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    Energy Conversion

    20 BTU (th) to Erg

    Quick answer

    20 BTU (th) (BTU) equals

    210,870,000,000 erg

    To convert 20 BTU (th)s to Ergs, multiply by 10,543,500,000. Therefore, 20 BTU (th) (BTU) equals 210,870,000,000 Erg (erg).

    Formula: erg = BTU × 10,543,500,000. Calculation: 20 × 10,543,500,000 = 210,870,000,000 erg.

    Convert BTU (th) (BTU) to Erg (erg) online with our free unit converter. In energy, 1 BTU = 10,543,500,000 erg. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting BTU (th) to Erg

    1. Step 1 — start with the formula. erg = BTU × 1.054350e+10
    2. Step 2 — substitute your figure. 20 BTU × 10,543,500,000
    3. Step 3 — read the result. 20 BTU = 210,870,000,000 erg
    4. Step 4 — check it in reverse. BTU = erg × 9.484517e-11 returns Invalid BTU, which matches the figure you started with.

    Energy Converter

    27 units available

    Decimals:
    210,870,000,000

    20 BTU = 210,870,000,000 erg

    Formula:

    erg = BTU × 1.054350e+10

    With your value: 20 BTU = 210,870,000,000 erg

    How big is that?

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

    Heartbeat (1/2.1e+4 your value)0.000948 BTU
    AA battery charge (1/2.1 your value)9.48 BTU
    Your value20.0 BTU
    Slice of bread (13× your value)266 BTU
    Daily food intake (4.0e+2× your value)7.97e+3 BTU
    Litre of petrol (1.6e+3× your value)3.24e+4 BTU

    Other BTU (th) to Erg conversions

    14 BTU to erg15 BTU to erg16 BTU to erg18 BTU to erg21 BTU to erg24 BTU to erg25 BTU to ergFull BTU (th) to Erg converter

    BTU (th) to Erg Conversion Table

    BTU (th) (BTU)Erg (erg)
    0.55,271,750,000
    110,543,500,000
    221,087,000,000
    552,717,500,000
    10105,435,000,000
    15158,152,499,999.99997
    20210,870,000,000
    25263,587,499,999.99997
    50527,174,999,999.99994
    1001.054350e+12
    2502.635875e+12
    5005.271750e+12
    10001.054350e+13

    Erg to BTU (th) Conversion Table

    Erg (erg)BTU (th) (BTU)
    0.54.742258e-11
    19.484517e-11
    21.896903e-10
    54.742258e-10
    109.484517e-10
    151.422677e-9
    201.896903e-9
    252.371129e-9
    504.742258e-9
    1009.484517e-9
    2502.371129e-8
    5004.742258e-8
    10009.484517e-8

    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.

    BTU (th) (BTU)

    Energy

    Exact conversion

    The International Table BTU is exactly 1055.055 852 62 J.

    Thermochemical and 39 °F BTU definitions differ by up to 0.2 %.

    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 (erg)

    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 BTU (th) to Erg

    To convert from BTU (th) (BTU) to Erg (erg), multiply the value by 10,543,500,000.

    Formula: erg = BTU × 1.054350e+10

    Reverse: BTU = erg × 9.484517e-11

    Step-by-Step Example

    1. Start with your value in BTU (th). For example: 5 BTU
    2. Multiply by the conversion factor: 5 x 10,543,500,000
    3. The result is: 52,717,500,000 erg

    BTU (th) and Erg Relationship

    This calculation facilitates standardized conversion between recognized units of energy. Since 1 BTU (th) equals approximately 1.054e+10 Ergs, the BTU (th) represents a larger unit interval than the Erg. Understanding the relationship between BTU (th) and Erg is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About BTU (th)

    The BTU (th) (symbol: BTU) is a recognized unit in the US Customary / Imperial measurement framework, utilized within energy applications for precision and standardized data representation.

    Common uses of BTU (th): energy calculations, engineering and science, education.

    About Erg

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

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

    Frequently Asked Questions

    What is 20 BTU (th) in Erg?
    20 BTU (th) equals 210,870,000,000 Erg.
    How many Ergs are in 1 BTU (th)?
    There are exactly 10,543,500,000 Ergs in 1 BTU (th). This means the conversion factor from BTU (th) to Erg is 10,543,500,000.
    What is the formula to convert BTU (th) to Erg?
    The formula to convert BTU (th) to Erg is: erg = BTU × 1.054350e+10. For example, to convert 10 BTU (th)s to Ergs, you would multiply 10 by 10,543,500,000.
    What is a BTU (th)?
    The BTU (th) (symbol: BTU) is a recognized unit in the US Customary / Imperial measurement framework, utilized within energy applications for precision and standardized data representation.
    What is a Erg?
    The Erg (symbol: erg) 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 BTU (th)?
    The BTU (th) is commonly used in energy calculations, engineering and science, education.

    Related Energy Conversions

    Joule → ErgKilojoule → ErgMegajoule → ErgGigajoule → ErgMillijoule → ErgCalorie (th) → ErgCalorie (IT) → ErgKilocalorie → ErgBTU (th) → Joule

    Cite this page

    UnitConvertLab. (2026). 20 BTU (th) to Erg. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/20-btu-to-erg