Kilocalories to British thermal units Converter

Convert kilocalories (kcal) to british thermal units (BTU) instantly. Energy conversions link food labels in kJ and kcal, SP Group bills in kWh and air-conditioner capacity in BTU.

Result

British thermal units
3.9657 BTU

How to use the kilocalories to british thermal units converter

  1. Enter the kilocalories (kcal).
  2. The results update as you type, or press Calculate.
  3. Read the british thermal units first, then the supporting figures below it.

Formula

British thermal units = kilocalories × 3.9656668412

Worked example

For example, with these inputs:

the calculator returns:

Kilocalories to British thermal units table

KilocaloriesBritish thermal units
1 kcal3.9657 BTU
2 kcal7.9313 BTU
5 kcal19.8283 BTU
10 kcal39.6567 BTU
20 kcal79.3133 BTU
25 kcal99.1417 BTU
50 kcal198.2833 BTU
100 kcal396.5667 BTU
250 kcal991.4167 BTU
500 kcal1,982.83 BTU
1,000 kcal3,965.67 BTU

About this conversion

Energy conversions link food labels in kJ and kcal, SP Group bills in kWh and air-conditioner capacity in BTU.

Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.

Unit conversion is simply multiplication by a fixed ratio. The ratio between two units of the same quantity never changes, so once you know it you can convert any value in either direction.

Frequently asked questions

How many british thermal units are in one kilocalorie?

1 kcal = 3.9657 BTU.

How do I convert kcal to BTU?

British thermal units = kilocalories × 3.9656668412.

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