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    Power Conversion

    20 Horsepower (Mech) to Watt

    Quick answer

    20 Horsepower (Mech) (hp) equals

    14,913.997432 W

    To convert 20 Horsepower (Mech)s to Watts, multiply by 745.6998715823. Therefore, 20 Horsepower (Mech) (hp) equals 14,913.997432 Watt (W).

    Formula: W = hp × 745.6998715823. Calculation: 20 × 745.6998715823 = 14,913.997432 W.

    Convert Horsepower (Mech) (hp) to Watt (W) online with our free unit converter. In power, 1 hp = 745.699872 W. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting Horsepower (Mech) to Watt

    1. Step 1 — start with the formula. W = hp × 745.6998715823
    2. Step 2 — substitute your figure. 20 hp × 745.6998715823
    3. Step 3 — read the result. 20 hp = 14,913.997432 W
    4. Step 4 — check it in reverse. hp = W × 0.0013410221 returns Invalid hp, which matches the figure you started with.

    Power Converter

    22 units available

    Decimals:
    14,913.997432

    20 hp = 14,913.997432 W

    Formula:

    W = hp × 745.6998715823

    With your value: 20 hp = 14,913.99743165 W

    How big is that?

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

    LED bulb (1/1.7e+3 your value)0.0121 hp
    Laptop (1/2.3e+2 your value)0.0872 hp
    Microwave oven (1/15 your value)1.34 hp
    Electric kettle (1/5.0 your value)4.02 hp
    Your value20.0 hp
    Family car engine (6.0× your value)121 hp

    Other Horsepower (Mech) to Watt conversions

    14 hp to W15 hp to W16 hp to W18 hp to W21 hp to W24 hp to W25 hp to WFull Horsepower (Mech) to Watt converter

    Horsepower (Mech) to Watt Conversion Table

    Horsepower (Mech) (hp)Watt (W)
    0.5372.849936
    1745.699872
    21,491.399743
    53,728.499358
    107,456.998716
    1511,185.498074
    2014,913.997432
    2518,642.49679
    5037,284.993579
    10074,569.987158
    250186,424.967896
    500372,849.935791
    1000745,699.871582

    Watt to Horsepower (Mech) Conversion Table

    Watt (W)Horsepower (Mech) (hp)
    0.50.000671
    10.001341
    20.002682
    50.006705
    100.01341
    150.020115
    200.02682
    250.033526
    500.067051
    1000.134102
    2500.335256
    5000.670511
    10001.341022

    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

    Watt (W)

    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 Watt

    To convert from Horsepower (Mech) (hp) to Watt (W), multiply the value by 745.6998715823.

    Formula: W = hp × 745.6998715823

    Reverse: hp = W × 0.0013410221

    Step-by-Step Example

    1. Start with your value in Horsepower (Mech). For example: 5 hp
    2. Multiply by the conversion factor: 5 x 745.6998715823
    3. The result is: 3,728.499358 W

    Horsepower (Mech) and Watt Relationship

    This calculation facilitates standardized conversion between recognized units of power. Since 1 Horsepower (Mech) equals approximately 745.6999 Watts, the Horsepower (Mech) represents a larger unit interval than the Watt. Understanding the relationship between Horsepower (Mech) and Watt is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About Horsepower (Mech)

    The Horsepower (Mech) (symbol: hp) is a recognized unit in the Standard measurement framework, utilized within power applications for precision and standardized data representation.

    Common uses of Horsepower (Mech): power calculations, engineering and science, education.

    About Watt

    The Watt (symbol: W) is a recognized unit in the Metric (SI) measurement framework, utilized within power applications for precision and standardized data representation.

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

    Frequently Asked Questions

    What is 20 Horsepower (Mech) in Watt?
    20 Horsepower (Mech) equals 14,913.997432 Watt.
    How many Watts are in 1 Horsepower (Mech)?
    There are exactly 745.6998715823 Watts in 1 Horsepower (Mech). This means the conversion factor from Horsepower (Mech) to Watt is 745.6998715823.
    What is the formula to convert Horsepower (Mech) to Watt?
    The formula to convert Horsepower (Mech) to Watt is: W = hp × 745.6998715823. For example, to convert 10 Horsepower (Mech)s to Watts, you would multiply 10 by 745.6998715823.
    What is a Horsepower (Mech)?
    The Horsepower (Mech) (symbol: hp) is a recognized unit in the Standard measurement framework, utilized within power applications for precision and standardized data representation.
    What is a Watt?
    The Watt (symbol: W) is a recognized unit in the Metric (SI) measurement framework, utilized within power applications for precision and standardized data representation.
    What are the common uses of Horsepower (Mech)?
    The Horsepower (Mech) is commonly used in power calculations, engineering and science, education.

    Related Power Conversions

    Kilowatt → WattMegawatt → WattGigawatt → WattMilliwatt → WattMicrowatt → WattHorsepower (Mech) → KilowattHorsepower (Mech) → MegawattHorsepower (Mech) → GigawattHorsepower (Mech) → Milliwatt

    Cite this page

    UnitConvertLab. (2026). 20 Horsepower (Mech) to Watt. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/20-horsepower_mech-to-watt