Convert 420 Joules to Calories
How much energy is 420 joules? How many nutritional calories are in 420 joules? 420 J to kcal conversion.
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420 Joules ≈
0.10038241 Nutritional Calories
result rounded
Decimal places
Result in Plain English
420 joules is equal to about 0.100 Calories.
To a Percentage
420 joules ≈ 10.0% of a Calorie.
Result as a Fraction
420 joules
= 105⁄1,046 Calories
In Scientific Notation
420 joules
= 4.2 x 102 joules
≈ 1.00382 x 10-1 Calories
Joules
A joule is the standard unit of energy. On the surface of the Earth, it takes about 9.8 joules to lift a 1 kilogram object by 1 meter.
Calories
A nutritional Calorie, or kilocalorie, is commonly used in food labeling. It is equal to 4.184 kilojoules. The average American consumes about 2,700 kilocalories per day.