Explore All Online Engineering and General Calculators

General Calculators

Age Calculator, Date Calculator, Time Calculator, Day of the Week Calculator, Time Zone Converter, Leap Year Calculator, Work Days Calculator Week Number Calculator and more.

Conversion Calculators

Convert length, area, volume, temperature, weight, and more with simple, accurate converters and more.

Math and Finance

Scientific Calculators,Algebric calculators,simple interest calculators, EMI calculators, currency converters, and percentage calculators and more.

Mechanical Engineering

Thermodynamics, fluid mechanics, heat transfer, machine design, strength of materials, and more calculators and more.

Civil Engineering

Beam Load Calculator, Concrete Mix Design Calculator, Structural Stability Calculator, Slab Thickness Calculator, Column Load Calculator, Steel Weight Calculator and more.

Electrical Engineering

voltage drop calculators, cable sizing calculators, load current calculators, and power factor correction calculators and more.

Electronics
Engineering

Ohm’s Law Calculator, Resistor Color Code Calculator, and Capacitor Charge/Discharge Calculator to RC Circuit Time Constant, Voltage Divider, and Inductor Reactance and more.

Chemical Engineering

Reactor Design Calculator, Flow Rate Calculator, Heat Exchanger Calculator, Distillation Column Calculator, and more.

General Engineering Calculators

Stress and Strain, Pressure, Power, Force, Work and Energy, Torque, Velocity and Acceleration, Fluid Flow, Heat Transfer, Moment of Inertia, Density, Efficiency, and Safety Factor calculatorsand more.

Environmental Engineering

BOD & COD calculators, wastewater treatment plant design calculators, water quality volume calculators, and air pollution emission calculators and more.

HVAC Engineering

HVAC load calculators, duct sizing calculators, psychrometric calculators, and refrigeration tonnage calculators and more.

Plumbing Engineering

pipe sizing calculators, water flow rate calculators, fixture unit calculators, and water heater sizing calculators and more.

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