Watts to BTU per hour Converter

Enter the watts, then press Calculate. The BTU per hour stay hidden while you type.

Press Calculate after the entries are in.

What this power conversion is for

Use this page when a measurement is written in watts and the next step needs BTU per hour. The number stays blank until you press Calculate, so a half-typed entry is never mistaken for the answer.

The factor

Multiply by the factor: 1 watt = 3.41214163 BTU per hour.

A worked example

10 watts are 34.12141633 BTU per hour. Multiply the result by the reverse factor if you want the original number back.

How to check it

Write the factor down, do the multiply on paper, and compare it with the result card. If you change a sentence on this page, edit the HTML file and reload. The form and this note live in the same file.

The reverse conversion is BTU per hour to watts. A nearby pair in the same units is watts to megawatts. When the converted number is the input to a job, continue with the wattage.