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1,000 Calories to Joules

Answer
1,000 cal = 4,184 J
joules = calories × 4.184
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4,184

1,000 calories = 4,184 joules · open this conversion

How the answer is worked out

One calorie is 4.184 joules, so converting is a single multiplication:

1,000 cal × 4.184 = 4,184 J

Conversion table around 1,000 cal

CaloriesJoules
1 cal4.184 J
2 cal8.368 J
5 cal20.92 J
10 cal41.84 J
20 cal83.68 J
25 cal104.6 J
50 cal209.2 J
100 cal418.4 J
150 cal627.6 J
200 cal836.8 J
250 cal1,046 J
300 cal1,255.2 J
400 cal1,673.6 J
500 cal2,092 J
600 cal2,510.4 J
800 cal3,347.2 J
1,000 cal4,184 J
1,500 cal6,276 J
2,000 cal8,368 J
2,500 cal10,460 J
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Nearby conversions

500 cal to J600 cal to J800 cal to J1,500 cal to J2,000 cal to J2,500 cal to J
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Related conversions

⇄ 1,000 Joules to Calories1,000 Calories to Kilojoules1,000 Calories to Kilocalories1,000 Calories to Watt hours1,000 Calories to Kilowatt hours

Frequently asked questions

▸How many joules is 1,000 calories?
1,000 calories is 4,184 joules. The conversion multiplies by 4.184, so 1,000 × 4.184 = 4,184.
▸What is the formula to convert calories to joules?
joules = calories × 4.184. One calorie is 4.184 joules.
▸How do I convert 1,000 joules back to calories?
Use the reverse conversion: 1,000 joules is 239.0057 calories.
▸Is this conversion exact?
The underlying factor is exact as defined by the SI and the 1959 international agreements. The figure shown is rounded to seven significant digits for readability.
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