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Calories to BTU converter

Convert cal to BTU instantly. Type any value and get the result in btu. 1 cal = 0.00396565 BTU.

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Energy›cal → BTU
From
To
result below ↓
1 cal=
0.00396565BTU
formula1 cal = 0.00396565 BTU

Common calories → btu

=0.00396565 BTU
=0.0079313 BTU
=0.0198283 BTU
=0.0396565 BTU
=0.079313 BTU
=0.198283 BTU
=0.396565 BTU
=1.98283 BTU
=3.96565 BTU

Need a different value? .

Convert the other way
BTU to Calories

How to convert calories to btu

To convert calories to btu, multiply the value by 0.00396565.

Formula
BTU = cal × 0.00396565

For example:

  • →5 cal = 0.0198283 BTU
  • →100 cal = 0.396565 BTU

Quick reference

  • ▸1 cal = 0.00396565 BTU
  • ▸1 BTU = 252.165 cal

When you need to convert cal to BTU

  • ·Nutrition — converting calories to kilojoules on food labels.
  • ·Electricity bills — kWh consumption.
  • ·Heating — BTU ratings for furnaces.
  • ·Exercise — calorie burn during workouts.
  • ·Science — chemistry and physics problems.

Frequently asked

How many btu are in 1 calorie?
One calorie equals 0.00396565 btu.
How do I convert cal to BTU in my head?
Multiply the value in calories by 0.00396565 to get btu.
What is the formula for calories to btu?
BTU = cal × 0.00396565.
What is the reverse — how many calories in 1 btu?
One btu equals 252.165 calories.

Related conversions

BTU to Calories
1 BTU = 252.165 cal
Calories to Joules
1 cal = 4.184 J
Calories to Kilojoules
1 cal = 0.004184 kJ
Calories to Kilocalories
1 cal = 0.001 kcal
Joules to BTU
1 J = 0.000947813 BTU
Kilojoules to BTU
1 kJ = 0.947813 BTU
Kilocalories to BTU
1 kcal = 3.96565 BTU
Watt-hours to BTU
1 Wh = 3.41213 BTU
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