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Power and Energy

BTU/hrtoBTU/s

Convert British thermal units per hour (BTU/hr) to British thermal units per second (BTU/s).

Factor1 BTU/hr = 0.0002777778 BTU/s

Converter

BTU/hr

Accepts numbers or expressions, e.g. 150 + 14.7

Result
1BTU/s

Rendered to 6 significant figures.

Formula

Formula
BTU/s = BTU/hr × 0.0002777778

Multiply any value in British thermal units per hour by 0.0002777778 to obtain the value in British thermal units per second.

Worked example

Convert 3600 BTU/hr to BTU/s.

  1. 01Start with 3600 BTU/hr.
  2. 02Multiply by the conversion factor: 3600 × 0.0002777778 = 1 BTU/s.
Result3600 BTU/hr = 1 BTU/s

Conversion table

BTU/hrBTU/s
10.00027778
20.00055556
50.0013889
100.0027778
200.0055556
500.013889
1000.027778
2000.055556
5000.13889
10000.27778

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from BTU/hr to BTU/s?
1 BTU/hr equals 0.0002777778 BTU/s. To convert, multiply the value in British thermal units per hour by 0.0002777778.
How do I convert 1 BTU/hr to BTU/s?
1 BTU/hr = 0.000277778 BTU/s. For any value, multiply by 0.0002777778.
How do I convert BTU/s back to BTU/hr?
Divide by the same factor — or equivalently, multiply by 3600. So 1 BTU/s = 3600 BTU/hr.
When would I need to convert British thermal unit per hour to British thermal unit per second?
Power conversions are common when comparing motor ratings (often kW or hp), thermal duty (BTU/hr or kW), and utility consumption in mixed-unit projects.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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