Live Converter
Convert Power Online
Enter your value above to convert volt ampere units to watts or vice versa.
Real-World Examples
The Uses of Volt Ampere units to Watts Conversion
Volt amperes describe apparent power on small electronics and UPS nameplates, so this conversion is most useful when comparing against a device's real power draw given in watts.
Sizing a Home UPS for Small Electronics
Homeowners planning backup power who know their electronics' real power draw in watts convert a small uninterruptible power supply's nameplate rating, given in volt amperes, into watts to confirm adequate coverage.
Checking Power Strip and Surge Protector Capacity
Electricians who calculate the combined real power draw of plugged-in devices in watts convert a power strip's rated capacity, given in volt amperes, into watts to confirm it won't be overloaded.
Rating Small Transformers for Control Circuits
Control system technicians who know a circuit's real power demand in watts convert a small control transformer's nameplate rating, given in volt amperes, into watts for equipment sizing comparisons.
Quick Reference
Comprehensive Conversion Table
Our quick table gives you instant results, so you don't have to calculate these common values manually.
| Conversion | Formula | Result (W) |
|---|---|---|
| 1 VA to W | 1 × 1 | 1.00 W |
| 2 VA to W | 2 × 1 | 2.00 W |
| 3 VA to W | 3 × 1 | 3.00 W |
| 5 VA to W | 5 × 1 | 5.00 W |
| 10 VA to W | 10 × 1 | 10.00 W |
| 20 VA to W | 20 × 1 | 20.00 W |
| 50 VA to W | 50 × 1 | 50.00 W |
| 100 VA to W | 100 × 1 | 100.00 W |
| 500 VA to W | 500 × 1 | 500.00 W |
Got Questions?
Frequently Asked Questions
How many watts are in 1 volt ampere?
1 volt ampere equals 1 watts, a figure useful for anyone working at the small electronics and consumer UPS apparent power rating scale.
How many volt ampere units are in 1 watt?
1 watt equals approximately 1 volt amperes, which puts the size of a single watt into perspective against the volt ampere.
Why would anyone convert volt amperes to watts?
This comes up when sizing small UPS units, power strips, or control transformers, which are nameplate-rated in volt amperes (apparent power), against the real power draw of devices measured in watts.
Is a volt ampere the same size as a watt?
Under the simplified assumption used here, with a power factor of 1, a volt ampere and a watt are numerically equal, though in real AC circuits with reactive loads the two can differ.