Horsepower (Mech) to Erg/Second Converter

Power Converter

22 units available

Decimals:

From

To

7,456,998,715.822701

1 hp = 7,456,998,715.822701 erg/s

Formula:

erg/s = hp × 7.456999e+9

With your value: 1 hp = 7,456,998,715.8227005 erg/s

How big is that?

Everyday references on a logarithmic scale, all expressed in horsepower (mech) so you can sanity-check the result.

LED bulb (1/83 your value)0.0121 hp

Laptop (1/11 your value)0.0872 hp

Your value1.00 hp

Microwave oven (1.3× your value)1.34 hp

Electric kettle (4.0× your value)4.02 hp

Family car engine (1.2e+2× your value)121 hp

Other Horsepower (Mech) to Erg/Second conversions

2 hp to erg/s 3 hp to erg/s 4 hp to erg/s 5 hp to erg/s 6 hp to erg/s 7 hp to erg/s 8 hp to erg/s

Horsepower (Mech) to Erg/Second Conversion Table

Horsepower (Mech) (hp)	Erg/Second (erg/s)
0.5	3,728,499,357.911351
1	7,456,998,715.822701
2	14,913,997,431.645403
5	37,284,993,579.1135
10	74,569,987,158.227
15	111,854,980,737.3405
20	149,139,974,316.454
25	186,424,967,895.5675
50	372,849,935,791.135
100	745,699,871,582.27
250	1.864250e+12
500	3.728499e+12
1000	7.456999e+12

Erg/Second to Horsepower (Mech) Conversion Table

Erg/Second (erg/s)	Horsepower (Mech) (hp)
0.5	6.705110e-11
1	1.341022e-10
2	2.682044e-10
5	6.705110e-10
10	1.341022e-9
15	2.011533e-9
20	2.682044e-9
25	3.352555e-9
50	6.705110e-9
100	1.341022e-8
250	3.352555e-8
500	6.705110e-8
1000	1.341022e-7

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.

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

Erg/Second (erg/s)

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 Horsepower (Mech) to Erg/Second

To convert from Horsepower (Mech) (hp) to Erg/Second (erg/s), multiply the value by 7,456,998,715.8227005.

Formula: erg/s = hp × 7.456999e+9

Reverse: hp = erg/s × 1.341022e-10

Step-by-Step Example

Start with your value in Horsepower (Mech). For example: 5 hp
Multiply by the conversion factor: 5 x 7,456,998,715.8227005
The result is: 37,284,993,579.1135 erg/s

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.

About Erg/Second

The erg/second (erg/s) is a unit of power. One erg/second equals 1.000000 × 10^-7 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 Erg/Second are in 1 Horsepower (Mech)?

There are exactly 7,456,998,715.8227005 Erg/Second in 1 Horsepower (Mech). This means the conversion factor from Horsepower (Mech) to Erg/Second is 7,456,998,715.8227005.

What is the formula to convert Horsepower (Mech) to Erg/Second?

The formula to convert Horsepower (Mech) to Erg/Second is: erg/s = hp × 7.456999e+9. For example, to convert 10 Horsepower (Mech) to Erg/Second, you would multiply 10 by 7,456,998,715.8227005.

What is a Horsepower (Mech)?