Convert BTU to Kilocalories

1 BTU = 0.252165 kcal

1 BTU = 0.252165 kcal

BTU (BTU) kilocalories (kcal)
0.5 0.126083
1 0.252165
2 0.504331
5 1.2608
10 2.5217
25 6.3041
50 12.6083
100 25.2165
250 63.0413
500 126.08
1000 252.17

To convert BTU to kilocalories, multiply the value by the conversion factor:

1 BTU = 0.252165 kcal

For example: 10 BTU = 2.5217 kcal

The Conversion Formula

To convert BTU to kilocalories, multiply the value by the conversion factor: 1 BTU = 0.252165 kcal. For a worked example, suppose you need to convert 25 BTU to kilocalories: 25 × 0.252165 = 6.3041 kcal. To convert in the opposite direction, divide by 0.252165, or equivalently multiply by 3.9657.

About BTU

The British Thermal Unit (BTU) is the imperial counterpart to the calorie. It is the heat needed to raise 1 pound of water by 1°F. Despite its name, it is almost exclusively used in the United States today, particularly for heating (furnaces) and cooling (air conditioners). BTU are commonly used in AC unit ratings, Gas grills, Furnaces, and Water heaters, Propane tanks.

Burning a single wooden match releases about 1 BTU.

About kilocalories

The kilocalorie (kcal) is what we colloquially call a 'Calorie' (capital C) on food labels in the US. It equals 1,000 small chemistry calories. It represents the energy required to heat 1 kilogram of water by 1°C. Confusion between calories and Calories is one of the most common unit errors in the world! kilocalories are commonly used in US Food labels, Diet apps, Fitness trackers, and Nutrition science, Body metabolic rate.

An apple contains about 95 kilocalories (Calories).

When Would You Convert BTU to kilocalories?

Converting between btu and kilocalories is one of the most common energy conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 BTU = 0.252165 kcal) memorized or bookmarked can save time in professional and everyday contexts alike.