Daily Unit Converter

Energy & Work converter

Calorie to BTU Converter

Converts calorie to btu for energy.

From
To

Result

0.003966 BTU

1 cal = 0.003966 BTU

Also equals

4.184J
0.004184kJ
0.000001kWh
0.001kcal
0.001162Wh
0.003966BTU
3.08596ft·lb
Need the reverse conversion?BTU to Calorie Converter

Conversion formula

BTU = cal × 0.00396566627743

1 calorie equals 0.0039656663 btu.

Calorie to BTU table

Calorie (cal)BTU (BTU)
0.010
0.10.0004
10.004
20.0079
30.0119
50.0198
100.0397
200.0793
500.1983
1000.3966
1,0003.9657

About this conversion

This converter uses the displayed definition for calorie and its recognized relationship to btu. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.

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Convert Calorie to other energy & work units

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Frequently asked questions

How do I convert calories to btus?+

Enter the calories value in the converter. The result uses the defined factor 0.00396566627743 and is rounded only for display.

Does the converter keep full precision?+

Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.

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