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    Energy Conversion

    2 Electron Volt to Rydberg

    Quick answer

    2 Electron Volt (eV) equals

    0.146997 Ry

    To convert 2 Electron Volts to Rydbergs, multiply by 0.0734986565. Therefore, 2 Electron Volt (eV) equals 0.146997 Rydberg (Ry).

    Formula: Ry = eV × 0.0734986565. Calculation: 2 × 0.0734986565 = 0.146997 Ry.

    Convert Electron Volt (eV) to Rydberg (Ry) online with our free unit converter. In energy, 1 eV = 0.073499 Ry. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting Electron Volt to Rydberg

    1. Step 1 — start with the formula. Ry = eV × 0.0734986565
    2. Step 2 — substitute your figure. 2 eV × 0.0734986565
    3. Step 3 — read the result. 2 eV = 0.146997 Ry
    4. Step 4 — check it in reverse. eV = Ry × 13.6056908692 returns 2 eV, which matches the figure you started with.

    Energy Converter

    27 units available

    Decimals:
    0.146997

    2 eV = 0.146997 Ry

    Formula:

    Ry = eV × 0.0734986565

    With your value: 2 eV = 0.14699731 Ry

    How big is that?

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

    Your value2.00 eV
    Heartbeat (3.1e+18× your value)6.24e+18 eV
    AA battery charge (3.1e+22× your value)6.24e+22 eV
    Slice of bread (8.7e+23× your value)1.75e+24 eV
    Daily food intake (2.6e+25× your value)5.24e+25 eV
    Litre of petrol (1.1e+26× your value)2.13e+26 eV

    Other Electron Volt to Rydberg conversions

    1 eV to Ry3 eV to Ry4 eV to Ry5 eV to Ry6 eV to Ry7 eV to Ry8 eV to RyFull Electron Volt to Rydberg converter

    Electron Volt to Rydberg Conversion Table

    Electron Volt (eV)Rydberg (Ry)
    0.50.036749
    10.073499
    20.146997
    50.367493
    100.734987
    151.10248
    201.469973
    251.837466
    503.674933
    1007.349866
    25018.374664
    50036.749328
    100073.498657

    Rydberg to Electron Volt Conversion Table

    Rydberg (Ry)Electron Volt (eV)
    0.56.802845
    113.605691
    227.211382
    568.028454
    10136.056909
    15204.085363
    20272.113817
    25340.142272
    50680.284543
    1001,360.569087
    2503,401.422717
    5006,802.845435
    100013,605.690869

    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.

    Electron Volt (eV)

    Energy

    Exact conversion

    1 eV = 1.602 176 634 × 10⁻¹⁹ J exactly, since the elementary charge is now fixed.

    Source: CODATA Internationally Recommended Values of the Fundamental Physical Constants (2022 adjustment)

    CODATA / NIST · Reviewed 2026-07-01

    Rydberg (Ry)

    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 Electron Volt to Rydberg

    To convert from Electron Volt (eV) to Rydberg (Ry), multiply the value by 0.0734986565.

    Formula: Ry = eV × 0.0734986565

    Reverse: eV = Ry × 13.6056908692

    Step-by-Step Example

    1. Start with your value in Electron Volt. For example: 5 eV
    2. Multiply by the conversion factor: 5 x 0.0734986565
    3. The result is: 0.367493 Ry

    Electron Volt and Rydberg Relationship

    This calculation facilitates standardized conversion between recognized units of energy. Since 1 Electron Volt represents a fraction of a Rydberg (1 Rydberg ≈ 13.6057 Electron Volts), the Rydberg is the larger measurement interval. Understanding the relationship between Electron Volt and Rydberg is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About Electron Volt

    The Electron Volt (symbol: eV) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.

    Common uses of Electron Volt: energy calculations, engineering and science, education.

    About Rydberg

    The Rydberg (symbol: Ry) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.

    Common uses of Rydberg: energy calculations, engineering and science, education.

    Frequently Asked Questions

    What is 2 Electron Volt in Rydberg?
    2 Electron Volt equals 0.146997 Rydberg.
    How many Rydbergs are in 1 Electron Volt?
    There are exactly 0.0734986565 Rydbergs in 1 Electron Volt. This means the conversion factor from Electron Volt to Rydberg is 0.0734986565.
    What is the formula to convert Electron Volt to Rydberg?
    The formula to convert Electron Volt to Rydberg is: Ry = eV × 0.0734986565. For example, to convert 10 Electron Volts to Rydbergs, you would multiply 10 by 0.0734986565.
    What is a Electron Volt?
    The Electron Volt (symbol: eV) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
    What is a Rydberg?
    The Rydberg (symbol: Ry) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
    What are the common uses of Electron Volt?
    The Electron Volt is commonly used in energy calculations, engineering and science, education.

    Related Energy Conversions

    Joule → RydbergKilojoule → RydbergMegajoule → RydbergGigajoule → RydbergMillijoule → RydbergCalorie (th) → RydbergCalorie (IT) → RydbergKilocalorie → RydbergBTU (th) → Rydberg

    Cite this page

    UnitConvertLab. (2026). 2 Electron Volt to Rydberg. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/2-electron_volt-to-rydberg