Megacalories to British Thermal Units Conversion

Enter the energy in megacalories below to get the value converted to british thermal units.

Results in British Thermal Units:
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1 Mcal = 3,965.666831 BTU

How to Convert Megacalories to British Thermal Units

To convert a megacalorie measurement to a british thermal unit measurement, multiply the energy by the conversion ratio.

Since one megacalorie is equal to 3,965.666831 british thermal units, you can use this simple formula to convert:

british thermal units = megacalories × 3,965.666831

The energy in british thermal units is equal to the megacalories multiplied by 3,965.666831.

For example, here's how to convert 5 megacalories to british thermal units using the formula above.
5 Mcal = (5 × 3,965.666831) = 19,828.334157 BTU

Megacalories and british thermal units are both units used to measure energy. Keep reading to learn more about each unit of measure.


One megacalorie is equal to 1,000,000 calories, which are the heat needed to raise the temperature of one gram of water from 14.5 to 15.5 degrees Celsius. One megacalorie is equal to 4.184 megajoules.

Megacalories can be abbreviated as Mcal; for example, 1 megacalorie can be written as 1 Mcal.

British Thermal Units

British thermal units are a measure of heat energy. Specifically, one british thermal unit is equal to the amount of heat energy required to increase the temperature of one pound of water one degree Fahrenheit. They are often used as a way to rate the energy heat producing appliances such furnaces, and to price heating fuels such as natural gas.

The british thermal unit is a US customary unit of energy. British thermal units can be abbreviated as BTU; for example, 1 british thermal unit can be written as 1 BTU.

Megacalorie to British Thermal Unit Conversion Table

Megacalorie measurements converted to british thermal units
Megacalories British Thermal Units
0.001 Mcal 3.9657 BTU
0.002 Mcal 7.9313 BTU
0.003 Mcal 11.9 BTU
0.004 Mcal 15.86 BTU
0.005 Mcal 19.83 BTU
0.006 Mcal 23.79 BTU
0.007 Mcal 27.76 BTU
0.008 Mcal 31.73 BTU
0.009 Mcal 35.69 BTU
0.01 Mcal 39.66 BTU
0.02 Mcal 79.31 BTU
0.03 Mcal 118.97 BTU
0.04 Mcal 158.63 BTU
0.05 Mcal 198.28 BTU
0.06 Mcal 237.94 BTU
0.07 Mcal 277.6 BTU
0.08 Mcal 317.25 BTU
0.09 Mcal 356.91 BTU
0.1 Mcal 396.57 BTU
0.2 Mcal 793.13 BTU
0.3 Mcal 1,190 BTU
0.4 Mcal 1,586 BTU
0.5 Mcal 1,983 BTU
0.6 Mcal 2,379 BTU
0.7 Mcal 2,776 BTU
0.8 Mcal 3,173 BTU
0.9 Mcal 3,569 BTU
1 Mcal 3,966 BTU