Calorie to British thermal unit

1 cal = 0.003966 BTU

One calorie equals 0.003966 btu, and one british thermal unit equals 252.164401 calories.

Calorie to British thermal unit formula

BTU = cal × 0.0039656668

To convert calories to btu, multiply the value by 0.0039656668. One calorie equals 0.003966 btu.

Step-by-step examples

Convert 1 calories to btu

  1. 1Start with the value in calories: 1 cal.
  2. 2Multiply by the conversion factor 0.0039656668.
  3. 31 × 0.0039656668 = 0.003966 BTU.

Result: 1 cal = 0.003966 BTU

Convert 10 calories to btu

  1. 1Start with the value in calories: 10 cal.
  2. 2Multiply by the conversion factor 0.0039656668.
  3. 310 × 0.0039656668 = 0.039657 BTU.

Result: 10 cal = 0.039657 BTU

Convert 100 calories to btu

  1. 1Start with the value in calories: 100 cal.
  2. 2Multiply by the conversion factor 0.0039656668.
  3. 3100 × 0.0039656668 = 0.396567 BTU.

Result: 100 cal = 0.396567 BTU

Calorie to British thermal unit conversion table

Calorie (cal)British thermal unit (BTU)
0.010.00004
0.10.000397
0.50.001983
10.003966
20.007931
30.011897
40.015863
50.019828
100.039657
200.079313
250.099142
500.198283
1000.396567
2500.991417
5001.982833
10003.965667

Calorie to British thermal unit chart

00.009910.020.030.040 cal10 cal

cal (horizontal) vs BTU (vertical)

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Related converters

Reverse: British thermal unit to Calorie

Frequently asked questions

How many btu are in a calorie?

There are 0.003966 btu in one calorie (1 cal = 0.003966 BTU).

How do you convert calories to btu?

To convert calories to btu, multiply the value by 0.0039656668. One calorie equals 0.003966 btu.

What is 10 calories in btu?

10 calories equals 0.039657 btu.

How many calories are in a british thermal unit?

One british thermal unit equals 252.164401 calories (1 BTU = 252.164401 cal).