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📏 Kilocalories per hour to BTU per hour Converter

Convert kilocalories per hour (kcal/h) to btu per hour (BTU/h) instantly, with the formula, a worked example and a conversion table.

Quick answer: 1 kilocalorie per hour (kcal/h) = 3.9656668 btu per hour (BTU/h). Formula: BTU/h = kcal/h × 3.9656668.

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Kilocalories per hour to BTU per hour Converter inputs

Result

1 kcal/h =

3.9656668 BTU/h

BTU/h = kcal/h × 3.9656668

1 kilocalorie per hour = 3.9656668 BTU/h · BTU/h to kcal/h

Kilocalories per hour to BTU per hour conversion table

Kilocalories per hour (kcal/h)BTU per hour (BTU/h)
0.1 kcal/h0.39656668 BTU/h
0.5 kcal/h1.9828334 BTU/h
1 kcal/h3.9656668 BTU/h
2 kcal/h7.9313337 BTU/h
3 kcal/h11.897 BTU/h
5 kcal/h19.828334 BTU/h
10 kcal/h39.656668 BTU/h
20 kcal/h79.313337 BTU/h
25 kcal/h99.141671 BTU/h
50 kcal/h198.28334 BTU/h
100 kcal/h396.56668 BTU/h
1,000 kcal/h3,965.6668 BTU/h

Other power conversions

kcal/h to Wkcal/h to kWkcal/h to MWkcal/h to hpkcal/h to PSkcal/h to BTU/hkcal/h to TR

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How to convert kilocalories per hour to btu per hour

Multiply the number of kilocalories per hour by 3.9656668 to get btu per hour: BTU/h = kcal/h × 3.9656668.

Example: 5 kcal/h = 19.828334 BTU/h.

The kilocalorie per hour (kcal/h) and the btu per hour (BTU/h) are both units of power. Need the opposite direction? Use the BTU/h to kcal/h converter.

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Metric and imperial units

The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.

Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.

This converter covers 18 categories and 106 units: length, weight, temperature, volume, area, speed, time, data, energy, pressure, power, angle, force, torque, frequency, flow rate, illuminance, density.

Frequently asked questions

How many btu per hour are in a kilocalorie per hour?

1 kilocalorie per hour = 3.9656668 btu per hour.

How do I convert kilocalories per hour to btu per hour?

Use the formula BTU/h = kcal/h × 3.9656668. For example, 5 kcal/h = 19.828334 BTU/h.

How do I convert btu per hour back to kilocalories per hour?

1 btu per hour = 0.2521644 kilocalories per hour. Use the BTU/h to kcal/h converter linked on this page.

Are these conversions exact?

Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.