Convert Watt-seconds to Calories

Enter the energy in watt-seconds below to get the value converted to calories.

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1 Ws = 0.239006 cal

How to Convert Watt-seconds to Calories

To convert a watt-second measurement to a calorie measurement, multiply the energy by the conversion ratio. One watt-second is equal to 0.239006 calories, so use this simple formula to convert:

calories = watt-seconds × 0.239006

The energy in calories is equal to the watt-seconds multiplied by 0.239006.

For example, here's how to convert 5 watt-seconds to calories using the formula above.
5 Ws = (5 × 0.239006) = 1.195029 cal

Watt-seconds and calories are both units used to measure energy. Keep reading to learn more about each unit of measure.

Watt-seconds

The watt-second is a measure of electrical energy equal to one watt of power over a one second period. One watt-second is equal to 1/3,600 of a watt-hour or one joule.

Watt-seconds can be abbreviated as Ws, for example 1 watt-second can be written as 1 Ws.

Calories

One calorie is equal to the heat needed to raise the temperature of one gram of water from 14.5 to 15.5 degrees Celsius.

When measuring the energy content in foods, the large calorie, or kilocalorie is used, but it's often still just called a "calorie." When both the calorie and large calorie are used in the same context it is common to refer to the calorie as a "small calorie."

Calories can be abbreviated as cal, for example 1 calorie can be written as 1 cal.

Watt-second Measurements and Equivalent Calorie Conversions

Common watt-second values converted to the equivalent calorie value
Watt-seconds Calories
1 Ws 0.239006 cal
2 Ws 0.478011 cal
3 Ws 0.717017 cal
4 Ws 0.956023 cal
5 Ws 1.195 cal
6 Ws 1.434 cal
7 Ws 1.673 cal
8 Ws 1.912 cal
9 Ws 2.1511 cal
10 Ws 2.3901 cal
11 Ws 2.6291 cal
12 Ws 2.8681 cal
13 Ws 3.1071 cal
14 Ws 3.3461 cal
15 Ws 3.5851 cal
16 Ws 3.8241 cal
17 Ws 4.0631 cal
18 Ws 4.3021 cal
19 Ws 4.5411 cal
20 Ws 4.7801 cal
21 Ws 5.0191 cal
22 Ws 5.2581 cal
23 Ws 5.4971 cal
24 Ws 5.7361 cal
25 Ws 5.9751 cal
26 Ws 6.2141 cal
27 Ws 6.4532 cal
28 Ws 6.6922 cal
29 Ws 6.9312 cal
30 Ws 7.1702 cal
31 Ws 7.4092 cal
32 Ws 7.6482 cal
33 Ws 7.8872 cal
34 Ws 8.1262 cal
35 Ws 8.3652 cal
36 Ws 8.6042 cal
37 Ws 8.8432 cal
38 Ws 9.0822 cal
39 Ws 9.3212 cal
40 Ws 9.5602 cal

More Watt-second Energy Conversions

Joules
Convert to Joules
1 Ws is equal to 1 joules
Convert to Kilojoules
1 Ws is equal to 0.001 kilojoules
Convert to Megajoules
1 Ws is equal to 1.0E-6 megajoules
Convert to Gigajoules
1 Ws is equal to 1.0E-9 gigajoules
Calories
Convert to Kilocalories
1 Ws is equal to 0.000239 kilocalories
Convert to Megacalories
1 Ws is equal to 2.3901E-7 megacalories
Watts x Time
Convert to Watt-hours
1 Ws is equal to 0.000278 watt-hours
Convert to Kilowatt-hours
1 Ws is equal to 2.7778E-7 kilowatt-hours
Convert to Megawatt-hours
1 Ws is equal to 2.7778E-10 megawatt-hours
Thermal Units
Convert to British Thermal Units
1 Ws is equal to 0.000948 british thermal units
Convert to Million BTU
1 Ws is equal to 9.4782E-10 million BTU
Convert to Therms
1 Ws is equal to 9.4782E-9 therms
Convert to Quads
1 Ws is equal to 9.4782E-19 quads
Electronvolts
Convert to Electronvolts
1 Ws is equal to 6,241,500,000,000,000,000 electronvolts
Convert to Kiloelectronvolts
1 Ws is equal to 6,241,500,000,000,000 kiloelectronvolts
Convert to Megaelectronvolts
1 Ws is equal to 6,241,509,343,260.2 megaelectronvolts