Ilmaiset sähkölaskimet ja työkalut

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Ohm's Law Calculator

Calculate voltage, current, or resistance using V = IR

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Voltage Divider Calculator

Calculate output voltage in voltage divider circuits

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Series Voltage Calculator

Calculate total voltage in series circuits

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Parallel Voltage Calculator

Calculate voltage in parallel circuits

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Peak to RMS Converter

Convert peak voltage to RMS voltage

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RMS to Peak Converter

Convert RMS voltage to peak voltage

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AC Voltage Calculator

Calculate AC voltage parameters

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DC Voltage Calculator

Calculate DC voltage in circuits

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Voltage Drop Calculator

Calculate voltage drop across conductors

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Battery Voltage Calculator

Calculate battery voltage and capacity

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Voltage Gain Calculator

Calculate amplifier voltage gain

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Zener Diode Calculator

Calculate Zener voltage regulator values

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Voltage to Current Converter

Convert voltage signals to current

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Current to Voltage Converter

Convert current signals to voltage

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Voltage Level Shifter

Calculate level shifting circuits

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Voltage Doubler Calculator

Calculate voltage doubler circuits

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Voltage Tripler Calculator

Calculate voltage tripler circuits

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PWM Voltage Calculator

Calculate PWM equivalent voltage

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DAC Voltage Converter

Digital to analog voltage conversion

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ADC Voltage Converter

Analog to digital voltage conversion

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Current Calculator

Calculate current using I = V/R

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Resistance Calculator

Calculate resistance using R = V/I

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Power Calculator

Calculate electrical power P = VI

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Resistor Color Code

Decode resistor values from color bands

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Parallel Resistor Calculator

Calculate total resistance in parallel

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Series Resistor Calculator

Calculate total resistance in series

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Wire Size Calculator

Calculate proper wire gauge for current

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Load Current Calculator

Calculate load current requirements

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Current Divider Calculator

Calculate current division in parallel circuits

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Capacitance Calculator

Calculate capacitance values

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RC Time Constant

Calculate capacitor charging time

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Inductor Calculator

Calculate inductor values

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LC Resonance Calculator

Calculate LC circuit resonance frequency

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Capacitor Energy Calculator

Calculate energy stored in capacitors

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Capacitor Series/Parallel

Calculate capacitors in series and parallel

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AC to DC Converter

Calculate AC to DC conversion parameters

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DC to AC Inverter

Calculate DC to AC inverter specifications

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Step-up Transformer

Calculate step-up transformer parameters

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Step-down Transformer

Calculate step-down transformer parameters

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Transformer Turns Ratio

Calculate transformer turns ratio

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Frequency Converter

Convert between Hz, kHz, MHz, and GHz units

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Electricity Bill Calculator

Estimate your monthly electricity costs

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Appliance Power Calculator

Calculate power consumption of appliances

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Energy Cost Calculator

Calculate kWh costs and savings

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Electricity Usage Monitor

Monitor and track electricity usage

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Watt to Amp Converter

Convert watts to amperes

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Amp to Watt Converter

Convert amperes to watts

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Volt to Watt Converter

Convert volts to watts

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Frequency to Voltage Converter

Convert frequency signals to voltage

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Power Factor Calculator

Calculate power factor and reactive power

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3 Phase Power Calculator

Calculate three-phase power systems

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Single Phase Power Calculator

Calculate single-phase power systems

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Solar Panel Voltage Calculator

Calculate solar panel voltage and current

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Inverter Battery Calculator

Calculate inverter battery backup time

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Electric Motor Calculator

Calculate motor power and efficiency

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Lighting Load Calculator

Calculate lighting load requirements

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Cable Voltage Drop Calculator

Calculate voltage drop in cables