Ton of Refrigeration to Horsepower (Elec) Converter

Power Converter

22 units available

Decimals:

From

To

4.71428

1 RT = 4.71428 hp (E)

Formula:

hp (E) = RT × 4.7142799492

With your value: 1 RT = 4.71427995 hp (E)

How big is that?

Everyday references on a logarithmic scale, all expressed in ton of refrigeration so you can sanity-check the result.

LED bulb (1/3.9e+2 your value)0.00256 RT

Laptop (1/54 your value)0.0185 RT

Microwave oven (1/3.5 your value)0.284 RT

Electric kettle (1/1.2 your value)0.853 RT

Your value1.00 RT

Family car engine (26× your value)25.6 RT

Other Ton of Refrigeration to Horsepower (Elec) conversions

2 RT to hp (E)3 RT to hp (E)4 RT to hp (E)5 RT to hp (E)6 RT to hp (E)7 RT to hp (E)8 RT to hp (E)

Ton of Refrigeration to Horsepower (Elec) Conversion Table

Ton of Refrigeration (RT)	Horsepower (Elec) (hp (E))
0.5	2.35714
1	4.71428
2	9.42856
5	23.5714
10	47.142799
15	70.714199
20	94.285599
25	117.856999
50	235.713997
100	471.427995
250	1,178.569987
500	2,357.139975
1000	4,714.279949

Horsepower (Elec) to Ton of Refrigeration Conversion Table

Horsepower (Elec) (hp (E))	Ton of Refrigeration (RT)
0.5	0.106061
1	0.212121
2	0.424243
5	1.060607
10	2.121215
15	3.181822
20	4.242429
25	5.303037
50	10.606074
100	21.212147
250	53.030368
500	106.060736
1000	212.121472

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Ton of Refrigeration (RT)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Horsepower (Elec) (hp (E))

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Ton of Refrigeration to Horsepower (Elec)

To convert from Ton of Refrigeration (RT) to Horsepower (Elec) (hp (E)), multiply the value by 4.7142799492.

Formula: hp (E) = RT × 4.7142799492

Reverse: RT = hp (E) × 0.2121214715

Step-by-Step Example

Start with your value in Ton of Refrigeration. For example: 5 RT
Multiply by the conversion factor: 5 x 4.7142799492
The result is: 23.5714 hp (E)

About Ton of Refrigeration

The ton of refrigeration (RT) is a unit of power. One ton of refrigeration equals 3516.852842 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

About Horsepower (Elec)

The horsepower (elec) (hp (E)) is a unit of power. One horsepower (elec) equals 746 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

Frequently Asked Questions

How many Horsepower (Elec) are in 1 Ton of Refrigeration?

There are exactly 4.7142799492 Horsepower (Elec) in 1 Ton of Refrigeration. This means the conversion factor from Ton of Refrigeration to Horsepower (Elec) is 4.7142799492.

What is the formula to convert Ton of Refrigeration to Horsepower (Elec)?

The formula to convert Ton of Refrigeration to Horsepower (Elec) is: hp (E) = RT × 4.7142799492. For example, to convert 10 Ton of Refrigeration to Horsepower (Elec), you would multiply 10 by 4.7142799492.

What is a Ton of Refrigeration?