Kilocalorie to BTU Calculator
Understanding Energy Conversion
Quick Conversion Facts
1 Kilocalorie (kcal) = 3.965667 British Thermal Units (BTU)
What is a Kilocalorie?
A kilocalorie is the amount of heat energy needed to raise the temperature of one kilogram of water by one degree Celsius. This unit is commonly used in nutrition as the "Calorie" (with a capital C) you see on food labels.
What is a BTU?
A British Thermal Unit (BTU) measures the amount of heat required to raise one pound of water by one degree Fahrenheit. BTUs are frequently used in heating and cooling applications, such as rating air conditioners and furnaces.
Common Applications
This conversion is particularly useful in: • HVAC system calculations • Food science and nutrition studies • Industrial process design • Energy efficiency calculations