Marks Calc

kilocalories to BTU

Convert kilocalorie (food cal) to btu — instant, free, with the formula shown.

1 kcal=3.965667 BTU

How to convert kilocalorie (food cal) to btu

To convert kilocalorie (food cal) to btu, multiply by 3.96566684:

BTU = kcal × 3.96566684

For example, 10 kcal × 3.965667 = 39.656668 BTU.

kcal to BTU conversion table

kilocalories (kcal)BTU (BTU)
1 kcal3.965667 BTU
2 kcal7.931334 BTU
5 kcal19.828334 BTU
10 kcal39.656668 BTU
25 kcal99.141671 BTU
50 kcal198.283342 BTU
100 kcal396.566684 BTU
250 kcal991.41671 BTU
500 kcal1982.833421 BTU
1000 kcal3965.666841 BTU
Reverse: BTU to Kilocalorie (food cal)

Other kilocalorie (food cal) conversions

Convert to btu from another unit

kcal to BTU — frequently asked

How many BTU are in 1 kilocalorie (food cal)?

1 kilocalorie (food cal) = 3.965667 BTU (kcal × 3.965667 = BTU).

What is the formula to convert kilocalorie (food cal) to btu?

Multiply your kilocalorie (food cal) value by 3.96566684 to get btu.

How do I convert 10 kilocalories to BTU?

10 kcal = 39.656668 BTU. For 100 kcal the answer is 396.566684 BTU. Use the calculator on this page for any other value.

When to convert kilocalorie (food cal) to btu

1Electricity bills (kWh)
2Nutrition labels (kcal / food cal)
3HVAC and heating (BTU, therms)
4Physics and chemistry (J, eV)

Energy conversion — common questions

Is a food calorie the same as a calorie?

No — a food 'Calorie' (capital C) actually means 1 kilocalorie = 1,000 small calories = 4,184 J. Nutrition labels typically write 'cal' meaning kcal.

How many joules in 1 kWh?

1 kWh = 3,600,000 J (3.6 MJ). Because 1 kW × 1 hour = 1,000 W × 3,600 s = 3,600,000 J.

What is a BTU?

British Thermal Unit — the energy required to raise 1 pound of water by 1 °F. 1 BTU ≈ 1,055 J.

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