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Calories to Watt Hours Converter

Convert calories to watt hours and back instantly with formula and common values.

cal

Watt Hours

0.0062

Wh

5.3 cal = 0.0062 Wh

Wh = cal × 0.00116222

Calories to Watt Hours: 1 cal equals 0.001162 Wh. To convert calories to watt hours, multiply by 0.001162 (Wh = cal × 0.00116222). For example, 10 cal = 0.011622 Wh.

How to Convert Calories to Watt Hours

To convert from calories to watt hours, multiply the value by 0.001162. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Calories to Watt Hours: Wh = cal × 0.00116222
  • Watt Hours to Calories: cal = Wh ÷ 0.00116222

Calories to Watt Hours Conversion Chart

Calories (cal)Watt Hours (Wh)
0.10.000116
0.250.000291
0.50.000581
10.001162
20.002324
30.003487
50.005811
100.011622
200.023244
250.029056
500.058111
1000.116222
2500.290556
10001.162222

Understanding the Units

What is a Calorie?

The thermochemical calorie equals exactly 4.184 joules; the historical "small" calorie raised one gram of water by one degree Celsius.

Common contexts: chemistry, historical thermodynamics.

What is a Watt Hour?

A watt-hour equals exactly 3,600 joules.

Common contexts: phone batteries, small device energy.

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FAQ

How do I convert calories to watt hours?

Multiply by 0.00116222. For example, 5.3 cal × 0.00116222 = 0.0062 Wh.

What is the formula for calories to watt hours?

The formula is: Wh = cal × 0.00116222.

How many watt hours are in one calorie?

One calorie equals 0.0012 watt hours.

How many watt hours are in 1 calory?

1 cal equals 0.001162 Wh.

How do you convert calories to watt hours?

Multiply the calory value by 0.001162. Formula: Wh = cal × 0.00116222.

How many watt hours are in 5 calories?

5 cal = 0.005811 Wh.

How do you convert watt hours back to calories?

Use the inverse formula: cal = Wh ÷ 0.00116222. For example, 1 Wh = 860.420667 cal.

What is the difference between Calory and Watt Hour?

The thermochemical calorie equals exactly 4.184 joules; the historical "small" calorie raised one gram of water by one degree Celsius. A watt-hour equals exactly 3,600 joules.