Skip to content
Qalc AI
🇺🇸
EN
English
Watt Converter
All physics tools
Convert Watts to other power units like HP, BTU/h, and kW.
Input Power
Watts (W)
Reset
Conversions
Kilowatts
-
kW
Horsepower (Mech)
-
HP
BTU / Hour
-
BTU/h
Megawatts
-
MW
About this calculator
Quick Reference
1 kW
1,000 W
1 HP
745.7 W
1 BTU/h
0.293 W
Overview
Instantly convert electrical power in Watts to mechanical horsepower, thermal BTU/hr, and metric kilowatts.
💡
Pro Tips
1 kW = 1000 Watts
1 Mechanical Horsepower ≈ 745.7 Watts
1 BTU/hr ≈ 0.293 Watts
!
Fun Facts
"The 'Watt' is defined as one joule per second."
"Horsepower was originally defined by James Watt to compare steam engines to draft horses."
Formula: Conversion check
