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Power and Energy

ft·lbf/stoTR

Convert foot-pounds force per second (ft·lbf/s) to tons of refrigeration (TR).

Factor1 ft·lbf/s = 0.0003855202 TR

Converter

ft·lbf/s

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

Result
3.8552TR

Rendered to 6 significant figures.

Formula

Formula
TR = ft·lbf/s × 0.0003855202

Multiply any value in foot-pounds force per second by 0.0003855202 to obtain the value in tons of refrigeration.

Worked example

Convert 10000 ft·lbf/s to TR.

  1. 01Start with 10000 ft·lbf/s.
  2. 02Multiply by the conversion factor: 10000 × 0.0003855202 = 3.8552 TR.
Result10000 ft·lbf/s = 3.8552 TR

Conversion table

ft·lbf/sTR
10.00038552
20.00077104
50.0019276
100.0038552
200.0077104
500.019276
1000.038552
2000.077104
5000.19276
10000.38552

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from ft·lbf/s to TR?
1 ft·lbf/s equals 0.0003855202 TR. To convert, multiply the value in foot-pounds force per second by 0.0003855202.
How do I convert 1 ft·lbf/s to TR?
1 ft·lbf/s = 0.00038552 TR. For any value, multiply by 0.0003855202.
How do I convert TR back to ft·lbf/s?
Divide by the same factor — or equivalently, multiply by 2593.898. So 1 TR = 2593.9 ft·lbf/s.
When would I need to convert foot-pound force per second to ton of refrigeration?
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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