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    Power Conversion

    5 Horsepower (Elec) to Milliwatt

    Quick answer

    5 Horsepower (Elec) (hp (E)) equals

    3,730,000 mW

    To convert 5 Horsepower (Elec)s to Milliwatts, multiply by 746,000. Therefore, 5 Horsepower (Elec) (hp (E)) equals 3,730,000 Milliwatt (mW).

    Formula: mW = hp (E) × 746,000. Calculation: 5 × 746,000 = 3,730,000 mW.

    Convert Horsepower (Elec) (hp (E)) to Milliwatt (mW) online with our free unit converter. In power, 1 hp (E) = 746,000 mW. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting Horsepower (Elec) to Milliwatt

    1. Step 1 — start with the formula. mW = hp (E) × 746,000
    2. Step 2 — substitute your figure. 5 hp (E) × 746,000
    3. Step 3 — read the result. 5 hp (E) = 3,730,000 mW
    4. Step 4 — check it in reverse. hp (E) = mW × 0.0000013405 returns Invalid hp (E), which matches the figure you started with.

    Power Converter

    22 units available

    Decimals:
    3,730,000

    5 hp (E) = 3,730,000 mW

    Formula:

    mW = hp (E) × 746,000

    With your value: 5 hp (E) = 3,730,000 mW

    How big is that?

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

    LED bulb (1/4.1e+2 your value)0.0121 hp (E)
    Laptop (1/57 your value)0.0871 hp (E)
    Microwave oven (1/3.7 your value)1.34 hp (E)
    Electric kettle (1/1.2 your value)4.02 hp (E)
    Your value5.00 hp (E)
    Family car engine (24× your value)121 hp (E)

    Other Horsepower (Elec) to Milliwatt conversions

    1 hp (E) to mW2 hp (E) to mW3 hp (E) to mW4 hp (E) to mW6 hp (E) to mW7 hp (E) to mW8 hp (E) to mWFull Horsepower (Elec) to Milliwatt converter

    Horsepower (Elec) to Milliwatt Conversion Table

    Horsepower (Elec) (hp (E))Milliwatt (mW)
    0.5373,000
    1746,000
    21,492,000
    53,730,000
    107,460,000
    1511,190,000
    2014,920,000
    2518,650,000
    5037,300,000
    10074,600,000
    250186,500,000
    500373,000,000
    1000746,000,000

    Milliwatt to Horsepower (Elec) Conversion Table

    Milliwatt (mW)Horsepower (Elec) (hp (E))
    0.56.702413e-7
    11.340483e-6
    22.680965e-6
    56.702413e-6
    101.340483e-5
    152.010724e-5
    202.680965e-5
    253.351206e-5
    506.702413e-5
    1000.000134
    2500.000335
    5000.00067
    10000.00134

    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 (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

    Milliwatt (mW)

    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 (Elec) to Milliwatt

    To convert from Horsepower (Elec) (hp (E)) to Milliwatt (mW), multiply the value by 746,000.

    Formula: mW = hp (E) × 746,000

    Reverse: hp (E) = mW × 0.0000013405

    Step-by-Step Example

    1. Start with your value in Horsepower (Elec). For example: 5 hp (E)
    2. Multiply by the conversion factor: 5 x 746,000
    3. The result is: 3,730,000 mW

    Horsepower (Elec) and Milliwatt Relationship

    This calculation facilitates standardized conversion between recognized units of power. Since 1 Horsepower (Elec) equals approximately 7.460e+5 Milliwatts, the Horsepower (Elec) represents a larger unit interval than the Milliwatt. Understanding the relationship between Horsepower (Elec) and Milliwatt is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About Horsepower (Elec)

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

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

    About Milliwatt

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

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

    Frequently Asked Questions

    What is 5 Horsepower (Elec) in Milliwatt?
    5 Horsepower (Elec) equals 3,730,000 Milliwatt.
    How many Milliwatts are in 1 Horsepower (Elec)?
    There are exactly 746,000 Milliwatts in 1 Horsepower (Elec). This means the conversion factor from Horsepower (Elec) to Milliwatt is 746,000.
    What is the formula to convert Horsepower (Elec) to Milliwatt?
    The formula to convert Horsepower (Elec) to Milliwatt is: mW = hp (E) × 746,000. For example, to convert 10 Horsepower (Elec)s to Milliwatts, you would multiply 10 by 746,000.
    What is a Horsepower (Elec)?
    The Horsepower (Elec) (symbol: hp (E)) is a recognized unit in the Standard measurement framework, utilized within power applications for precision and standardized data representation.
    What is a Milliwatt?
    The Milliwatt (symbol: mW) 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 (Elec)?
    The Horsepower (Elec) is commonly used in power calculations, engineering and science, education.

    Related Power Conversions

    Watt → MilliwattKilowatt → MilliwattMegawatt → MilliwattGigawatt → MilliwattMicrowatt → MilliwattHorsepower (Mech) → MilliwattHorsepower (Metric) → MilliwattHorsepower (Elec) → WattHorsepower (Elec) → Kilowatt

    Cite this page

    UnitConvertLab. (2026). 5 Horsepower (Elec) to Milliwatt. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/5-horsepower_elec-to-milliwatt