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BTU to Kilocalories Converter

Free instant BTU → kcal converter. No signup, no uploads — everything is calculated privately in your browser.

1 BTU = 0.252164 kilocalories

Free and instant — every calculation runs in your browser. Nothing is uploaded.

Quick Answer

1 British thermal unit equals 0.252164 kilocalories. To convert btu to kilocalories, multiply the value by this factor.

Key Facts

  • Reverse: 1 kilocalorie = 3.96567 btu.

BTU to Kilocalories Formula

Formula: value ÷ 3.96567

Prefer to skip the math? Type any value in the converter above and it converts instantly.

BTU to Kilocalories Conversion Table

BTU (BTU)Kilocalories (kcal)
1 BTU0.252164 kcal
2 BTU0.504329 kcal
5 BTU1.26082 kcal
10 BTU2.52164 kcal
25 BTU6.30411 kcal
50 BTU12.6082 kcal
100 BTU25.2164 kcal
250 BTU63.0411 kcal
500 BTU126.082 kcal
1,000 BTU252.164 kcal

Frequently Asked Questions

How do I convert btu to kilocalories?

Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value ÷ 3.96567.

What is the exact btu to kilocalories conversion factor?

1 British thermal unit = 0.252164 kilocalories (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 kilocalorie = 3.96567 btu.

What are some common btu to kilocalories conversions?

1 BTU = 0.252164 kcal; 10 BTU = 2.52164 kcal; 100 BTU = 25.2164 kcal. Use the full conversion table below for more reference values.

Is a calorie the same as a food Calorie?

No — and the capital letter matters. A food Calorie (with a capital C) is a kilocalorie: 1,000 small calories. This converter treats them correctly: 1 kcal = 4.184 kJ = 1,000 cal. Energy labels on food almost always mean kilocalories, even where the label just says "calories".

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