---
title: "Electrical Calculators | XTRAW Tools"
description: "Electrical calculators for circuits, power, current, voltage, resistance, energy, wiring, and electronics estimates."
url: "https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators"
date: "2026-08-20T19:45:31+00:00"
language: "en-GB"
---

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 # Electrical Calculators

#### Latest Tools

 [ ![Capacitor Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-capacitor-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/capacitor-calculator "Capacitor Calculator")  new

## [Capacitor Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2172&virtuemart_category_id=171&Itemid=173)

 Calculate capacitor charge, energy, and RC time constant. ...

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 [ ![LED Resistor Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-led-resistor-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/led-resistor-calculator "LED Resistor Calculator")  new

## [LED Resistor Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2171&virtuemart_category_id=171&Itemid=173)

 Calculate the resistor needed for an LED circuit. Use this ...

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 [ ![Wire Size Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-wire-size-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/wire-size-calculator "Wire Size Calculator")   popular

## [Wire Size Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2170&virtuemart_category_id=171&Itemid=173)

 Determine a wire gauge estimate from current, distance, ...

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#### Products

 [ ![kVA Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-kva-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/kva-calculator "kVA Calculator")  new

## [kVA Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2169&virtuemart_category_id=171&Itemid=173)

 Calculate kilovolt-amps from kilowatts and power factor. ...

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 [ ![Ohm's Law Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-ohms-law-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/ohms-law-calculator "Ohm's Law Calculator")   popular

## [Ohm's Law Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2164&virtuemart_category_id=171&Itemid=173)

 Calculate voltage, current, resistance, or power using ...

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 [ ![Voltage Drop Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-voltage-drop-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/voltage-drop-calculator "Voltage Drop Calculator")  new

## [Voltage Drop Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2165&virtuemart_category_id=171&Itemid=173)

 Calculate voltage drop in electrical wiring. Use this free ...

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 [ ![Watts to Amps Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-watts-to-amps-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/watts-to-amps-calculator "Watts to Amps Calculator")   popular

## [Watts to Amps Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2166&virtuemart_category_id=171&Itemid=173)

 Convert watts to amps and estimate current from voltage and ...

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 [ ![kW to kWh Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-kw-to-kwh-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators/electrical-calculators/kw-to-kwh-calculator "kW to kWh Calculator")   popular

## [kW to kWh Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2167&virtuemart_category_id=171&Itemid=173)

 Convert kilowatts to kilowatt-hours and estimate energy ...

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