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kVA, kW and amps calculator
Convert between kVA, kW and amps for single and three phase power.
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About kVA, kW and amps calculator
Convert between kVA, kW and amps for single phase and three phase supplies. Real power in kW equals kVA times the power factor. Three phase current is kVA times 1000 divided by root 3 times the line voltage. Useful when choosing a generator, UPS or transformer.
How to use kVA, kW and amps calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
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Frequently asked questions
What is the difference between kVA and kW?
kVA is apparent power and kW is real power. They differ by the power factor, so a 100 kVA load at 0.8 power factor delivers 80 kW.
Is kVA, kW and amps calculator free?
Yes. kVA, kW and amps calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.