Engineering Calculator Tools
Professional engineering calculators and tools for students, engineers, and professionals. Accurate, easy-to-use, and completely free educational resources.
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Ohm's Law Calculator
Calculate voltage, current, resistance, and power using Ohm's Law. Essential for electrical circuit analysis.
ElectricalVoltage Divider Calculator
Calculate output voltage and resistor values for voltage divider circuits. Perfect for sensor interfacing.
ElectricalResistor Color Code Calculator
Decode resistor values from color bands. Supports 4, 5, and 6 band resistors with tolerance calculation.
ElectronicsWire Gauge Calculator
Calculate appropriate wire gauge for electrical installations. Includes voltage drop and current capacity.
ElectricalPower Calculator
Calculate electrical power, energy consumption, and efficiency. Essential for power system analysis.
ElectricalLED Resistor Calculator
Calculate current limiting resistor values for LED circuits. Supports single and multiple LED configurations.
Electronics555 Timer IC Calculator
Calculate timing components for 555 timer circuits. Supports astable and monostable configurations.
ElectronicsCapacitor Calculator
Calculate capacitive reactance, impedance, and energy storage. Essential for AC circuit design.
ElectricalInductor Calculator
Calculate inductive reactance, impedance, and energy storage. Essential for AC circuit analysis.
ElectricalTransformer Calculator
Calculate transformer turns ratio, voltage, current, and power relationships for AC circuits.
ElectricalBeam Deflection Calculator
Calculate beam deflection, bending moment, and stress for various loading conditions and supports.
MechanicalGear Ratio Calculator
Calculate gear ratios, speed reduction, torque multiplication for mechanical drive systems.
MechanicalSpring Calculator
Calculate spring constant, force, displacement, and energy for compression and extension springs.
MechanicalHeat Transfer Calculator
Calculate heat transfer rates for conduction, convection, and radiation. Thermal analysis tool.
MechanicalConcrete Mix Calculator
Calculate concrete mix proportions for different grades and applications. Includes material quantities.
CivilUnit Converter
Convert between different units of measurement. Supports length, weight, temperature, and more.
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