Calculadoras e ferramentas elétricas livres

⚡

Ohm's Law Calculator

Calculate voltage, current, or resistance using V = IR

🔌

Voltage Divider Calculator

Calculate output voltage in voltage divider circuits

🔗

Series Voltage Calculator

Calculate total voltage in series circuits

⚡

Parallel Voltage Calculator

Calculate voltage in parallel circuits

📊

Peak to RMS Converter

Convert peak voltage to RMS voltage

📈

RMS to Peak Converter

Convert RMS voltage to peak voltage

〰️

AC Voltage Calculator

Calculate AC voltage parameters

➖

DC Voltage Calculator

Calculate DC voltage in circuits

📉

Voltage Drop Calculator

Calculate voltage drop across conductors

🔋

Battery Voltage Calculator

Calculate battery voltage and capacity

📈

Voltage Gain Calculator

Calculate amplifier voltage gain

🔺

Zener Diode Calculator

Calculate Zener voltage regulator values

🔄

Voltage to Current Converter

Convert voltage signals to current

🔄

Current to Voltage Converter

Convert current signals to voltage

📊

Voltage Level Shifter

Calculate level shifting circuits

⚡

Voltage Doubler Calculator

Calculate voltage doubler circuits

⚡

Voltage Tripler Calculator

Calculate voltage tripler circuits

〰️

PWM Voltage Calculator

Calculate PWM equivalent voltage

📊

DAC Voltage Converter

Digital to analog voltage conversion

📈

ADC Voltage Converter

Analog to digital voltage conversion

⚡

Current Calculator

Calculate current using I = V/R

🔧

Resistance Calculator

Calculate resistance using R = V/I

⚡

Power Calculator

Calculate electrical power P = VI

🌈

Resistor Color Code

Decode resistor values from color bands

🔗

Parallel Resistor Calculator

Calculate total resistance in parallel

➖

Series Resistor Calculator

Calculate total resistance in series

🔌

Wire Size Calculator

Calculate proper wire gauge for current

⚡

Load Current Calculator

Calculate load current requirements

🔀

Current Divider Calculator

Calculate current division in parallel circuits

🔋

Capacitance Calculator

Calculate capacitance values

⏱️

RC Time Constant

Calculate capacitor charging time

🌀

Inductor Calculator

Calculate inductor values

〰️

LC Resonance Calculator

Calculate LC circuit resonance frequency

⚡

Capacitor Energy Calculator

Calculate energy stored in capacitors

🔗

Capacitor Series/Parallel

Calculate capacitors in series and parallel

🔄

AC to DC Converter

Calculate AC to DC conversion parameters

🔄

DC to AC Inverter

Calculate DC to AC inverter specifications

📈

Step-up Transformer

Calculate step-up transformer parameters

📉

Step-down Transformer

Calculate step-down transformer parameters

🔄

Transformer Turns Ratio

Calculate transformer turns ratio

📡

Frequency Converter

Convert between Hz, kHz, MHz, and GHz units

💡

Electricity Bill Calculator

Estimate your monthly electricity costs

🏠

Appliance Power Calculator

Calculate power consumption of appliances

💰

Energy Cost Calculator

Calculate kWh costs and savings

📊

Electricity Usage Monitor

Monitor and track electricity usage

🔄

Watt to Amp Converter

Convert watts to amperes

🔄

Amp to Watt Converter

Convert amperes to watts

🔄

Volt to Watt Converter

Convert volts to watts

〰️

Frequency to Voltage Converter

Convert frequency signals to voltage

📊

Power Factor Calculator

Calculate power factor and reactive power

⚡

3 Phase Power Calculator

Calculate three-phase power systems

⚡

Single Phase Power Calculator

Calculate single-phase power systems

☀️

Solar Panel Voltage Calculator

Calculate solar panel voltage and current

🔋

Inverter Battery Calculator

Calculate inverter battery backup time

⚙️

Electric Motor Calculator

Calculate motor power and efficiency

💡

Lighting Load Calculator

Calculate lighting load requirements

📉

Cable Voltage Drop Calculator

Calculate voltage drop in cables