Energy Converter

Kilocalorie to Joule
From
To
Reverse All Units

Converting between kilocalories and joules is essential in physics, nutrition, electrical engineering, and heating calculations. Energy units bridge different domains: joules in physics, calories in nutrition, kilowatt-hours in electricity, and BTUs in heating.

Also convert to: J kJ MJ cal Wh kWh BTU

81.99809 kcal = 343080.00856 j

81.99809 (eighty-one) kilocalorie(s) is equal to 343080.00856 (three hundred and forty-three thousand and eighty) joule(s)

What is kilocalorie?

The kilocalorie (kcal), often called a food Calorie (with capital C), equals 1,000 calories or 4,184 joules. It is the standard unit for measuring the energy content of food and beverages in nutrition.

What is joule?

The joule (J) is the SI unit of energy. It is defined as the work done by a force of one newton acting through a distance of one metre. Joules measure mechanical, electrical, and thermal energy.

How to convert kcal to j

To convert Kilocalorie to Joule, multiply the value by 4184.
81.99809 kcal × 4184 = 343080.00856 j

Common Conversions

kcal j (Joule) Description
1 kcal 4184 J 1 Kilocalorie(s) = 4184 Joule(s)
2 kcal 8368 J 2 Kilocalorie(s) = 8368 Joule(s)
5 kcal 20920 J 5 Kilocalorie(s) = 20920 Joule(s)
10 kcal 41840 J 10 Kilocalorie(s) = 41840 Joule(s)
25 kcal 104600 J 25 Kilocalorie(s) = 104600 Joule(s)
50 kcal 209200 J 50 Kilocalorie(s) = 209200 Joule(s)
100 kcal 418400 J 100 Kilocalorie(s) = 418400 Joule(s)
250 kcal 1046000 J 250 Kilocalorie(s) = 1046000 Joule(s)
500 kcal 2092000 J 500 Kilocalorie(s) = 2092000 Joule(s)
1000 kcal 4184000 J 1000 Kilocalorie(s) = 4184000 Joule(s)
2500 kcal 10460000 J 2500 Kilocalorie(s) = 10460000 Joule(s)
5000 kcal 20920000 J 5000 Kilocalorie(s) = 20920000 Joule(s)
10000 kcal 41840000 J 10000 Kilocalorie(s) = 41840000 Joule(s)

Convert Kilocalorie to other units

kcal Unit Description
81.99809 kcal 343080.00856 J Joule
81.99809 kcal 343.080009 kJ Kilojoule
81.99809 kcal 0.34308 MJ Megajoule
81.99809 kcal 81998.09 cal Calorie
81.99809 kcal 95.300002 Wh Watt-hour
81.99809 kcal 0.0953 kWh Kilowatt-hour
81.99809 kcal 325.177106 BTU British thermal unit

More Joule conversions

1 kcal 2 kcal 3 kcal 4 kcal 5 kcal 6 kcal 7 kcal 8 kcal 9 kcal 10 kcal 11 kcal 12 kcal 13 kcal 14 kcal 15 kcal 16 kcal 17 kcal 18 kcal 19 kcal 20 kcal 25 kcal 30 kcal 40 kcal 50 kcal 60 kcal 70 kcal 80 kcal 90 kcal 100 kcal 200 kcal 300 kcal 500 kcal 1000 kcal 2000 kcal 5000 kcal 10000 kcal

Share this conversion