Energy (cal, Cal, kcal, J, kJ) Conversion Problems

How many kilojoules of energy if eat 25 Calories?

100 kilojoules

How many joules of energy from 1 kilojoule?

1000 joules

If the American food label reads 250 Calories, how many kCals (nutritional Calories) would be listed on the international food label?

250 kcals (Cal)

A food provides 750,000 joules of energy. How many kilojoules of energy does this same food provide?

750 kJ

A can of soup provides 60 Calories of energy, how many of joules of energy does the soup provide.

240,000 joules

A serving size of peanut butter provides 190 Calories, how many joules of energy does the peanut butter provide?

760,000 joules

A lucky charm treat provides 1744 kilojoules of energy, how many (Nutrional) Calories from this treat?

436 Calories

A lucky charm treat provides 1744 kilojoules of energy, how many joules of energy from this treat?

1,744 joules

A serving of Ruffles chips provides 160 Calories of energy. How many kilojoules of energy from the chips?

640 kilojoules

42 grams of Cheez-its provides 240 Calories of energy. How many kilojoules of energy from eating the snack?

960 kilojoules

11 Dorito chips provides 140 Calories of energy. How many kilojoules of energy from eating the chips?

560 kJ

1 cup of mac-n-cheese provides 1400 kJ of energy, How many Calories?

350 Calories

2 hostess cupcakes provide 1,360,000 joules of energy. How many Calories?

325 Calories

A grande Java Chip Frappuccino (with Whip Cream) provides 1,840,000 joules of energy. How many Calories?

460 Calories

What are the SI units of energy?

Joules (J)

How many joules are in a kilojoule?

1000

How do you convert from joules to kilojoules?

Divide by 1000

How do you convert from kilojoules to joules?

Multiply by 1000

Convert 40 kJ to J?

40,000 J

Remember there are 1000 J in a kJ so if we have 40 kJ, then we have 1000 times the number of J

Convert 40 J to kJ?

0.04 kJ

Remember there are 1000 J in a kJ. So the number of kJ will be 1000 times less than the number of J

Convert 650 J to kJ?

0.650 kJ

Remember there are 1000 J in a kJ. So the number of kJ will be 1000 times less than the number of J

Convert 25,000 kJ to J?

25,000,000 J

Remember there are 1000 J in a kJ so if we have 25,000 kJ, then we have 1000 times the number of J

calorie

Amount of energy needed to raise temperature 1 gram of water 1 degree C

(Nutritional) Calorie

same unit of energy as a kilocalorie

200 calories = __________Calories

0.2

200,000 calories = ________ Calories

200

20 Calories = ________ kilocalories

20

200 Calories = ________________calories

200,000

A piece of candy has 20 Cal/g. If you eat 0.5 grams of the candy, how many Calories will you consume?

10

313.8 Joules

75.00 calories

32 calories

130 Joules

18 calories

80. Joules

176 calories

736 Joules

200.0 calories

836.8 Joules

1 calorie

4.184 Joules