Convert Btu (th) to calorie (IT)

Please provide values below to convert Btu (th) [Btu (th)] to calorie (IT) [cal (IT)], or Convert calorie (IT) to Btu (th).

1 Btu (th) = 251.827233209 cal (IT). To convert Btu (th) to calorie (IT), multiply the value by 251.827233209; to go the other way, divide by it (1 cal (IT) = 0.0039709764002 Btu (th)). Both units measure energy and appear in everyday as well as technical calculations, so switching between them quickly is often useful.

Quick Reference

  • 1 Btu (th) = 251.827233209 cal (IT)
  • 1 cal (IT) = 0.0039709764002 Btu (th)
  • 10 Btu (th) = 2518.27233209 cal (IT)
  • 100 Btu (th) = 25182.7233209 cal (IT)



How to Convert Btu (Th) to Calorie (It)

1 Btu (th) = 251.827233209133 cal (IT)

Example: convert 15 Btu (th) to cal (IT):
15 Btu (th) = 15 × 251.827233209133 cal (IT) = 3777.408498137 cal (IT)


Btu (Th) to Calorie (It) Conversion Table

Btu (th) calorie (IT)
1 Btu (th) 251.827233209 cal (IT)
2 Btu (th) 503.654466418 cal (IT)
3 Btu (th) 755.481699627 cal (IT)
5 Btu (th) 1259.13616605 cal (IT)
10 Btu (th) 2518.27233209 cal (IT)
20 Btu (th) 5036.54466418 cal (IT)
50 Btu (th) 12591.3616605 cal (IT)
100 Btu (th) 25182.7233209 cal (IT)
500 Btu (th) 125913.616605 cal (IT)
1000 Btu (th) 251827.233209 cal (IT)

Btu (Th)

The Btu (th), or British thermal unit (th), is a unit of energy used primarily in the United States to measure heat content, equivalent to the amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit.

History/Origin

The Btu (th) originated from the British thermal unit, a traditional unit of heat in the British Imperial system, and has been used historically in heating, cooling, and energy industries to quantify energy content and heat transfer.

Current Use

Today, the Btu (th) is mainly used in the energy sector, particularly in heating and cooling systems, natural gas billing, and energy content measurement, especially within the United States.


Calorie (It)

The calorie (cal) is a unit of energy traditionally used to quantify the amount of heat required to raise the temperature of one gram of water by one degree Celsius at standard atmospheric pressure.

History/Origin

The calorie was originally defined in the 19th century as a unit of heat energy in thermodynamics. It has historically been used in nutrition and physics, but has largely been replaced by the joule in scientific contexts. The 'small calorie' (cal) is distinct from the 'large calorie' (kcal), which is commonly used in food energy labeling.

Current Use

Today, the calorie is primarily used in nutrition to measure the energy content of foods and beverages, although the SI unit of energy, the joule, is increasingly preferred in scientific and technical fields.


Frequently Asked Questions

What is 1 Btu (th) in calorie (IT)?

1 Btu (th) (Btu (th)) = 251.827233209 calorie (IT) (cal (IT)).

How do you convert Btu (th) to calorie (IT)?

Multiply the Btu (th) value by 251.827233209. For example, 25 Btu (th) × 251.827233209 = 6295.68083023 cal (IT).

What is 10 Btu (th) in calorie (IT)?

10 Btu (th) = 2518.27233209 cal (IT).

Which unit is larger, the Btu (th) or the calorie (IT)?

The Btu (th) is the larger unit: 1 Btu (th) = 251.827233209 cal (IT).



Convert Btu (th) To Other Energy Units