Tools
Blog
Submit

Tools
Blog
Submit

Discover the best free tools on the internet.

Tools
Categories
Sites
Tags
Blog
Submit a Tool
About
Contact
Privacy
Terms

Electrical Tools | The Free Tools Directory | The Free Tools Directory

⚡

Electrical

Our Electricity & Electronics category features 147 free tools designed to assist with a wide range of electrical and electronic calculations and conversions. From voltage drop calculators to wire resistance calculators and capacitance trackers, these resources empower users to perform essential tasks accurately and efficiently. Whether you are an amateur electrician looking to understand basic principles or an engineer needing detailed specifications for complex projects, this category offers the tools you need to succeed in your work.

155 tools

⌘K

Parallel Capacitor Calculator

Calculates the total capacitance in parallel circuits by adding individual capacitances together, based on user input for each capacitor's value. This tool is useful for electronics students, engineers working on circuit design, and anyone needing to quickly determine the capacity of a parallel capacitor setup. Helps users in fields such as electrical engineering, electronics, and computer science to solve practical problems involving capacitors in parallel circuits, ensuring accurate calculations without complex manual computations.

1 option⚡ ElectricalElectronics and circuits calculators

Parallel Resistor Calculator

Calculates the equivalent resistance of parallel circuits by inputting the values of individual resistors. Users simply enter the resistance values, and the calculator computes the overall resistance using the formula for parallel circuits (1/R_total = 1/R1 + 1/R2 + ...). Engineers, students, and hobbyists in electronics who need to determine the total resistance in a parallel circuit for designing or troubleshooting electrical systems will find this tool invaluable. It saves time and reduces errors compared to manual calculations, making it an essential resource for anyone working with electrical components.

1 option⚡ ElectricalElectronics and circuits calculators

Quiz: RC Filter Calculator

Calculates RC filter properties based on resistor and capacitor values, helping users understand frequency behavior in electronic circuits. Engineers, hobbyists, and students working with electronics will find this tool invaluable for quickly determining how different components affect circuit performance at various frequencies.

1 option⚡ ElectricalOther calculators

Resistor Noise Calculator

Calculates RMS noise signal for resistors based on their value, temperature coefficient, and bandwidth. Input the resistor's resistance, temperature coefficient (in ppm/°C), and bandwidth in Hz to get an estimate of the noise it will generate. Engineers, electronics hobbyists, and anyone involved with electronic circuits needing precise resistor values for optimal performance would use this tool. It helps users ensure that their electrical components meet required specifications by providing accurate noise calculations.

1 option⚡ ElectricalElectronics and circuits calculators

RLC Circuit Calculator

Calculates the characteristic frequency and Q-factor of an RLC circuit based on input values for resistance (R), inductance (L), and capacitance (C). The tool helps users understand the behavior of resonant circuits in electronics, aiding in design and analysis. Electronics engineers, students, and hobbyists who need to analyze and design RLC circuits would find this tool particularly useful. It saves time on manual calculations, allows quick exploration of circuit behavior under different component values, and aids in educational learning about AC circuits and resonance phenomena.

1 option⚡ ElectricalElectronics and circuits calculators

Solenoid Inductance Calculator

Calculates the self-inductance of a solenoid based on its physical dimensions, including the number of turns and length. Using this tool requires inputting these parameters to compute the inductance. Engineers, physicists, and students involved with electrical circuits will find this calculator invaluable for designing and analyzing solenoids, transformers, and other inductive components. It aids in ensuring proper performance and efficiency in electronic devices that rely on magnetic fields.

1 option⚡ ElectricalElectronics and circuits calculators

pC to coulombs conversion

Converts picocoulombs (pC) to coulombs (C) with ease using this online utility. Simply enter the desired value in picocoulombs into the input field, and the tool instantly calculates the equivalent measurement in coulombs. This straightforward conversion process ensures rapid and accurate transformation of electrical charge units, making complex calculations simple for any user. The converter is ideal for students, scientists, engineers, and hobbyists who frequently work with electrical or electronic measurements. Professionals needing reliable quick conversions for research, academic assignments, or technical projects can trust this resource. It provides the necessary precision to maintain accuracy when dealing with small units of electrical charge in various scientific applications.

1 option⚡ Electrical

Volts to microvolts (µV) conversion

Converts voltage measurements from volts (V) to microvolts (µV). Enter the voltage value in volts, and the tool calculates and displays the equivalent value in microvolts. Scientists, engineers, and electronics hobbyists use this conversion tool to easily switch between common voltage units. It's particularly useful for precise measurements where accuracy between voltages and microvolts is critical.

1 option⚡ Electrical

Volts to gigavolts (GV) conversion

Converts voltage measurements from volts (V) to gigavolts (GV). Users input the voltage in volts, and the tool performs the calculation to display the equivalent value in gigavolts. Ideal for electrical engineers, researchers, and students working with high-voltage systems or needing to compare voltages on a larger scale.

1 option⚡ Electrical

Microvolts (µV) to volts (V) conversion

Converts microvolts (µV) measurements into their equivalent representation in volts (V). Users simply input a value in microvolts and click convert to instantly see the precise voltage measurement in standard volts. This straightforward utility handles the conversion process, providing accurate electrical magnitude readings necessary for various scientific or technical computations. Provides essential assistance for individuals working with low-voltage electronics. Students studying circuitry, hobbyists building personal projects, and professionals needing quick voltage calculations can utilize this tool. It ensures accuracy when transitioning between microvolt and volt units in electrical analysis and troubleshooting.

1 option⚡ Electrical

3-Phase Motor Amperage Calculator

Calculates the running amperage of three-phase motors using fundamental electrical parameters. Users input key specifications, including the required voltage, power rating, power factor, and efficiency, to determine the motor's operational current draw. This comprehensive tool utilizes standard electrical formulas to provide a precise estimation of how much amperage the motor will draw under specified conditions. Electricians, engineers, HVAC technicians, and industrial maintenance personnel use this calculator for accurate system planning and troubleshooting. It helps professionals verify motor sizing, ensure proper circuit protection, and confirm that installed electrical components can safely handle the motor's load requirements. Using this utility minimizes guesswork and ensures compliance with electrical standards before installation or repair work begins.

1 option⚡ ElectricalOther calculators

Acceleration in the Electric Field Calculator

Calculates the acceleration of charged particles within an electric field using fundamental physics principles. Users input specific parameters, including the particle's charge, its mass, and the strength of the electric field. The tool applies relevant physical formulas to determine the resulting rate of change in velocity (acceleration) for the moving charge. This allows users to visualize how electromagnetic forces govern the motion of charged matter under varying field strengths. This resource is particularly useful for physics students studying electromagnetism or engineers working with particle dynamics. It provides a quick and accurate way to solve complex problems related to electric force and motion without needing manual calculations.

1 option⚡ ElectricalElectromagnetism calculators

Copper Wire Weight Calculator

Calculates the weight of copper wire based on its dimensions, including diameter and length. Users input these parameters into the calculator, which then performs the necessary mathematical operations to determine the weight in grams or pounds. This tool is useful for electrical engineers, contractors, and DIY enthusiasts who need accurate information about the physical properties of copper wiring for projects.

1 option⚡ ElectricalMaterials and continuum mechanics calculators

Curie's Law Calculator

Calculates magnetization in paramagnetic materials based on temperature, following Curie's law principles. Enter material type, temperature, and magnetic susceptibility to get magnetization values. Helps users in physics, engineering, and materials science to understand and predict how paramagnetic materials behave under different temperatures, aiding research and practical applications in fields like MRI technology or magnetic storage devices.

1 option⚡ ElectricalThermodynamics and heat calculators

Electric Motor Torque Calculator

Calculates torque in electric motors by determining the relationship between rotational speed, power, and shaft torque. Users input values for motor speed and output power to find corresponding torque. Ideal for engineers, mechanics, and students working with electrical systems. Helps users analyze and optimize electric motor performance, ensuring efficient use of power and proper design. Essential for anyone involved in motor selection, installation, or maintenance across industries including automotive, aerospace, and manufacturing.

1 option⚡ ElectricalElectromagnetism calculators

Electrical Power Calculator

Calculates electrical power by determining the product of voltage and current for devices, facilitating easy energy consumption assessments. Helps users in electronics and home improvement to understand and optimize power usage, aiding in budgeting, energy efficiency, and making informed decisions about device selection and installation.

1 option⚡ ElectricalElectromagnetism calculators

Electron Speed Calculator

Calculates both classical and relativistic speeds of an electron based on given parameters like kinetic energy, mass, and voltage. User inputs relevant values, selects calculation method, and receives accurate speed estimates instantly. Electron speed calculators are essential for students, researchers, and professionals in physics, electronics, and related fields who need to quickly determine the velocities of electrons under various conditions, aiding in experiments, theoretical analysis, and educational purposes.

1 option⚡ ElectricalRelativity calculators

LC Filter Calculator

Calculates cutoff frequencies for low-pass and high-pass LC filter circuits using input values for inductance (L) and capacitance (C). Users enter specific values, and the calculator performs the necessary mathematical operations to determine the circuit's frequency response characteristics. Ideal for electronics students, hobbyists, and professionals needing to design or troubleshoot LC filters in various applications such as audio equalization, signal processing, and power supply filtering.

1 option⚡ ElectricalOther calculators

Magnetic Field of a Straight Current-Carrying Wire Calculator

Calculates the magnetic field produced by a straight current-carrying wire, using the formula B = μ0 * I / (2πr), where B is the magnetic field strength, μ0 is the permeability of free space, I is the current, and r is the distance from the wire. Users can input values for current and distance to find the magnetic field at that point. Electrical and electronics students, physics researchers, engineers working with electromagnetism, and anyone curious about magnetic fields in practical applications would benefit from this tool. It aids in understanding how magnetic fields behave around wires carrying electrical current, essential knowledge in various scientific and engineering disciplines.

1 option⚡ ElectricalElectromagnetism calculators

Magnetic Force on a Current-Carrying Wire Calculator

Calculates the magnitude of the electromagnetic force acting upon a current-carrying wire within a magnetic field. The tool requires users to input key physical variables, including the strength of the current flowing through the wire, the length of the segment experiencing the force, and the perpendicular component of the magnetic field strength. It applies fundamental principles of electromagnetism to determine the resulting force, allowing for precise quantitative analysis in electrical physics scenarios. Students studying classical electromagnetism, engineering professionals designing circuits, or science enthusiasts investigating physical forces can utilize this calculator. Specifically, it assists those needing to quantify the interaction between electric current and magnetism without manual calculation.

1 option⚡ ElectricalElectronics and circuits calculators

MOSFET Calculator

Calculates the current of a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) based on its three operational regimes: cut-off, triode, and saturation. The user inputs parameters such as voltage, gate-source voltage, and channel width to determine the current flow through the MOSFET. Engineers, hobbyists, and students working with electronics will find this tool invaluable for quickly assessing MOSFET performance in various circuits and designs.

1 option⚡ ElectricalElectronics and circuits calculators

Ohm's Law Power Calculator

Calculates electrical power using Ohm's Law, requiring inputs of voltage and current to compute the output. Helps users in electronics and physics by providing quick, accurate results for power calculations based on fundamental electrical principles. Ideal for students, engineers, and anyone working with electrical circuits who need to determine power without complex manual calculations.

1 option⚡ ElectricalOther calculators

Ohm's Law Resistance Calculator

Calculates resistance in an electrical circuit using Ohm's law formula, requiring input of voltage and current values. Helps users in electronics and physics to determine the resistance of a component or circuit when voltage and current are known, facilitating the design and analysis of electronic circuits.

1 option⚡ ElectricalOther calculators

Photoelectric Effect Calculator

Calculates the kinetic energy of electrons ejected from material by incident light using the photoelectric effect formula. Users input the wavelength or frequency of the incident light and the work function of the material, and the calculator outputs the electron's kinetic energy based on these values. Helps users in physics and electronics education to understand the principles of the photoelectric effect, allowing for quick calculations during experiments or theoretical analysis. Ideal for students, educators, and professionals working with semiconductor devices, solar cells, and other applications involving light-induced electronic processes.

1 option⚡ ElectricalQuantum mechanics calculators

← Prev 1 2 3 4 5 6 7 Next →