Electronics and circuits Calculators

555 Timer Calculator The 555 timer calculator allows you to find the times of the output of a 555 astable mode timer circuit and more. Boost Converter Calculator Use the boost converter calculator to find your circuit's duty cycle and inductance. Breaker Size Calculator The breaker size calculator will help you obtain the correct circuit breaker size for your home panel based on the electrical load. Bridge Rectifier Calculator You can use this bridge rectifier calculator to compute various rectification attributes of the conversion of AC (alternating current) into DC (direct current). Buck Converter Calculator Use the buck converter calculator to find your circuit's duty cycle and inductance. Capacitive Transformerless Power Supply Calculator Use the capacitive transformerless power supply calculator to find your circuit's output voltage and input current. Capacitor Calculator Try the capacitor calculator if you want to find the meaning of the capacitor code and the value of its capacitance. You can also evaluate what is the charge stored in the capacitor for a specific voltage. Capacitor Charge Time Calculator Calculate the charge time of your capacitor for the five multiples of the time constant and more. Capacitor Energy Calculator Check this capacitor energy calculator to find the energy and electric charge values stored in a capacitor. Capacitor Size Calculator The capacitor size calculator gives you the capacitance required to handle a given voltage in an electric motor, considering a specific start-up energy. Capacitors in Series Calculator Use this capacitors in series calculator to work out the resulting capacitance in a circuit. Crossover Calculator This crossover calculator will help you design amazing sounding speaker units. Current Divider Calculator Use the current divider calculator to estimate how the current divides across each branch of different parallel circuits: resistive, inductive, or capacitive. Dipole Calculator Our dipole calculator allows you to compute the length of a simple dipole antenna. Flyback Converter Calculator Use the flyback converter calculator to find the duty cycle, currents, and inductances for the primary and secondary sides of your circuit. Forward Converter Calculator Use the forward converter calculator to find the output voltage and the ripple current of your forward converter circuit. Generator Power Calculator The generator power calculator helps calculate the power requirement based on the current readings of various equipment and appliances or the power supply voltage of the premises. Helical Coil Calculator Use the helical coil calculator to estimate the inductance and volume of coil springs. High Pass Filter Calculator The high pass filter calculator assists you in designing and building a high-pass filter circuit. Includes passive (RC and RL) and active (op-amp based) filters. Ideal Transformer Calculator Learn how a transformer works and calculate accurately with our ideal voltage transformer calculator. Fast, reliable, and user-friendly Inductor Energy Storage Calculator With this inductor energy storage calculator, you'll quickly find the magnetic energy stored in an electrical circuit with inductance. Inductors in Parallel Calculator Use Omni's inductors in parallel calculator to work out the equivalent inductance in a parallel circuit. Inductors In Series Calculator Use Omni's inductors in series calculator to work out the equivalent inductance of a series circuit. Inverting Buck-Boost Converter Calculator Use the inverting buck-boost converter calculator to find your circuit's duty cycle and inductance. J-Pole Antenna Calculator Design your optimal J-pole antenna for a chosen frequency using our smart J-pole antenna calculator. LED Resistor Calculator LED resistor calculator tells you what resistor you should use when connecting LEDs in series or parallel. Low Pass Filter Calculator The low pass filter calculator helps you design and build a low-pass filter circuit, with support for passive (RC and RL) as well as active (op-amp based) filters. Magnetic Force Between Current-Carrying Wires Calculator The magnetic force between current-carrying wires calculator determines whether two parallel wires with current will attract or repel each other and how strong this force is. Magnetic Force on a Current-Carrying Wire Calculator Use the electromagnetic force on current-carrying wire calculator to compute the strength of the electromagnetic force acting on a wire with current flowing through it. MOSFET Calculator Discover how to calculate the current of a MOSFET in its three regimes of operation with our MOSFET calculator! MOSFET Threshold Voltage Calculator Learn how to calculate the most critical parameter of a MOSFET with our MOSFET threshold voltage calculator. Noise Figure Calculator The noise figure calculator takes the signal-to-noise ratio (SNR) at input and output to calculate the noise figure value in decibels. Ohm's Law Calculator Ohm's Law calculator let's you explore the relationships between power, voltage, current, and resistance. Parallel Capacitor Calculator Check out this parallel capacitor calculator to evaluate the resulting capacity in this kind of circuit. Parallel Resistor Calculator Find the equivalent resistance of a parallel circuit with the parallel resistor calculator. Photon Detection Efficiency Calculator (SiPM) Photon detection efficiency calculator is a handy tool that allows for a quick conversion between responsivity and Photon Detection Efficiency (PDE) in Silicon Photomultipliers (SiPMs). RC Circuit Calculator This RC circuit calculator will help you calculate the characteristic frequency of the RC circuit. Resistor Color Code Calculator Find out the resistance value with this resistor color code calculator! Just choose the resistor type, select the colors, and the tool will display the resistance, tolerance, and range on the spot. Resistor Noise Calculator Use our resistor noise calculator to find out how much RMS noise signal resistors will generate. Resistor Wattage Calculator Use the resistor wattage calculator to determine the power dissipated by a resistor. Resonant Frequency Calculator Use the resonant frequency calculator to check out the resonant frequency in an LC circuit. RLC Circuit Calculator With this RLC circuit calculator, you can calculate the characteristic frequency of the RLC circuit and its Q-factor. RLC Impedance Calculator Try this RLC impedance calculator to find the impedance of the resistor, capacitor, and inductor in series or in parallel. RMS Voltage Calculator The RMS voltage calculator lets you find the root mean square of common waveforms. Series Resistor Calculator Determine the equivalent resistance of a series circuit with the series resistor calculator. Shockley Diode Calculator Use the Shockley diode calculator to obtain the I-V characteristic of a real or ideal diode. Solenoid Inductance Calculator The solenoid inductance calculator helps you to compute the self-inductance of a solenoid. Solenoid Magnetic Field Calculator The Solenoid Magnetic Field Calculator helps you find the magnetic field inside a long solenoid. Spherical Capacitor Calculator Use this spherical capacitor calculator to determine the capacitance of a spherical capacitor filled with a dielectric. Three Phase Calculator The three-phase calculator helps you estimate apparent, active, and reactive powers in an AC circuit. Transformer Sizing Calculator Use our transformer sizing calculator to obtain the minimum kVA needed to power your load. Transistor Biasing Calculator Learn the operating modes of one of the most important electronic components with our transistor biasing calculator. Voltage Divider Calculator The voltage divider calculator is a comprehensive tool that tells you about the characteristics of output signals produced in one of the simplest circuits, known as voltage dividers. Voltage Regulation Calculator Our voltage regulation calculator will help you find the ratio and percentage change of voltage regulation. Wheatstone Bridge Calculator Calculate unknown resistance using the Wheatstone bridge calculator. Wire Gauge Calculator This wire gauge calculator computes the diameter, cross-sectional area, and resistance per unit length of a wire once given a wire gauge number in either the American Wire Gauge (AMG) or Standard Wire Gauge (SWG) systems. Wire Resistance Calculator The wire resistance calculator determines the resistance and conductance of a wire. Wire Size Calculator The wire size calculator will help you choose the correct electrical cable for your next installation.