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Popular engineering calculators
Open a focused calculator or continue to the complete engineering directory.
Advanced Unit Converter
Engineering, SI, metric and Imperial conversions.
Pipe Pressure Drop Calculator
Darcy-Weisbach pressure-drop screening.
Pump Shaft Power Calculator
Estimate pump power from flow, head and efficiency.
NPSH Available Calculator
Screen available NPSH for pump suction conditions.
Heat Exchanger Area Calculator
Estimate heat-transfer area from duty, U-value and LMTD.
Three-Phase Power Calculator
Calculate three-phase real power.
Beam Deflection Calculator
Estimate center deflection for a simply supported beam.
Round Duct Diameter Calculator
Estimate duct diameter from airflow and velocity.
4–20 mA Scaling Calculator
Convert loop current to engineering units.
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