Ton of Refrigeration to Horsepower (Mech) Converter

Power Converter

22 units available

Decimals:

From

To

4.716177

1 RT = 4.716177 hp

Formula:

hp = RT × 4.7161773471

With your value: 1 RT = 4.71617735 hp

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 (Mech) conversions

2 RT to hp 3 RT to hp 4 RT to hp 5 RT to hp 6 RT to hp 7 RT to hp 8 RT to hp

Ton of Refrigeration to Horsepower (Mech) Conversion Table

Ton of Refrigeration (RT)	Horsepower (Mech) (hp)
0.5	2.358089
1	4.716177
2	9.432355
5	23.580887
10	47.161773
15	70.74266
20	94.323547
25	117.904434
50	235.808867
100	471.617735
250	1,179.044337
500	2,358.088674
1000	4,716.177347

Horsepower (Mech) to Ton of Refrigeration Conversion Table

Horsepower (Mech) (hp)	Ton of Refrigeration (RT)
0.5	0.106018
1	0.212036
2	0.424072
5	1.060181
10	2.120361
15	3.180542
20	4.240723
25	5.300903
50	10.601807
100	21.203613
250	53.009033
500	106.018066
1000	212.036131

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 (Mech) (hp)

Power

Exact conversion

Mechanical horsepower is exactly 550 ft·lbf/s = 745.699 871 582 270 22 W.

Metric horsepower (PS) is 735.498 75 W — about 1.4 % lower.

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 (Mech)

To convert from Ton of Refrigeration (RT) to Horsepower (Mech) (hp), multiply the value by 4.7161773471.

Formula: hp = RT × 4.7161773471

Reverse: RT = hp × 0.2120361315

Step-by-Step Example

Start with your value in Ton of Refrigeration. For example: 5 RT
Multiply by the conversion factor: 5 x 4.7161773471
The result is: 23.580887 hp

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 (Mech)

The horsepower (mech) (hp) is a unit of power. One horsepower (mech) equals 745.6998716 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 (Mech) are in 1 Ton of Refrigeration?

There are exactly 4.7161773471 Horsepower (Mech) in 1 Ton of Refrigeration. This means the conversion factor from Ton of Refrigeration to Horsepower (Mech) is 4.7161773471.

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

The formula to convert Ton of Refrigeration to Horsepower (Mech) is: hp = RT × 4.7161773471. For example, to convert 10 Ton of Refrigeration to Horsepower (Mech), you would multiply 10 by 4.7161773471.

What is a Ton of Refrigeration?