watts to BTU/h converter

1 watt equals 3.412142 BTUs per hour. Conversions use BTU/h = W × 3.4121

W → 3.412142 BTU/h

BTU/h = W × 3.4121

Converter

Worked examples

1 W = 3.412142 BTU/h
2 W = 6.824283 BTU/h
5 W = 17.060708 BTU/h
10 W = 34.121416 BTU/h
100 W = 341.214 BTU/h

watts to BTUs per hour conversion table

W	BTU/h	Arithmetic
1 W	3.412142 BTU/h	× 3.4121
2 W	6.824283 BTU/h	× 3.4121
3 W	10.236425 BTU/h	× 3.4121
4 W	13.648567 BTU/h	× 3.4121
5 W	17.060708 BTU/h	× 3.4121
6 W	20.47285 BTU/h	× 3.4121
8 W	27.297133 BTU/h	× 3.4121
10 W	34.121416 BTU/h	× 3.4121
12 W	40.9457 BTU/h	× 3.4121
15 W	51.182124 BTU/h	× 3.4121
20 W	68.242833 BTU/h	× 3.4121
25 W	85.303541 BTU/h	× 3.4121
30 W	102.364 BTU/h	× 3.4121
40 W	136.486 BTU/h	× 3.4121
50 W	170.607 BTU/h	× 3.4121
60 W	204.728 BTU/h	× 3.4121
70 W	238.85 BTU/h	× 3.4121
80 W	272.971 BTU/h	× 3.4121
90 W	307.093 BTU/h	× 3.4121
100 W	341.214 BTU/h	× 3.4121

How to convert W to BTU/h

Take your value in watts.
Multiply by 3.4121
That is your answer in BTUs per hour — no rounding needed until you choose a display precision.

Related conversions

BTU/h to W W to kW W to MW W to hp W to PS kW to BTU/h MW to BTU/h hp to BTU/h PS to BTU/h all power units

Questions

How many BTUs per hour in 1 watt?

Exactly 3.412142 BTU/h. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert W to BTU/h?

Multiply the watts figure by 3.4121 — or use the converter above, which updates as you type.

Is W to BTU/h the same as BTU/h to W?

No — they are inverses. One W is 3.412142 BTU/h, while one BTU/h is 0.29307107 W.

What is 1 W in BTU/h?

1 W = 3.412142 BTU/h (see the value page for the full arithmetic).