kcal

What is a Kilocalorie?

Definition

A kilocalorie (kcal) is a unit of energy equal to 1,000 calories or 4,184 joules. It is commonly called a 'Calorie' (with capital C) on food labels.

Popular Kilocalorie Conversions

Most common conversions from Kilocalories

1 kcal = 4,184 J Kilocalorie to Joules 1 kcal = 4.184 kJ Kilocalorie to Kilojoules 1 kcal = 1,000 cal Kilocalorie to Calories 1 kcal = 1.1622 Wh Kilocalorie to Watt Hours 1 kcal = 0.0011622222 kWh Kilocalorie to Kilowatt Hours 1 kcal = 26,114,473,967,543,832,805,376 eV Kilocalorie to Electronvolts

History

The kilocalorie became the standard unit for food energy in the United States and is commonly written as 'Calorie' with a capital C.

Common Uses

Food nutrition labels (US)
Diet and exercise planning
Metabolic rate calculations
Nutritional science

Fun Facts

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An average adult needs about 2,000 kcal per day

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Running a mile burns about 80-100 kcal

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A Big Mac contains about 540 kcal

All Kilocalorie Conversions

Kilocalories to Joules kcal → J Kilocalories to Kilojoules kcal → kJ Kilocalories to Calories kcal → cal Kilocalories to Watt Hours kcal → Wh Kilocalories to Kilowatt Hours kcal → kWh Kilocalories to Electronvolts kcal → eV Kilocalories to BTUs kcal → BTU Kilocalories to Therms kcal → thm