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Watts to BTU/h Converter (Watts to Btu per Hour)

1 watt = 3.412141633 Btu per hour. To convert W to Btu/h, multiply by 3.412141633.

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100 W = 341.214 Btu/h

1 W
3.4121 Btu/h
1 Btu/h
0.2931 W
10 W
34.1214 Btu/h
100 W
341.2142 Btu/h

How to convert Watts to BTU/h

1 watt equals 3.412141633 Btu per hour, so the conversion is a single multiplication.

Btu/h = W × 3.412141633

Example: 150 W × 3.412141633 = 511.821 Btu/h.

1 watt in every power unit

Horsepower0.001341 hp
Kilowatts0.001 kW
Metric Horsepower0.00136 PS
Btu per Hour3.412 Btu/h
Megawatts0.000001 MW
Gigawatts1e-9 GW
Milliwatts1,000 mW
Tons of Refrigeration0.0002843 TR
Kilocalories per Hour0.8598 kcal/h
Foot-Pounds per Second0.7376 ft·lbf/s
BTU/h to WattsReverse conversionWatts to HP1 W = 0.001341 hpHP to Watts1 hp = 745.6999 WTons of Refrigeration to BTU/h1 TR = 12,000 Btu/hBTU/h to Tons of Refrigeration1 Btu/h = 0.00008333 TR

Watts to BTU/h FAQ

How many Btu per hour are in a watt?

1 watt = 3.412141633 Btu per hour.

How many watts are in a Btu per hour?

1 Btu per hour = 0.2930710702 watts.

How do I convert W to Btu/h?

Use Btu/h = W × 3.412141633. For example, 10 W = 34.121 Btu/h.

Can I print this Watts to BTU/h chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.