Watt

W

Couramment utilisé Unité scientifique

The watt is the SI unit of power named after Scottish engineer James Watt. It's displayed on every electrical device, from light bulbs to appliances and power supplies.

Convertisseur rapide

1 W = kJ

Contrôle le format d'affichage. Les nombres très petits ou très grands seront affichés en notation scientifique (par exemple, 1,5e-6).

Watt (W)

The watt is the SI unit of power named after Scottish engineer James Watt. It’s displayed on every electrical device, from light bulbs to appliances and power supplies.

Characteristics

  • SI unit of power
  • 1 W = 1 J/s (joule per second)
  • Light bulbs: measured in watts (typical: 10-100W)
  • Device power: shown on labels (laptop charger: 65W, etc.)
  • Used in: electrical engineering, all power ratings

Conversions

  • 1 W = 0.001 kW
  • 1 W = 0.000001 MW
  • 1 W = 0.001341 hp
  • 1 W = 3.41214 BTU/h
  • 1000 W = 1 kilowatt

Unités associées

Utilisé dans les régions

International Worldwide
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