1000 Joules To Calories

Convert between chemical, electrical and physical energy units.

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Related Conversions
1 J to cal 5 J to cal 10 J to cal 25 J to cal 50 J to cal 100 J to cal 250 J to cal 500 J to cal 2,500 J to cal 10,000 J to cal 25,000 J to cal 100,000 J to cal
Reverse Conversions
1 cal to J 10 cal to J 25 cal to J 50 cal to J 100 cal to J 500 cal to J 1,000 cal to J 2,500 cal to J 5,000 cal to J 10,000 cal to J 25,000 cal to J 100,000 cal to J
More Energy Conversions
100 kJ to kcal 1 GJ to kWh 1 GJ to MJ 1 MJ to BTU 250 cal to J 1 MJ to kWh 2 GJ to MJ 2 MJ to BTU 250 kcal to kJ 1 kWh to cal

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Common Benchmarks

Slice of bread 330 kJ
Boil 1 liter water 334 kJ
Food calorie 4184 J
Gasoline liter 34 MJ
AA battery 10 kJ
1 kWh 3.6 MJ

Frequently Asked Questions

How much is 1000 joules in calories?

1000 joules is about 239.006 calories.

How many calories is 1 joule?

1 joule equals 0.239005736138 calories.

How many joules is 1 calorie?

1 calorie equals 4.184 joules.

What is the difference between joules and calories?

Both measure energy in SI. The main difference is usually scale: some units are convenient for smaller values, while others are used to express larger values more practically.

Where are joules and calories used?

They are used in physics and engineering to measure work, energy, and heat; the most practical unit depends on the magnitude.

Why does 1 joule equal 0.239005736138 calories?

Because the units are defined with a fixed relationship. To convert joules to calories, multiply by that factor.