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Food Calorie to Watt-second

Convert measurements between Food Calorie and Watt-second.

Common conversions

100Cal = 418400 Ws
500Cal = 2.09e+6 Ws
1000Cal = 4.18e+6 Ws
2400Cal = 1.00e+7 Ws
3200Cal = 1.34e+7 Ws
5500Cal = 2.30e+7 Ws

Conversion information

1 Food Calorie = 4,184 Watt-second

1 Cal = 1 kcal (nutrition labels)
Energy transferred by one watt for one second.

Frequently Asked Questions

What is a food Calorie?
It is the unit used in nutrition, equivalent to one kilocalorie (kcal).
Why do labels say Cal instead of kcal?
By convention, in nutrition 1 Cal equals 1 kcal.
What is a watt-second?
It is the energy transferred when one watt of power acts for one second.
What is a watt-second equivalent to?
It is exactly equal to one joule.

Other energy conversions

Joule a Kilojoule Joule a Watt-hour Joule a Kilowatt-hour Joule a Kilocalorie Joule a Food Calorie Joule a BTU Kilojoule a Joule Kilojoule a Watt-hour Kilojoule a Kilowatt-hour Kilojoule a Kilocalorie Kilojoule a Food Calorie Kilojoule a BTU Watt-hour a Joule Watt-hour a Kilojoule Watt-hour a Kilowatt-hour Watt-hour a Kilocalorie Watt-hour a Food Calorie Watt-hour a BTU Kilowatt-hour a Joule Kilowatt-hour a Kilojoule Kilowatt-hour a Watt-hour Kilowatt-hour a Kilocalorie Kilowatt-hour a Food Calorie Kilowatt-hour a BTU Kilocalorie a Joule Kilocalorie a Kilojoule Kilocalorie a Watt-hour Kilocalorie a Kilowatt-hour Kilocalorie a Food Calorie Kilocalorie a BTU Food Calorie a Joule Food Calorie a Kilojoule Food Calorie a Watt-hour Food Calorie a Kilowatt-hour Food Calorie a Kilocalorie Food Calorie a BTU BTU a Joule BTU a Kilojoule BTU a Watt-hour BTU a Kilowatt-hour BTU a Kilocalorie BTU a Food Calorie