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BTU to Watts Converter

Convert BTU/hr to Watts

Formula

Watts = BTU/hr ÷ 3.41214 | 1 BTU/hr = 0.29307 W | 12,000 BTU/hr = 1 ton = 3,517 W

Frequently Asked Questions

How do I convert BTU to watts?
Divide BTU/hr by 3.41214 to get watts. For example, 12,000 BTU/hr = 3,517 watts = 3.517 kW. This equals 1 ton of cooling capacity.
How many BTU do I need for my room?
A general rule is 20 BTU per square foot. A 200 sq ft room needs about 4,000 BTU, a 300 sq ft room about 6,000 BTU, and a 500 sq ft room about 10,000 BTU. Adjust for insulation, climate, and sun exposure.

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