kVA to VA Calculator

Convert kilovolt-amps to volt-amps accurately. A necessary tool for electrical engineers and technicians.

Result in VA:

Electricity is a fundamental aspect of modern life, powering everything from our homes to industries. When dealing with electrical systems, it's crucial to have a clear understanding of various units of measurement to ensure accuracy in calculations.

Two common units used in electrical engineering are kilovolt-amperes (kVA) and volt-amperes (VA). While these units might seem similar, they have distinct purposes and applications. kVA and VA represent the apparent power of a circuit or system.

They are used to quantify the total power consumed by electrical devices or generated by power sources. Understanding the difference between these units is essential for accurately assessing the capacity and efficiency of electrical systems.

Difference Between kVA and VA

While kVA and VA both measure apparent power, there are key differences between them. kVA accounts for the total power in a system, including both active and reactive components, whereas VA represents the apparent power without distinguishing between active and reactive elements.

Active Power vs. Reactive Power

Active power, measured in kilowatts (kW), represents the actual power consumed by electrical devices to perform work. In contrast, reactive power, measured in kilovars (kVAR), is required to maintain the voltage levels in an electrical system and support the magnetic fields of inductive loads such as motors and transformers.

Power Factor

The power factor is a measure of how effectively electrical power is being used in a system. It is the ratio of real power (kW) to apparent power (kVA) and is expressed as a value between 0 and 1. A higher power factor indicates more efficient use of electrical power and reduces energy wastage.

kVA to VA Calculation Formula

To convert kilovolt-amperes (kVA) to volt-amperes (VA), you can use the following formula:

VA = kVA × 1000

This formula is based on the fact that 1 kVA is equal to 1000 VA. Therefore, to convert from kVA to VA, you simply multiply the kVA value by 1000.


let's say you have an electrical load rated at 5 kVA. To convert this value to VA, you would use the formula:

VA = 5 kVA × 1000 = 5000 VA

So, 5 kVA is equivalent to 5000 VA.

Frequently Asked Questions

kVA (kilovolt-amperes) and VA (volt-amperes) both measure apparent power in an electrical circuit. However, kVA includes both real power (kW) and reactive power (kVAR), whereas VA represents the total apparent power without distinguishing between real and reactive components.

Converting kVA to VA is necessary when you need to express the apparent power in a different unit or when dealing with equipment ratings or specifications. Understanding the relationship between kVA and VA is essential for sizing electrical equipment, assessing power consumption, and designing efficient electrical systems.

To convert kilovolt-amperes (kVA) to volt-amperes (VA) manually, you simply multiply the kVA value by 1000, as 1 kVA is equal to 1000 VA. For example, if you have a load rated at 5 kVA, the equivalent value in VA would be 5000 VA.

Accurate conversion of kVA to VA is crucial for ensuring proper sizing and operation of electrical equipment, as well as for maintaining system reliability and safety. Incorrectly assessing power requirements or misinterpreting units can lead to undersized or oversized equipment, inefficient operation, and potential risks to equipment and personnel.