Engineering Calculators
Trusted, authoritative calculators for electrical, mechanical, structural, fluids, materials, and every core discipline. Power up your engineering projects with instant results and detailed methods.
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Ohm's law
V = I × R, all formsAmps to watts
Current to electrical powerWatts to amps
Power to current converterThree phase power
For motors, grids, industryDead load
Structural, slab, and roof weightsBeam design (eurocode 3)
Steel beam sizing per EN standardMaterials volume
Concrete, gravel, aggregatesElectrical Engineering Calculators
Structural Engineering Calculators
Crane runway beam design calculator
An authoritative tool for engineers to calculate crane runway beam designs, ensuring compliance with structural standards.
Masonry column design calculator
An authoritative tool for masonry column design calculations in civil engineering.
Masonry shear wall design calculator
Interactive calculator for designing masonry shear walls, adhering to engineering standards for civil engineering professionals.
Welded connection design calculator
An authoritative tool for calculating welded connections, designed for mechanical engineers.
Welding cost calculator
Calculate welding costs easily with our interactive Welding Cost Calculator. Ideal for engineers and technicians in the mechanical materials field.
Mechanical Engineering Calculators
Ball bearing life calculator
Advanced Ball Bearing Life Calculator for engineering applications, focusing on reliability and precision using industry-standard formulas.
Chain drive design calculator
Advanced Chain Drive Design Calculator for mechanical engineering. Calculate chain length, tension, and more with expert precision.
Chiller load calculator
Calculate the chiller load effortlessly with our interactive Chiller Load Calculator, designed for mechanical HVAC engineers.
Pipe flow calculator (darcy-weisbach)
Calculate pipe flow using the Darcy-Weisbach equation. Ideal for engineers and students dealing with fluid mechanics.
Duct sizing calculator (equal friction method)
Calculate duct sizing using the equal friction method. Designed for HVAC engineers and professionals.
Fin heat transfer calculator
Calculate heat transfer efficiency with fins using this advanced mechanical engineering tool.
Forward kinematics calculator (2R manipulator)
Calculate the forward kinematics of a 2R manipulator with precision using our authoritative calculator tool.
Pipe flow calculator (hazen-williams)
Calculate pipe flow using the Hazen-Williams formula. This tool is aimed at engineers and professionals dealing with fluid mechanics.
Heat loss calculator | engineering resource
Calculate heat loss quickly and accurately with our authoritative Heat Loss Calculator, designed for HVAC professionals to optimize energy efficiency.
Journal bearing design calculator
An authoritative journal bearing design calculator for mechanical engineering professionals. Calculate dimensions and specifications efficiently.
Heat exchanger design calculator (LMTD method) | calcdomain
Calculate the Log Mean Temperature Difference (LMTD) for heat exchangers with our precise online tool. Ideal for engineers and students alike.
Vibration analysis (natural frequency) calculator
Calculate the natural frequency of mechanical systems with this authoritative tool, designed for engineers and professionals.
Pressure vessel design calculator (ASME)
Calculate the required thickness of pressure vessels according to ASME standards with this professional-grade tool.
Psychrometric chart calculator
Interactive psychrometric chart calculator for HVAC engineering, providing precise calculations for mechanical systems.
Machining speed and feed calculator
Calculate optimal speeds and feeds for machining processes with our comprehensive calculator. Ensure precision and efficiency in manufacturing.
Thermal stress calculator
Calculate thermal stress in materials with our professional-grade online tool. Ensure accuracy and compliance with engineering standards.