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Last updated: Jun 3, 2026

kW to kVA Calculator

Easily convert kilowatts (kW) to kilovolt-amperes (kVA) with our accurate calculator. Supports single-phase and three-phase systems.

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kW to kVA calculator

kW
KVA
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kW to kVA Calculator

Easily convert kilowatts (kW) to kilovolt-amperes (kVA) with our accurate calculator. Supports single-phase and three-phase systems.

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Quick Intro: Convert kW to kVA

Convert kilowatts (kW) to kilovolt-amperes (kVA) instantly using our accurate and easy-to-use calculator. The conversion is based on the power factor (PF), which reflects the efficiency of electrical usage. This tool supports both single-phase and three-phase electrical systems, allowing you to input the real power and power factor to obtain the apparent power. Perfect for electrical engineers, energy consultants, and technical students, this calculator simplifies your electrical design and planning needs.

Formula to Convert kW to kVA

Use the following formulas to convert kW to kVA:

Single Phase: kVA = kW / PF
Three Phase: kVA = kW / (√3 × PF)
  • kW = Real Power
  • kVA = Apparent Power
  • PF = Power Factor (0 to 1)
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kW to kVA Calculator Overview

The kW to kVA calculator is a useful tool for converting real power (kilowatts) into apparent power (kilovolt-amperes). The conversion depends on the power factor, which typically ranges between 0 and 1. This tool supports both single-phase and three-phase systems, making it ideal for engineers, electricians, and students. Understanding this conversion is crucial for designing and evaluating electrical systems, especially in industrial and commercial settings. Whether you're estimating generator capacity or planning energy loads, this calculator helps ensure accurate and efficient power management.

Sample kW to kVA Canversion Table

kW Power Factor Single Phase kVA Three Phase kVA
10 0.8 12.5 7.21
25 0.8 31.25 18.03
50 0.8 62.5 36.08
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Frequently Asked Questions - kW to kVA Calculator:

kVA = kW / Power Factor (PF).
Power Factor is the ratio of real power (kW) to apparent power (kVA).
kW is real power; kVA is apparent power including reactive power.
Yes, kVA is usually higher due to power factor losses.
A power factor of 0.9 or above is considered good.
kVA = kW / (√3 × PF).
Generators are rated in kVA because they supply both real and reactive power.
No, power factor ranges from 0 to 1.
Low power factor results in higher apparent power and inefficiency.
Yes, if the power factor and phase type are correctly applied.
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