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British thermal unit (IT) to Kilocalorie (food calorie) (BTU → kcal)

Convert british thermal unit (it) to kilocalorie (food calorie) instantly. The conversion factor below is exact by international definition.

Realtime·energy·imperial
Exact
BTU
× 0.2522
kcal
0.252164
Precision [auto]
6

📐BTU to kcal formulaExact

kcal = BTU × 0.252164400722
Inverse: BTU = kcal × 3.965666831391

Worked example: 1 BTU = 0.252164400722 kcal

ℹ️About these units

British thermal unit (IT) (BTU)
Source: International Table BTU.
Kilocalorie (food calorie) (kcal)
Nutrition labels in the US and worldwide as "Calorie".

📊Reference table: BTU → kcal

British thermal unit (IT) (BTU)Kilocalorie (food calorie) (kcal)
10.252164
20.504329
51.2608
102.5216
153.7825
205.0433
256.3041
5012.6082
10025.2164
25063.0411
500126.0822
750189.1233
1,000252.1644

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

Reverse: kcal → BTUBTU → kJBTU → JBTU → MJBTU → GJBTU → calBTU → WhBTU → kWhBTU → MWh

🔌API & widget

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