Unit Converters (8)

SI unit conversions for power, energy, pressure, illuminance, current, and voltage.

• Watts to Kilowatts Converter
• Kilowatts to Watts Converter
• Ampere to Milliampere Converter
• Volts to Kilovolts Converter
• Joules to Kilowatt-Hours Converter
• Kilowatt-Hours to Joules Converter
• Lumens to Lux Converter
• Pressure Converter — Pa, kPa, bar

Electrical Engineering (9)

Calculators for electrical installations: Ohm's law, single/three-phase power, voltage drop, power factor correction, conductor resistance, energy consumption.

• Ohm's Law Calculator — V = R × I
• Single-Phase Power Calculator
• Three-Phase Power Calculator
• Current from Single-Phase Power Calculator Professional verification recommended
• Current from Three-Phase Power Calculator Professional verification recommended
• Voltage Drop Calculator Professional verification recommended
• Energy Consumption Calculator
• Power Factor Correction Calculator Professional verification recommended
• Conductor Resistance Calculator

Thermal Engineering (4)

Thermal calculators: wall U-value, thermal resistance of layers, sensible thermal power, temperature conversions.

• Wall U-Value Calculator Professional verification recommended
• Thermal Resistance Calculator
• Sensible Thermal Power Calculator Professional verification recommended
• Temperature Converter

Hydraulic Engineering (3)

Hydraulic calculators: volumetric flow rate, fluid velocity in pipes, hydrostatic pressure.

• Volumetric Flow Rate Calculator
• Fluid Velocity in Pipe Calculator
• Hydrostatic Pressure Calculator

Structural Engineering (7)

Mechanics of materials: normal stress, strain, elastic modulus, bending moment, allowable stress verification, moment of inertia.

• Normal Stress Calculator Professional verification recommended
• Strain Calculator
• Elastic Modulus Calculator
• Bending Moment Calculator — Simply Supported Beam Professional verification recommended
• Allowable Stress Verification Calculator Professional verification recommended
• Moment of Inertia Calculator — Rectangular Section Professional verification recommended
• Average Stress Check Calculator Professional verification recommended

Safety & Ergonomics (3)

Workplace safety: NIOSH lifting index, surface contact pressure, logarithmic sound level summation.

• NIOSH Lifting Index Calculator (ISO 11228-1) Professional verification recommended
• Surface Pressure Calculator
• Sound Level Summation Calculator (dB) Professional verification recommended