What is the kW to VA formula?
Multiply kW by 1000 and divide by power factor.
Real to apparent power
kW to VA Calculator
Convert real power in kilowatts to apparent power in volt-amperes using the load power factor.
Interactive calculator
kW to VA Calculator
Result
6250.00 VA
VA = kW × 1000 ÷ PF
Live circuit diagram
kW to VA Calculator visualized in real time
Values update as you use the calculator.
Input
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Circuit setting
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Calculated output
Enter values to see the live result
Quick answers
kW to VA Calculator: quick answers
Get concise answers to the most common kw to va calculator questions before reviewing the formulas, examples, and detailed guidance below.
What is a practical kW to VA example?
5 kW at PF 0.8 equals 6250 VA.
Why do units matter?
A missed factor of 1000 can make the result unusable, so confirm every input and output unit.
Formula
kW to VA formulas
Choose the formula that matches the electrical system and known values.
Standard
VA = kW × 1000 ÷ PF
Lower PF increases VA demand.
Unity PF
VA = kW × 1000
Applies at PF 1.
Inverse
kW = VA × PF ÷ 1000
Convert apparent power back to kW.
How to use
Calculate in five clear steps
Check every unit and use measured or nameplate values where possible.
- 1. Enter real power in kW.
- 2. Find the load power factor.
- 3. Enter PF as a decimal.
- 4. Review apparent power in VA.
- 5. Check equipment VA and watt ratings.
Worked examples
Practical calculation examples
Examples make the formula and its assumptions easier to verify.
1 kW at PF 1
1,000 VA
5 kW at PF 0.8
6,250 VA
10 kW at PF 0.9
11,111.11 VA
20 kW at PF 0.8
25,000 VA
50 kW at PF 0.95
52,631.58 VA
75 kW at PF 0.85
88,235.29 VA
Accuracy
Common mistakes and limitations
The result is only as reliable as the selected formula and input data.
Conversion library
Explore all 44 electrical calculators
Continue from the kW to VA Calculator to a dedicated conversion tool for watts, amps, volts, kW, kVA, energy, batteries, or circuit calculations. Each linked page includes its own formula, examples, and guidance.
FAQ
kW to VA questions
Direct answers to common calculation questions.
What is the kW to VA formula?
Multiply kW by 1000 and divide by power factor.
What is a practical kW to VA example?
5 kW at PF 0.8 equals 6250 VA.
Why do units matter?
A missed factor of 1000 can make the result unusable, so confirm every input and output unit.
Does power factor matter?
Yes. Power factor connects real kW with apparent VA.
Can I use nameplate values?
Yes. Nameplate or reliable measured values are preferred for planning calculations.
Does this replace electrical design?
No. Final work requires code checks, equipment data, installation conditions, and qualified review.
Can I use decimal values?
Yes. Enter positive decimal values using consistent units.
Why might measured results differ?
Voltage variation, load changes, efficiency, harmonics, and instrument accuracy can affect field measurements.
Is the calculator free?
Yes. The calculator runs instantly without registration.
Can I copy the result?
Yes. Use the copy button beneath the calculated result.
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