British thermal unit → Calorie (Btu → cal)

1 Btu = 252.16539196941 cal
1 British thermal unit (Btu) = 252.16539196941 Calorie (cal).

British thermal unit (Btu):


Calorie (cal):

If you want to reverse convert, use Calorie → British thermal unit. 1 cal = 0.0039656512425834 Btu. You can also explore the full Energy converter page for more cross conversions.

Conversion formula

British thermal unit to Calorie formula: value in cal = value in Btu × 252.16539196941.

Calorie to British thermal unit formula: value in Btu = value in cal × 0.0039656512425834.

How to convert British thermal unit to Calorie

To convert British thermal unit to Calorie, multiply the value in Btu by 252.16539196941. This gives the result in cal.

For example, 1 Btu = 252.16539196941 cal and 10 Btu = 2521.6539196941 cal.

What is British thermal unit?

British thermal unit (Btu): A heat-energy unit found in heating and cooling specifications; Btu/h instead measures power. 1 Btu ≈ 1055.06 J.

What is Calorie?

Calorie (cal): The thermochemical calorie is a heat unit equal to 4.184 joules. 1 cal = 4.184 J.

FAQ

British thermal unit → other Energy units

• 1 british thermal unit → joule = 1055.06 joule
• 1 british thermal unit → kilojoule = 1.05506 kilojoule
• 1 british thermal unit → megajoule = 0.00105506 megajoule
• 1 british thermal unit → calorie = 252.16539196941 calorie
• 1 british thermal unit → kilocalorie = 0.25216539196941 kilocalorie
• 1 british thermal unit → watt hour = 0.29307222222222 watt hour
• 1 british thermal unit → kilowatt hour = 0.00029307222222222 kilowatt hour
• 1 british thermal unit = 2.9307222222222E-7 megawatt hour
• 1 british thermal unit → foot pound = 778.17114366214 foot pound
• 1 british thermal unit = 6.5851665641006E+15 mega electron volt
• 1 british thermal unit = 6.5851665641006E+21 electron volt

British thermal unit → Calorie Table

The table below shows common values from British thermal unit to Calorie and the reverse direction for quick reference.

Calorie → British thermal unit Table

Calorie → British thermal unit

The reverse value is 1 cal = 0.0039656512425834 Btu.