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    Energy Conversion

    Kilowatt-Hour to Megawatt-Hour Converter

    Quick answer

    To convert Kilowatt-Hours to Megawatt-Hours, multiply by 0.001 (or divide by 1,000). Therefore, 1 Kilowatt-Hour (kWh) equals 0.001 Megawatt-Hours (MWh).

    Formula: MWh = kWh × 0.001. Worked example: 10 kWh = 0.01 MWh.

    Convert Kilowatt-Hour (kWh) to Megawatt-Hour (MWh) online with our free unit converter. In energy, 1 kWh = 0.001 MWh. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting Kilowatt-Hour to Megawatt-Hour

    1. Step 1 — start with the formula. MWh = kWh × 0.001
    2. Step 2 — substitute your figure. 10 kWh × 0.001
    3. Step 3 — read the result. 10 kWh = 0.01 MWh
    4. Step 4 — check it in reverse. kWh = MWh × 1,000 returns 10 kWh, which matches the figure you started with.

    Energy Converter

    27 units available

    Decimals:
    0.001

    1 kWh = 0.001 MWh

    Formula:

    MWh = kWh × 0.001

    With your value: 1 kWh = 0.001 MWh

    How big is that?

    Everyday references on a logarithmic scale, all expressed in kilowatt-hour so you can sanity-check the result.

    Heartbeat (1/3.6e+6 your value)2.78e-7 kWh
    AA battery charge (1/3.6e+2 your value)0.00278 kWh
    Slice of bread (1/13 your value)0.0778 kWh
    Your value1.00 kWh
    Daily food intake (2.3× your value)2.33 kWh
    Litre of petrol (9.5× your value)9.50 kWh

    Other Kilowatt-Hour to Megawatt-Hour conversions

    2 kWh to MWh3 kWh to MWh4 kWh to MWh5 kWh to MWh6 kWh to MWh7 kWh to MWh8 kWh to MWh

    Kilowatt-Hour to Megawatt-Hour Conversion Table

    Kilowatt-Hour (kWh)Megawatt-Hour (MWh)
    0.50.0005
    10.001
    20.002
    50.005
    100.01
    150.015
    200.02
    250.025
    500.05
    1000.1
    2500.25
    5000.5
    10001

    Megawatt-Hour to Kilowatt-Hour Conversion Table

    Megawatt-Hour (MWh)Kilowatt-Hour (kWh)
    0.5500
    11,000
    22,000
    55,000
    1010,000
    1515,000
    2020,000
    2525,000
    5050,000
    100100,000
    250250,000
    500500,000
    10001,000,000

    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.

    Kilowatt-Hour (kWh)

    Energy

    Exact conversion

    Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

    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

    Megawatt-Hour (MWh)

    Energy

    Exact conversion

    Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

    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 Kilowatt-Hour to Megawatt-Hour

    To convert from Kilowatt-Hour (kWh) to Megawatt-Hour (MWh), multiply the value by 0.001.

    Formula: MWh = kWh × 0.001

    Reverse: kWh = MWh × 1,000

    Step-by-Step Example

    1. Start with your value in Kilowatt-Hour. For example: 5 kWh
    2. Multiply by the conversion factor: 5 x 0.001
    3. The result is: 0.005 MWh

    Kilowatt-Hour and Megawatt-Hour Relationship

    Both Kilowatt-Hour and Megawatt-Hour belong to the Metric (SI) system, making this an intra-system conversion within energy. Since 1 Kilowatt-Hour represents a fraction of a Megawatt-Hour (1 Megawatt-Hour ≈ 1,000 Kilowatt-Hours), the Megawatt-Hour is the larger measurement interval. Understanding the relationship between Kilowatt-Hour and Megawatt-Hour is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About Kilowatt-Hour

    The kilowatt-hour is a unit of energy equal to 3.6 million joules, commonly used for electrical billing.

    Common uses of Kilowatt-Hour: electricity bills, energy consumption, appliances.

    About Megawatt-Hour

    The Megawatt-Hour (symbol: MWh) is a recognized unit in the Metric (SI) measurement framework, utilized within energy applications for precision and standardized data representation.

    Common uses of Megawatt-Hour: energy calculations, engineering and science, education.

    Frequently Asked Questions

    How many Megawatt-Hours are in 1 Kilowatt-Hour?
    There are exactly 0.001 Megawatt-Hours in 1 Kilowatt-Hour. This means the conversion factor from Kilowatt-Hour to Megawatt-Hour is 0.001.
    What is the formula to convert Kilowatt-Hour to Megawatt-Hour?
    The formula to convert Kilowatt-Hour to Megawatt-Hour is: MWh = kWh × 0.001. For example, to convert 10 Kilowatt-Hours to Megawatt-Hours, you would multiply 10 by 0.001.
    What is a Kilowatt-Hour?
    The kilowatt-hour is a unit of energy equal to 3.6 million joules, commonly used for electrical billing.
    What is a Megawatt-Hour?
    The Megawatt-Hour (symbol: MWh) is a recognized unit in the Metric (SI) measurement framework, utilized within energy applications for precision and standardized data representation.
    What are the common uses of Kilowatt-Hour?
    The Kilowatt-Hour is commonly used in electricity bills, energy consumption, appliances.

    Related Energy Conversions

    Joule → Megawatt-HourKilojoule → Megawatt-HourMegajoule → Megawatt-HourGigajoule → Megawatt-HourMillijoule → Megawatt-HourCalorie (th) → Megawatt-HourCalorie (IT) → Megawatt-HourKilocalorie → Megawatt-HourBTU (th) → Megawatt-Hour

    Cite this page

    UnitConvertLab. (2026). Kilowatt-Hour to Megawatt-Hour converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/kilowatt_hour-to-megawatt_hour