Calorie/Hour to BTU/Minute Converter

Power Converter

22 units available

Decimals:

From

To

6.609445e-5

1 cal/h = 6.609445e-5 BTU/min

Formula:

BTU/min = cal/h × 0.0000660944

With your value: 1 cal/h = 6.609445e-5 BTU/min

How big is that?

Everyday references on a logarithmic scale, all expressed in calorie/hour so you can sanity-check the result.

Your value1.00 cal/h

LED bulb (7.7e+3× your value)7.74e+3 cal/h

Laptop (5.6e+4× your value)5.59e+4 cal/h

Microwave oven (8.6e+5× your value)8.60e+5 cal/h

Electric kettle (2.6e+6× your value)2.58e+6 cal/h

Family car engine (7.7e+7× your value)7.74e+7 cal/h

Other Calorie/Hour to BTU/Minute conversions

2 cal/h to BTU/min 3 cal/h to BTU/min 4 cal/h to BTU/min 5 cal/h to BTU/min 6 cal/h to BTU/min 7 cal/h to BTU/min 8 cal/h to BTU/min

Calorie/Hour to BTU/Minute Conversion Table

Calorie/Hour (cal/h)	BTU/Minute (BTU/min)
0.5	3.304722e-5
1	6.609445e-5
2	0.000132
5	0.00033
10	0.000661
15	0.000991
20	0.001322
25	0.001652
50	0.003305
100	0.006609
250	0.016524
500	0.033047
1000	0.066094

BTU/Minute to Calorie/Hour Conversion Table

BTU/Minute (BTU/min)	Calorie/Hour (cal/h)
0.5	7,564.932023
1	15,129.864046
2	30,259.728092
5	75,649.320231
10	151,298.640462
15	226,947.960693
20	302,597.280923
25	378,246.601154
50	756,493.202309
100	1,512,986.404617
250	3,782,466.011543
500	7,564,932.023086
1000	15,129,864.046172

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Calorie/Hour (cal/h)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

BTU/Minute (BTU/min)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Calorie/Hour to BTU/Minute

To convert from Calorie/Hour (cal/h) to BTU/Minute (BTU/min), multiply the value by 6.609445e-5.

Formula: BTU/min = cal/h × 0.0000660944

Reverse: cal/h = BTU/min × 15,129.8640461721

Step-by-Step Example

Start with your value in Calorie/Hour. For example: 5 cal/h
Multiply by the conversion factor: 5 x 6.609445e-5
The result is: 0.00033 BTU/min

About Calorie/Hour

The calorie/hour (cal/h) is a unit of power. One calorie/hour equals 0.001162222222 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

About BTU/Minute

The btu/minute (BTU/min) is a unit of power. One btu/minute equals 17.58426421 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

Frequently Asked Questions

How many BTU/Minute are in 1 Calorie/Hour?

There are exactly 6.609445e-5 BTU/Minute in 1 Calorie/Hour. This means the conversion factor from Calorie/Hour to BTU/Minute is 6.609445e-5.

What is the formula to convert Calorie/Hour to BTU/Minute?

The formula to convert Calorie/Hour to BTU/Minute is: BTU/min = cal/h × 0.0000660944. For example, to convert 10 Calorie/Hour to BTU/Minute, you would multiply 10 by 6.609445e-5.

What is a Calorie/Hour?