# Electrical Engineering Calculators, Converters, and Charts

Here is the list of our calculators, converters, and charts that can come in very handy in various situations:

## Convert Watts to Amps and Amps to Watts - How to Calculate Watts

Conversions between electrical units are usually simple and straightforward - take a formula, write down values, and let the calculator do the rest.

However, in real life, things are not always that simple, especially when converting units that require at least one unit to be known. If You wish to know more about converting watts to amps, amps to watts, volt-amps to watts, and similar, read carefully...

**Updated: April 30, 2024.**

## Volts and Amps to Watts Calculator

Here is simple volts and amps to watts calculator with short explanations, formulas, and charts.

Unit conversions sometimes can be difficult, but with most basic electric units like the voltage, current, and power, things are almost always very simple. Almost always...

**Updated: April 15, 2024.**

## Roman Numerals - Calculators, Definitions, Conversion Rules, Charts, Examples

Roman numerals are a numeral system that originated in ancient Rome and were used throughout the Roman Empire. This system employs combinations of letters from the Latin alphabet (I, V, X, L, C, D, and M) to represent numbers.

Roman numerals are distinctive in that they represent numbers as sums and differences.

**Published: March 27, 2024.**

## How Many Liters In A Gallon: Liters to Gallons and Gallons to Liters

Liters and gallons are both units of volume, and understanding the relationship between them is crucial in many fields, including Electrical Engineering, science, cooking, industrial applications, everyday activities, etc.

To make things interesting, not only do both US and Imperial liquid gallons consist of different amounts of liters, but there are also dry gallons as a unit of volume, which may lead to certain confusion.

**Published: March 25, 2024.**

## Decimal to Binary and Binary to Decimal Converter

Convert decimal numbers to binary numbers and binary numbers to decimal numbers, and learn more about these number systems.

For quick conversions, feel free to use the conversion table.

**Published: March 18, 2024.**

## How Many Ounces Are in a Gallon: Guide, Calculators, and Tables

Liquid ounces and (liquid) gallons are both units of volume, and understanding the relationship between them is crucial in many fields, including Electrical Engineering, science, cooking, industrial applications, everyday activities, etc.

To make things interesting, not only do both US and Imperial liquid gallons consist of different amounts of liquid US and Imperial ounces (which also differ), but there are also dry gallons and dry ounces, which may lead to certain confusion.

**Published: March 16, 2024.**

## kVA to kW and kW to kVA Conversion Calculator

Convert apparent power in kilovot-amps (kVA) to real power in kilowatts (kW) and real power in kilowatts (kW) to apparent power in kilovot-amps (kVA) using our conversion calculator.

Learn more about the relations between Amps (A), Voltage (V), Watts (W), Volt-Amps (VA), and other units often used not only in Electrical Engineering but also in many other fields.

**Published: March 12, 2024.**

## Random Number Generator

Use our random number generator to generate integer and decimal random numbers using first and last numbers as you wish.

Random numbers are very important not only in Electrical Engineering but also in computer and other sciences primarily due to their importance in simulations, modeling, cryptography, and statistical analysis.

**Published: February 28, 2024.**

## Months to Years and Years to Months Conversion Conversion

Both years and months are units of time, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert months to years and years to months, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 27, 2024.**

## Fahrenheit to Celsius and Celsius to Fahrenheit Conversion

Both Fahrenheit and Celsius are units of temperature, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert Fahrenheit to Celsius and Celsius to Fahrenheit, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 24, 2024.**

## Pounds to Grams and Grams to Pounds Conversion

Both pounds and grams are units of mass, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert pounds to grams and grams to pounds, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 24, 2024.**

## Grams to Ounces and Ounces to Grams Conversion

Both grams and ounces are units of mass, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert grams to ounces and ounces to grams, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 24, 2024.**

## Centimeters to Millimeters (cm to mm) and Millimeters to Centimeters (mm to cm) Conversion

Both centimeters and millimeters are units of length, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert centimeters to millimeters and millimeters to centimeters, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 24, 2024.**

## Feet to Millimeters (ft to mm) and Millimeters to Feet (mm to ft) Conversion

Both feet and millimeters are units of length, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert feet to millimeters and millimeters to feet, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 24, 2024.**

## Feet to Inches (ft to in) and Inches to Feet (in to ft) Conversion

Both feet and inches are units of length, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert feet to inches and inches to feet, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 24, 2024.**

## Hexadecimal to Decimal and Decimal to Hexadecimal Converter

Convert hexadecimal numbers to decimal numbers and vice versa, and learn more about these number systems.

For quick conversions, feel free to use the conversion table.

**Published: February 19, 2024.**

## Feet to Meters and Meters to Feet Conversion

Both feet and meters are units of length, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert feet to meters and meters to feet, providing readers with conversion calculators, tables, and simple explanations on how to use them.

**Published: February 15, 2024.**

## kWh to HP and HP to kWh Conversions

While HP is a unit of power, kWh is a unit of energy, and direct conversion of these two units is impossible without introducing the third parameter - time (T[s]).

kWh to HP and HP to kWh conversions are very important when both the power and energy of internal combustion engines are transferred, stored, and compared with the energy and power of electric motors, inverters, pumps, winches, and other similar units that are powered by electric energy.

**Updated: February 14, 2024.**

## Unit Conversion: How to Convert Horsepower to Kilowatts (HP to kW) and Kilowatts to Horsepower (kW to HP)

Unit conversions in electrical engineering are very important; it is relatively easy, but it can also cause many problems when planning or troubleshooting systems.

Horsepower to kilowatts (HP to kW) and kilowatts to horsepower (kW to HP) conversions are very important when the energy and power of internal combustion engines are compared or transferred between energy and power of electric motors, pumps, winches, inverters, and other devices being powered by electric energy.

**Updated: February 14, 2024.**

## kVA to Amps and Amps to kVA Calculators

Convert kilovolt-amperes (kVA) to Amps (A) using our conversion calculator. Also, learn more about relations between Amps (A), Voltage (V), Watts (W), volt-amperes (VA), and other units often used not only in Electrical Engineering but in many other walks of life.

**Published: February 13, 2024.**

## Amps (A) to Kilowatts (kW) Calculator

Convert Amps (A) to kilowatts (kW) using our conversion calculator. Also, learn more about relations between Amps (A), Voltage (V), Watts (W), and other units often used not only in Electrical Engineering but in many other walks of life.

**Published: February 7, 2024.**

## Centimeters (cm) to Feet (ft) and Inches (in) Conversion Calculator and Table

Centimeters (cm), feet (ft), and inches (in) are all units of length, making their conversions simple and straightforward; one just has to remember the actual relation of these units.

Over time, the length of an inch and a foot varied, but today, it is standardized in relation to meters and centimeters.

**Published: February 6, 2024.**

## Feet (ft) and Inches (in) to Centimeters (cm) Conversion Calculator and Table

Feet (ft), inches (in), and centimeters (cm) are all units of length, making their conversions simple and straightforward; one just has to remember the actual relation of these units.

Over time, the length of an inch and a foot varied, but today, it is standardized in relation to meters and centimeters.

**Published: February 6, 2024.**

## Inches (in) to Millimeters (mm) Conversion Calculator and Table

Inches (in) and millimeters (mm) are both units of length, making their conversions simple and straightforward; one just has to remember the actual relation of these units.

Over time, the length of an inch varied, but today, it is standardized in relation to meters and millimeters.

**Published: February 2, 2024.**

## Millimeters (mm) to Inches (in) Conversion Calculator and Table

Millimeters (mm) and inches (in) are both units of length, making their conversions simple and straightforward; one just has to remember the actual relation of these units.

Over time, the length of an inch varied, but today, it is standardized in relation to meters and millimeters.

**Published: February 2, 2024.**

## Kilowatts (kW) to Amps (A) Calculator

Convert kilowatts (kW) to Amps (A) using our conversion calculator. Also, learn more about relations between Amps (A), Voltage (V), Watts (W), and other units often used not only in Electrical Engineering but in many other walks of life.

**Published: February 2, 2024.**

## Convert Pounds to Kilograms and Kilograms to Pounds | lbs to kg and kg to lbs Conversion

Pounds and kilograms are units of mass, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article aims to demystify the process of converting pounds to kilograms and vice versa, providing readers with the knowledge and tools needed to perform these conversions accurately and efficiently - conversion calculators and conversion tables.

**Published: February 1, 2024.**

## kcal to kJ: Kilocalories (kcal) to Kilojoules (kJ) Converter

Kilocalories (kcal) and kilojoules (kJ) are units of energy, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value.

The kilocalorie, as a unit of energy, is tied to the energy required to increase or decrease the temperature of water.

**Published: January 27, 2024.**

## kJ to kcal: Kilojoules (kJ) to Kilocalories (kcal) Conversion

Kilojoules and kilocalories are units of energy, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value and that calorie is tied to the energy required to increase or decrease the temperature of water.

**Published: January 27, 2024.**

## Centimeters (cm) to Inches (in) Conversion Calculator and Table

Centimeters (cm) and inches (in) are both units of length, making their conversions simple and straightforward; one just has to remember the actual relation of these units.

Over time, the length of an inch varied, but today, it is standardized in relation to meters and centimeters.

**Published: January 19, 2024.**

## Inches (in) to Centimeters (cm) Conversion Calculator and Table

Inches (in) and centimeters (cm) are units of length and are very important not just in electrical engineering but also in everyday life - dimensions of, for example, many batteries are given very often in inches and centimeters.

Inches (In) and centimeters (cm) conversions are simple and straightforward; one just has to remember the actual relation of these units.

**Published: January 19, 2024.**

## Megawatt (MW) to Watt (W) Conversion Calculator and Table

Megawatt (MW) and Watt (W) are units of power, and their conversions are simple and straightforward - one just has to remember that "M" stands for "million," which is, according to the SI prefixes table, 10^{6} (one million) of the main value.

**Published: January 15, 2024.**

## Megahertz (MHz) to Hertz (Hz) Conversion Calculator and Table

Megahertz (MHz) and Hertz (Hz) are used to measure frequency, and their conversions are simple and straightforward - one just has to remember that "M" stands for "million," which is, according to the SI prefixes table, 10^{6} (one million) of the main value.

**Published: January 15, 2024.**

## SI Prefixes: How Many Watts in a Kilowatt and Kilowatts in a Megawatt and Vice Versa

SI prefixes are very important in electrical engineering but also in everyday life. Their use is relatively easy, but it can also cause many problems when done incorrectly.

Watts to kilowatts, kilowatts to megawatts, and other conversions are very important when electric energy and power of electric motors, pumps, winches, inverters, batteries, and other devices are being calculated, planned, transferred, or being used. SI prefixes help significantly, especially when dealing with very large or very small values.

**Updated: January 15, 2024.**

## Millivolts (mV) to Volts (V) Conversion Calculator and Table

Millivolts (mV) to Volts (V) are units of voltage, and their conversions are simple and straightforward - one just has to remember that "m" stands for "milli," which is, according to the SI prefixes table, 10^{-3} (one thousandth) of the main value.

**Published: January 13, 2024.**

## Joules (J) to Kilojoules (kJ) Conversion Calculator and Table

Joules (J) to Kilojoules (kJ) are units of energy, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value.

**Published: January 13, 2024.**

## Kilohertz (kHz) to Hertz (Hz) Conversion Calculator and Table

Kilohertz (kHz) and Hertz (Hz) are used to measure frequency, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value.

**Published: January 11, 2024.**

## Calories (cal) to Kilojoules (kJ) Conversion Calculator and Table

Calories (cal) and kilojoules (kJ) are units of energy, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value. Also, the calorie, as a unit of energy, is tied to the energy required to increase or decrease the temperature of water.

**Published: January 10, 2024.**

## kJ to cal: Kilojoules (kJ) to Calories (cal) Conversion Calculator and Table

Kilojoules and calories are units of energy, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value and that calorie is tied to the energy required to increase or decrease the temperature of water.

**Published: January 10, 2024.**

## Kilovolts (kV) to Volts (V) Conversion Calculator and Table

Kilovolts (kV) and volts (V) are used to measure voltage or potential difference, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value.

**Published: January 8, 2024.**

## Volts (V) to Millivolts (mV) Conversion

Volts and millivolts are used to measure voltage or potential difference, and their conversions are simple and straightforward - one just has to remember that "m" stands for "milli," which is, according to the SI prefixes table, 10^{-3} (one thousandth) of the main value.

**Published: January 8, 2024.**

## Nanocoulombs (nC) to Coulombs (C) Conversion Calculator and Table

Nanocoulombs (nC) to Coulombs (C) are units of charge, and their conversions are simple and straightforward - one just has to remember that "n" stands for "nano," which is, according to the SI prefixes table, 10^{-9} (one billionth) of the main value.

**Published: January 6, 2024.**

## Microcoulombs (μC) to Coulombs (C) Conversion Calculator and Table

Microcoulombs (μC) to Coulombs (C) are units of charge, and their conversions are simple and straightforward - one just has to remember that "μ" stands for "micro," which is, according to the SI prefixes table, 10^{-6} (one millionth) of the main value.

**Published: January 6, 2024.**

## Millicoulombs (mC) to Coulombs (C) Conversion Calculator and Table

Millicoulombs (mC) to Coulombs (C) are units of charge, and their conversions are simple and straightforward - one just has to remember that "m" stands for "milli," which is, according to the SI prefixes table, 10^{-3} (one thousandth) of the main value.

**Published: January 6, 2024.**

## Kilojoules (kJ) to Joules (J) Conversion Calculator and Table

Kilojoules and joules are units of energy, and their conversions are simple and straightforward - one just has to remember that "k" stands for "kilo," which is, according to the SI prefixes table, 10^{3} (one thousand) of the main value.

**Published: January 5, 2024.**

## Milliamps to Amps and Amps to Milliamps Calculator

Amps and milliamps describe the strength of a current, and their conversions are simple and straightforward - one just has to remember that "m" stands for "milli," which is, according to the SI prefixes table, 10^{-3} (one thousandth) of the main value.

**Published: August 11, 2023.**

## LED Resistor Calculator

An LED (Light Emitting Diode) resistor is a component used in a circuit with an LED to limit the amount of current flowing through the LED. LEDs are sensitive to the amount of current flowing through them. Too much current can cause them to burn out, while too little current might not light them up.

Resistors are used in LED circuits to prevent such issues. They are usually placed in series with LEDs to limit their currents.

**Published: August 7, 2023.**

## Voltage Divider Calculator | Explanation, Formula, Circuit

A voltage divider circuit is a simple circuit that converts a higher voltage into a lower one. The voltage divider consists of two resistors in series connected to an input voltage supply.

The desired voltage can be taken from the connection point between the resistors. A resistor-based voltage divider is sensitive to external load.

**Published: August 2, 2023.**

## Resistors in Parallel Circuit, Formula, Explanation, and Calculator

When resistors are connected in parallel, they share the same voltage. Each resistor provides an independent path for the current to flow.

The total current flowing from the source is split between the paths in inverse proportion to their resistances.

**Published: August 1, 2023.**

## Ohm's Law Calculator | Defined, Explained, Formulas, Triangle, Wheel

Understanding electricity, which is fundamental to our daily lives, requires a basic knowledge of certain key principles.

Among these is Ohm's Law, a concept that articulates the relationship between voltage, current, and resistance in electrical circuits.

**Published: 31.07.2023.**

## Wire Size/Gauge and Ampacity Charts

With various standards around, it is important to know how to convert proper cable sizes from one standard to another.

Also, voltage drop and power losses depend on the cable length, thickness, and current flowing through the cable.

**Updated: March 21, 2023.**

## Watts to BTU and BTU to Watts Conversions

Watts to BTU and BTU to Watts conversions are commonly required when calculating the power of devices that are used for air heating and cooling, like various AC units and electric heaters.

'Slight' issue is the fact that BTU is a unit of energy, while watts are a unit of power, and they can't directly be converted.

**Updated: January 25, 2022.**

## Convert Watt-Hours to Amp-Hours and Amp-Hours to Watt-Hours

Watt-hours (Wh) and Amp-hours (Ah) are two very common units in electrical engineering - simplified, Watt-hours is the unit of energy, while Amp-hours is the unit of battery capacity.

Direct conversion from Watt-hours to Amp-hours and from Amp-hours to Watt-hours is not possible without introducing the third unit - nominal and/or actual voltage of the electricity source, mostly battery.

**Published: December 13, 2021.**