Convert 1 Calories to BTU

Convert between cal and BTU with step-by-step calculation. 1 cal = 0.004 BTU.

cal to BTU
cal
BTU
Answer
1 cal ≈ 0.004 BTU
Decimal places: 0 1 2 3 4 5 6 7 8 9 10
Step 1 — Conversion factor

1 BTU ≈ 252.16 cal

To convert cal to BTU, divide by 252.16.

Step 2 — Calculate

1 cal × 1 BTU252.16 cal

≈ 1 ÷ 252.16

≈ 0.004 BTU (rounded to 3 decimal places)

1 cal ≈ 0.004 BTU

cal to BTU conversion table
calBTU
10.004
20.0079
50.0198
100.0397
250.0991
500.1983
1000.3966
2500.9914
5001.9828
10003.9657

How to Convert cal to BTU

To convert cal to BTU, use the conversion factor: 1 cal = 0.004 BTU. Enter any value above and click Convert to see the step-by-step calculation.

Formula

Multiply or divide the value by the conversion factor to get the result. The calculator shows every step of the arithmetic.

Frequently Asked Questions

How many BTU are in 1 cal?

1 cal = 0.004 BTU.

What category is this conversion?

This is a Energy conversion.

Complete list of cal conversions
Calories to BTU (thermochemical) BTU to Calories Calories to Electronvolts Calories to Erg Calories to Foot-pound Calories to Gigajoule Calories to Hartree Calories to Horsepower-Hour Calories to Joules Calories to Kilocalories Calories to Kilojoules Calories to Kilowatt-Hours Calories to Megajoule Calories to Megawatt-hour Calories to Quad Calories to Rydberg Calories to Therm Calories to Ton of Coal Equivalent Calories to Ton of Oil Equivalent Calories to Ton of TNT Calories to Watt-Second Calories to Watt-hour