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Kilocalorie to Watt-second

Convert measurements between Kilocalorie and Watt-second.

Common conversions

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

Conversion information

1 Kilocalorie = 4,184 Watt-second

One thousand calories, used in nutrition.
Energy transferred by one watt for one second.

Frequently Asked Questions

What is a kilocalorie?
It equals one thousand calories and is the unit used on nutrition labels.
Why is kcal used in nutrition?
Because it better represents the energy in foods in practical amounts.
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