The Modern Engineer's Suite
High-precision online industrial calculators. Solve electrical sizings, fluid mechanics, and thermodynamic equations instantly without installing any software.
Engineering & Technical Tools
Wire Size Calculator
Calculate AWG section and voltage drop per NEC standards.
Water Pump Power
Hydraulic horsepower (WHP) and brake horsepower (BHP).
Pipe Pressure Drop
Friction loss in water piping systems (Hazen-Williams).
Solar PV Calculator
Sizing for solar panels and battery banks.
HVAC Cooling Load
Estimate BTU/h and Tons for AC sizing and refrigeration.
Motor Efficiency
Industrial motor performance and power factor.
Transformer FLA
Full load amps for 3-phase commercial transformers.
PLC Sensor Scaling
Scale 4-20mA or 0-10V analog signals for automation.
Industrial Unit Converters
Weight (kg to lbs)
Convert metric kilograms to imperial pounds.
Temp (°C to °F)
Thermal scales for HVAC and process engineering.
Pressure (PSI to Bar)
Pneumatic and hydraulic pressure units.
Length (m to ft)
Standard meters to feet and inches.
Volume (Gal to L)
Liquid capacity conversion for tanks.
Power (kW to HP)
Convert kilowatts to mechanical horsepower.
Inches to mm
Fractional inches to metric millimeters.
Energy (BTU to kW)
Thermal power and boiler capacity conversion.
Torque (Nm to lb-ft)
Mechanical torque for bolts and motors.
Airflow (CFM to m³/h)
Volumetric flow for HVAC and compressors.
Area (sq ft to sq m)
Surface area for facilities and real estate.
Distance (mi to km)
Long-range logistics and transport conversion.