dB to Voltage Calculator

Convert decibels to RMS voltage for dBV, dBu, and dBm (with user-specified load impedance). Includes formulas, conversion table, worked examples and a compact FAQ JSON.

Transformer Voltage Calculator

Easily calculate transformer output voltage using turns ratio or input voltage. Includes formulas, conversion tables, worked examples, and FAQs for quick reference.

Thevenin Voltage Calculator

Easily calculate Thevenin voltage and resistance. Find Vth, Rth, and Norton equivalents using formulas, examples, and step-by-step methods.

Average Voltage Calculator

Easily calculate average voltage for AC, half-wave, and full-wave rectifiers. Use our online average voltage calculator with formulas, tables, and examples.

Instantaneous Voltage Calculator

Easily calculate the instantaneous voltage of AC signals or waveforms using amplitude, frequency, and phase angle with step-by-step formulas and examples.

Battery Voltage Calculator

Easily calculate battery voltage for series or parallel connections. Use our tool to find total output voltage and plan battery banks for projects.

Terminal Voltage Calculator

Calculate the terminal voltage of a battery or generator using EMF, internal resistance, and load current with this simple tool and formula.

Solar Panel Voltage Calculator

Easily calculate solar panel voltage for series and parallel PV arrays using current, resistance, and configuration formulas with real examples.

AC to DC Voltage Calculator

Easily convert AC RMS to DC voltage. Includes half-wave, full-wave, diode drop, and ripple capacitor formulas for accurate rectifier design.

Secondary Voltage Calculator

Calculate transformer secondary voltage using primary voltage and turns ratio. Simple tool with formula, examples, and data tables for fast results.

Source Voltage Calculator

Calculate source voltage in AC/DC circuits using Ohm’s Law and Kirchhoff’s rules. Fast, accurate tool with formulas, tables, and examples.

Applied Voltage Calculator

Calculate applied voltage in AC/DC circuits easily using formulas. Quick tool with tables, formulas, and examples for engineers and students.

Line to Phase Voltage Calculator

Convert three-phase line-to-line (V_LL) and line-to-neutral (V_LN) voltages for balanced and phasor cases. Includes formulas, examples (230/400, 480/277), and conversion guidance.

Rectifier Voltage Calculator

Easily calculate DC output voltage from half-wave, full-wave, and bridge rectifiers. Includes ripple, diode drop, and capacitor filter effects.

Fusing Current Calculator

Quickly calculate the recommended fuse (fusing) current for wires, motors, transformers, and circuits. Includes input fields for load, duty, and correction factors for safe fuse selection.

Dbm To Current Calculator

Instantly convert RF power in dBm to current (A or mA) for circuits and antenna systems. Input power and load impedance to get accurate current results.

Shunt Current Calculator

Instantly calculate the current using a shunt resistor. Enter voltage drop and resistance to find accurate current flow for DC circuits, meters, and power systems.

Solenoid Current Calculator

Easily calculate the current flowing through a solenoid coil. Enter voltage and coil resistance to get current, power, and magnet strength instantly.

Sequence Current Calculator

Instantly calculate positive, negative, and zero-sequence currents for 3-phase systems using measured line or phase currents. Essential for fault analysis and protection.

Inverter Current Calculator

Easily calculate inverter current based on input voltage, load, and efficiency. Perfect for solar, battery, or UPS system design and performance checks.

Initial Current Calculator

Find the initial current during circuit startup. Useful for motors, transformers, and capacitive loads to prevent tripping and ensure safe electrical design.

Displacement Current Calculator

Calculate displacement current due to changing electric fields in capacitors and dielectric materials using permittivity, area, and voltage rate of change.

CT Ratio To Current Calculator

Easily calculate secondary current from the CT ratio and primary current. Ideal for electrical protection, metering, and transformer testing applications.

Charge To Current Calculator

Calculate the electric current from charge and time. Useful for battery, capacitor, and electrochemical applications where current flow needs to be determined.

Apparent Power Calculator

Calculate apparent power (VA) in AC circuits using voltage and current. Ideal for engineers, electricians, and students for power system analysis.

Db To Watts Calculator

Convert decibel (dB) values to watts instantly. Useful for audio, RF, and electronics applications to calculate power levels from signal ratios.