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Power and Energy

hptoTR

Convert mechanical horsepower (hp) to tons of refrigeration (TR).

Factor1 hp = 0.2120361 TR

Converter

hp

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

Result
2.12036TR

Rendered to 6 significant figures.

Formula

Formula
TR = hp × 0.2120361

Multiply any value in mechanical horsepower by 0.2120361 to obtain the value in tons of refrigeration.

Worked example

Convert 10 hp to TR.

  1. 01Start with 10 hp.
  2. 02Multiply by the conversion factor: 10 × 0.2120361 = 2.12036 TR.
Result10 hp = 2.12036 TR

Conversion table

hpTR
10.21204
20.42407
51.0602
102.1204
204.2407
5010.602
10021.204
20042.407
500106.02
1000212.04

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from hp to TR?
1 hp equals 0.2120361 TR. To convert, multiply the value in mechanical horsepower by 0.2120361.
How do I convert 1 hp to TR?
1 hp = 0.212036 TR. For any value, multiply by 0.2120361.
How do I convert TR back to hp?
Divide by the same factor — or equivalently, multiply by 4.716177. So 1 TR = 4.71618 hp.
When would I need to convert mechanical horsepower 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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