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    Energy Conversion

    28 BTU (IT) to Therm

    Quick answer

    28 BTU (IT) (BTU (IT)) equals

    0.00028 thm

    To convert 28 BTU (IT)s to Therms, multiply by 1.000000e-5. Therefore, 28 BTU (IT) (BTU (IT)) equals 0.00028 Therm (thm).

    Formula: thm = BTU (IT) × 1.000000e-5. Calculation: 28 × 1.000000e-5 = 0.00028 thm.

    Convert BTU (IT) (BTU (IT)) to Therm (thm) online with our free unit converter. In energy, 1 BTU (IT) = 1.000000e-5 thm. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting BTU (IT) to Therm

    1. Step 1 — start with the formula. thm = BTU (IT) × 0.00001
    2. Step 2 — substitute your figure. 28 BTU (IT) × 1.000000e-5
    3. Step 3 — read the result. 28 BTU (IT) = 0.00028 thm
    4. Step 4 — check it in reverse. BTU (IT) = thm × 100,000 returns 28 BTU (IT), which matches the figure you started with.

    Energy Converter

    27 units available

    Decimals:
    0.00028

    28 BTU (IT) = 0.00028 thm

    Formula:

    thm = BTU (IT) × 0.00001

    With your value: 28 BTU (IT) = 0.00028 thm

    How big is that?

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

    Heartbeat (1/3.0e+4 your value)0.000948 BTU (IT)
    AA battery charge (1/3.0 your value)9.48 BTU (IT)
    Your value28.0 BTU (IT)
    Slice of bread (9.5× your value)265 BTU (IT)
    Daily food intake (2.8e+2× your value)7.96e+3 BTU (IT)
    Litre of petrol (1.2e+3× your value)3.24e+4 BTU (IT)

    Other BTU (IT) to Therm conversions

    21 BTU (IT) to thm24 BTU (IT) to thm25 BTU (IT) to thm26 BTU (IT) to thm30 BTU (IT) to thm32 BTU (IT) to thm35 BTU (IT) to thmFull BTU (IT) to Therm converter

    BTU (IT) to Therm Conversion Table

    BTU (IT) (BTU (IT))Therm (thm)
    0.55.000000e-6
    11.000000e-5
    22.000000e-5
    55.000000e-5
    100.0001
    150.00015
    200.0002
    250.00025
    500.0005
    1000.001
    2500.0025
    5000.005
    10000.01

    Therm to BTU (IT) Conversion Table

    Therm (thm)BTU (IT) (BTU (IT))
    0.550,000
    1100,000
    2200,000
    5500,000
    101,000,000
    151,500,000
    202,000,000
    252,500,000
    505,000,000
    10010,000,000
    25025,000,000
    50050,000,000
    1000100,000,000

    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.

    BTU (IT) (BTU (IT))

    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

    Therm (thm)

    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 (IT) to Therm

    To convert from BTU (IT) (BTU (IT)) to Therm (thm), multiply the value by 1.000000e-5.

    Formula: thm = BTU (IT) × 0.00001

    Reverse: BTU (IT) = thm × 100,000

    Step-by-Step Example

    1. Start with your value in BTU (IT). For example: 5 BTU (IT)
    2. Multiply by the conversion factor: 5 x 1.000000e-5
    3. The result is: 5.000000e-5 thm

    BTU (IT) and Therm Relationship

    This calculation facilitates standardized conversion between recognized units of energy. Since 1 BTU (IT) represents a fraction of a Therm (1 Therm ≈ 1.000e+5 BTU (IT)s), the Therm is the larger measurement interval. Understanding the relationship between BTU (IT) and Therm is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About BTU (IT)

    The BTU (IT) (symbol: BTU (IT)) 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 (IT): energy calculations, engineering and science, education.

    About Therm

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

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

    Frequently Asked Questions

    What is 28 BTU (IT) in Therm?
    28 BTU (IT) equals 0.00028 Therm.
    How many Therms are in 1 BTU (IT)?
    There are exactly 1.000000e-5 Therms in 1 BTU (IT). This means the conversion factor from BTU (IT) to Therm is 1.000000e-5.
    What is the formula to convert BTU (IT) to Therm?
    The formula to convert BTU (IT) to Therm is: thm = BTU (IT) × 0.00001. For example, to convert 10 BTU (IT)s to Therms, you would multiply 10 by 1.000000e-5.
    What is a BTU (IT)?
    The BTU (IT) (symbol: BTU (IT)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within energy applications for precision and standardized data representation.
    What is a Therm?
    The Therm (symbol: thm) 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 (IT)?
    The BTU (IT) is commonly used in energy calculations, engineering and science, education.

    Related Energy Conversions

    Joule → ThermKilojoule → ThermMegajoule → ThermGigajoule → ThermMillijoule → ThermCalorie (th) → ThermCalorie (IT) → ThermKilocalorie → ThermBTU (th) → Therm

    Cite this page

    UnitConvertLab. (2026). 28 BTU (IT) to Therm. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/28-btu_it-to-therm