power · International · Modern

kilowatt

kWexact

Definition

1 kW = exactly 1000 W.

One kilowatt is exactly 1,000 watts.

Common SI-prefixed power unit.

Still in current use in International. Beyond that, modern use is context-dependent and varies by region and measurement system.

kW is power; kWh is energy.

Source tier Tier A · confidence High

power · International · Modern

SI derived unit of power and radiant flux; 1 W = 1 J/s = 1 kg·m²·s⁻³.

power · International with multiple conventions · Modern/historical

Mechanical hp ≈ 745.6999 W; metric hp ≈ 735.4988 W; other named conventions also exist

variant