BTU to Watts Converter

BTU to Watts Converter

Watts
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Kilowatts
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1 BTU/hr = 0.293071 W · 1000 BTU/hr = 293.071 W

How to convert BTU to watts

To convert BTU per hour to watts, multiply by 0.293071. For example, 5000 BTU/hr × 0.293071 = 1465.35 watts. Going the other way, multiply watts by 3.41214 to get BTU/hr.

To convert BTU/hr to kilowatts, multiply by 0.000293071. So 12,000 BTU/hr × 0.000293071 = 3.517 kW.

1 BTU/hr = 0.293071 W. 1 kW = 3412.14 BTU/hr. BTU/hr is used in the US for rating air conditioners and heating systems. A typical window AC is 5000-12000 BTU/hr.

BTU/hr to watts conversion table

BTU/hr Watts (W) Common reference
1000 BTU/hr293.071 Wsmall heater
5000 BTU/hr1465.35 Wsmall window AC
8000 BTU/hr2344.57 Wmedium window AC
10,000 BTU/hr2930.71 Wlarge window AC
12,000 BTU/hr3516.85 W1 ton AC
18,000 BTU/hr5275.28 W1.5 ton AC
24,000 BTU/hr7033.70 W2 ton AC
36,000 BTU/hr10,550.6 W3 ton AC

Frequently asked questions

How many watts is 1 BTU/hr?
1 BTU/hr = 0.293071 watts. 1000 BTU/hr = 293.071 watts. 1 kW = 3412.14 BTU/hr.
How many watts is 5000 BTU?
5000 BTU/hr = 1465.35 watts = 1.465 kW. This is a typical small window air conditioner.
How many watts is 12000 BTU?
12,000 BTU/hr = 3516.85 watts = 3.517 kW = 1 ton of cooling capacity.
How many BTU is 1 kW?
1 kW = 3412.14 BTU/hr. Calculation: 1000 × 3.41214 = 3412.14 BTU/hr.
How many watts is 10000 BTU?
10,000 BTU/hr = 2930.71 watts = 2.931 kW. Calculation: 10,000 × 0.293071 = 2930.71 W.