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    UnitConvertLab — Unit conversion laboratory

    11 Kilocalorie/Hour to BTU/Second

    11 Kilocalorie/Hour (kcal/h) equals

    0.012117 BTU/s

    11 × 0.0011015741 = 0.012117 BTU/Second

    Convert Kilocalorie/Hour (kcal/h) to BTU/Second (BTU/s) instantly. 1 kcal/h = 0.001102 BTU/s.

    Worked example: converting Kilocalorie/Hour to BTU/Second

    1. Step 1 — start with the formula. BTU/s = kcal/h × 0.0011015741
    2. Step 2 — substitute your figure. 11 kcal/h × 0.0011015741
    3. Step 3 — read the result. 11 kcal/h = 0.012117 BTU/s
    4. Step 4 — check it in reverse. kcal/h = BTU/s × 907.791842772 returns 10.9997 kcal/h, which matches the figure you started with.

    Power Converter

    22 units available

    Decimals:
    0.012117

    11 kcal/h = 0.012117 BTU/s

    Formula:

    BTU/s = kcal/h × 0.0011015741

    With your value: 11 kcal/h = 0.01211732 BTU/s

    How big is that?

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

    LED bulb (1/1.4 your value)7.74 kcal/h
    Your value11.0 kcal/h
    Laptop (5.1× your value)55.9 kcal/h
    Microwave oven (78× your value)860 kcal/h
    Electric kettle (2.3e+2× your value)2.58e+3 kcal/h
    Family car engine (7.0e+3× your value)7.74e+4 kcal/h

    Other Kilocalorie/Hour to BTU/Second conversions

    7 kcal/h to BTU/s8 kcal/h to BTU/s9 kcal/h to BTU/s10 kcal/h to BTU/s12 kcal/h to BTU/s13 kcal/h to BTU/s14 kcal/h to BTU/sFull Kilocalorie/Hour to BTU/Second converter

    Kilocalorie/Hour to BTU/Second Conversion Table

    Kilocalorie/Hour (kcal/h)BTU/Second (BTU/s)
    0.50.000551
    10.001102
    20.002203
    50.005508
    100.011016
    150.016524
    200.022031
    250.027539
    500.055079
    1000.110157
    2500.275394
    5000.550787
    10001.101574

    BTU/Second to Kilocalorie/Hour Conversion Table

    BTU/Second (BTU/s)Kilocalorie/Hour (kcal/h)
    0.5453.895921
    1907.791843
    21,815.583686
    54,538.959214
    109,077.918428
    1513,616.877642
    2018,155.836855
    2522,694.796069
    5045,389.592139
    10090,779.184277
    250226,947.960693
    500453,895.921386
    1000907,791.842772

    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.

    Kilocalorie/Hour (kcal/h)

    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

    BTU/Second (BTU/s)

    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 Kilocalorie/Hour to BTU/Second

    To convert from Kilocalorie/Hour (kcal/h) to BTU/Second (BTU/s), multiply the value by 0.0011015741.

    Formula: BTU/s = kcal/h × 0.0011015741

    Reverse: kcal/h = BTU/s × 907.791842772

    Step-by-Step Example

    1. Start with your value in Kilocalorie/Hour. For example: 5 kcal/h
    2. Multiply by the conversion factor: 5 x 0.0011015741
    3. The result is: 0.005508 BTU/s

    About Kilocalorie/Hour

    The kilocalorie/hour (kcal/h) is a unit of power. One kilocalorie/hour equals 1.162222222 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

    About BTU/Second

    The btu/second (BTU/s) is a unit of power. One btu/second equals 1055.055853 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

    Frequently Asked Questions

    What is 11 Kilocalorie/Hour in BTU/Second?

    11 Kilocalorie/Hour equals 0.012117 BTU/Second.

    How many BTU/Second are in 1 Kilocalorie/Hour?

    There are exactly 0.0011015741 BTU/Second in 1 Kilocalorie/Hour. This means the conversion factor from Kilocalorie/Hour to BTU/Second is 0.0011015741.

    What is the formula to convert Kilocalorie/Hour to BTU/Second?

    The formula to convert Kilocalorie/Hour to BTU/Second is: BTU/s = kcal/h × 0.0011015741. For example, to convert 10 Kilocalorie/Hour to BTU/Second, you would multiply 10 by 0.0011015741.

    What is a Kilocalorie/Hour?

    The kilocalorie/hour (kcal/h) is a unit of power. One kilocalorie/hour equals 1.162222222 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    What is a BTU/Second?

    The btu/second (BTU/s) is a unit of power. One btu/second equals 1055.055853 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

    What are the common uses of Kilocalorie/Hour?

    The Kilocalorie/Hour is commonly used in power calculations, engineering and science, education.

    Related Power Conversions

    Watt → BTU/SecondKilowatt → BTU/SecondMegawatt → BTU/SecondGigawatt → BTU/SecondMilliwatt → BTU/SecondMicrowatt → BTU/SecondHorsepower (Mech) → BTU/SecondHorsepower (Metric) → BTU/SecondHorsepower (Elec) → BTU/Second

    Cite this page

    UnitConvertLab. (2026). 11 Kilocalorie/Hour to BTU/Second. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/11-kilocalorie_per_hour-to-btu_per_second