cylinder Speed

Compute cylinder speed and required pump flow from bore and stroke.

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Hydraulic Power Calculator

Compute hydraulic power (kW) from pressure and flow rate.

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Line Pressure Loss Estimator

Estimate pressure drop across pipes, bends and fittings.

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Motor Torque Calculator

Estimate hydraulic motor torque and output power from displacement.

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Pressure Unit Converter

Instant conversion between MPa, Bar, PSI, and kgf/cm².

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System Heat Rise Estimator

Estimate oil temperature rise from system power losses.

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