Hydraulic Power Calculator – Pressure, Flow Rate, kW & hp

Calculate theoretical hydraulic power from pressure and flow rate with this free Hydraulic Power Calculator. It supports Metric and US Imperial units and converts results between kilowatts (kW) and horsepower (hp).

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Hydraulic Pump Power Calculator – Output Power, Input Power & Efficiency

Calculate theoretical hydraulic output power, estimated pump input power, and estimated power loss from pressure differential, flow rate, and overall efficiency. This free Hydraulic Pump Power Calculator supports Metric and US Imperial units and displays results in kW and hp.

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Hydraulic Motor Torque Calculator – Theoretical & Actual Torque

Hydraulic Motor Torque Calculator

Calculate hydraulic motor theoretical torque and estimated actual shaft torque from pressure difference, displacement and mechanical efficiency. Free Metric and Imperial calculator with formulas and examples.

T_actual depends on pressure difference Δp, motor displacement V_g and mechanical efficiency η_m.

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Hydraulic Cylinder Flow & Speed Calculator

Calculate hydraulic cylinder extension and retraction speed from the oil flow rate, or calculate the flow rate required to reach a target speed. This free calculator supports Metric and Imperial units and accounts for the different effective areas used during push and pull motion.

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Hydraulic Cylinder Bore Size Calculator – Calculate Required Bore Diameter

Hydraulic Cylinder Bore Size Calculator

Calculate the theoretical minimum piston bore required to achieve a target hydraulic cylinder force at a known working pressure. Supports push (extend) and pull (retract) calculations in Metric and Imperial units.

Conceptual cross-section. D is the cylinder bore diameter measured across the piston; d is the piston rod diameter. The pull sketch shows one continuous rod, without an extra rod segment.

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