VA to Watts Converter — Free Online Calculator
Convert volt-amps (VA) to watts using power factor. Essential for UPS and generator sizing.
How to Use This Calculator
Enter VA and power factor. Watts = VA × PF.
The Formula Explained
VA (volt-amps) is apparent power. Watts is real power. Watts = VA × Power Factor. A UPS rated at 1000 VA with PF 0.8 delivers 800W of usable power.