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    UnitConvertLab — Unit conversion laboratory

    8 BTU/Minute to Calorie/Second

    8 BTU/Minute (BTU/min) equals

    33.62192 cal/s

    8 × 4.202740012 = 33.62192 Calorie/Second

    Convert BTU/Minute (BTU/min) to Calorie/Second (cal/s) instantly. 1 BTU/min = 4.20274 cal/s.

    Worked example: converting BTU/Minute to Calorie/Second

    1. Step 1 — start with the formula. cal/s = BTU/min × 4.202740012
    2. Step 2 — substitute your figure. 8 BTU/min × 4.202740012
    3. Step 3 — read the result. 8 BTU/min = 33.62192 cal/s
    4. Step 4 — check it in reverse. BTU/min = cal/s × 0.2379400099 returns 8 BTU/min, which matches the figure you started with.

    Power Converter

    22 units available

    Decimals:
    33.62192

    8 BTU/min = 33.62192 cal/s

    Formula:

    cal/s = BTU/min × 4.202740012

    With your value: 8 BTU/min = 33.6219201 cal/s

    How big is that?

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

    LED bulb (1/16 your value)0.512 BTU/min
    Laptop (1/2.2 your value)3.70 BTU/min
    Your value8.00 BTU/min
    Microwave oven (7.1× your value)56.9 BTU/min
    Electric kettle (21× your value)171 BTU/min
    Family car engine (6.4e+2× your value)5.12e+3 BTU/min

    Other BTU/Minute to Calorie/Second conversions

    4 BTU/min to cal/s5 BTU/min to cal/s6 BTU/min to cal/s7 BTU/min to cal/s9 BTU/min to cal/s10 BTU/min to cal/s11 BTU/min to cal/sFull BTU/Minute to Calorie/Second converter

    BTU/Minute to Calorie/Second Conversion Table

    BTU/Minute (BTU/min)Calorie/Second (cal/s)
    0.52.10137
    14.20274
    28.40548
    521.0137
    1042.0274
    1563.0411
    2084.0548
    25105.0685
    50210.137001
    100420.274001
    2501,050.685003
    5002,101.370006
    10004,202.740012

    Calorie/Second to BTU/Minute Conversion Table

    Calorie/Second (cal/s)BTU/Minute (BTU/min)
    0.50.11897
    10.23794
    20.47588
    51.1897
    102.3794
    153.5691
    204.7588
    255.9485
    5011.897
    10023.794001
    25059.485002
    500118.970005
    1000237.94001

    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/Minute (BTU/min)

    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

    Calorie/Second (cal/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 BTU/Minute to Calorie/Second

    To convert from BTU/Minute (BTU/min) to Calorie/Second (cal/s), multiply the value by 4.202740012.

    Formula: cal/s = BTU/min × 4.202740012

    Reverse: BTU/min = cal/s × 0.2379400099

    Step-by-Step Example

    1. Start with your value in BTU/Minute. For example: 5 BTU/min
    2. Multiply by the conversion factor: 5 x 4.202740012
    3. The result is: 21.0137 cal/s

    About BTU/Minute

    The btu/minute (BTU/min) is a unit of power. One btu/minute equals 17.58426421 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 Calorie/Second

    The calorie/second (cal/s) is a unit of power. One calorie/second equals 4.184 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 8 BTU/Minute in Calorie/Second?

    8 BTU/Minute equals 33.62192 Calorie/Second.

    How many Calorie/Second are in 1 BTU/Minute?

    There are exactly 4.202740012 Calorie/Second in 1 BTU/Minute. This means the conversion factor from BTU/Minute to Calorie/Second is 4.202740012.

    What is the formula to convert BTU/Minute to Calorie/Second?

    The formula to convert BTU/Minute to Calorie/Second is: cal/s = BTU/min × 4.202740012. For example, to convert 10 BTU/Minute to Calorie/Second, you would multiply 10 by 4.202740012.

    What is a BTU/Minute?

    The btu/minute (BTU/min) is a unit of power. One btu/minute equals 17.58426421 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 Calorie/Second?

    The calorie/second (cal/s) is a unit of power. One calorie/second equals 4.184 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 BTU/Minute?

    The BTU/Minute is commonly used in power calculations, engineering and science, education.

    Related Power Conversions

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

    Cite this page

    UnitConvertLab. (2026). 8 BTU/Minute to Calorie/Second. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/8-btu_per_minute-to-calorie_per_second