Volt-amperes to watts
Type a value in VA to get it in W instantly.
80W
That's 4× as big as a phone charger, while a desktop PC is 4× bigger.
Convert the other way: W to VA
What it means
How big a supply is that?
Watts, kilowatts and kvar depend on the power factor chosen above. Reference ratings are typical.
The math
How to convert VA to W
kW = kVA × PF and kvar = kVA × √(1 − PF²). The three form a right triangle: kVA² = kW² + kvar². The figures below use the power factor selected above.
Example: 100 VA = 80 W.
The watts, kilowatts and kvar below assume 0.8 (generator rating). Change it above and every number updates.
Every unit
Your power in every unit
Tables
VA to W conversion table
| VA | W |
|---|---|
| 1 VA | 0.8 W |
| 2 VA | 1.6 W |
| 5 VA | 4 W |
| 7.5 VA | 6 W |
| 10 VA | 8 W |
| 15 VA | 12 W |
| 20 VA | 16 W |
| 30 VA | 24 W |
| 50 VA | 40 W |
| 100 VA | 80 W |
| 250 VA | 200 W |
| 500 VA | 400 W |
W to VA conversion table
| W | VA |
|---|---|
| 1 W | 1.25 VA |
| 2 W | 2.5 VA |
| 5 W | 6.25 VA |
| 7.5 W | 9.375 VA |
| 10 W | 12.5 VA |
| 15 W | 18.75 VA |
| 20 W | 25 VA |
| 30 W | 37.5 VA |
| 50 W | 62.5 VA |
| 100 W | 125 VA |
| 250 W | 312.5 VA |
| 500 W | 625 VA |
Quick answers
Quick answers
- How many W is 1 VA?
- 1 VA is 0.8 W.
- How many W is 10 VA?
- 10 VA is 8 W.
- How many W is 100 VA?
- 100 VA is 80 W.
The units
About these units
Volt-amperes (VA)
Apparent power: volts times amps.
Watts (W)
Real power, the part that does work.
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