Efficiently transform kilojoules to gram calories and vice versa with Examples.com. Enjoy quick conversions by entering your data.

Conversion Factors:

  • Kilojoules to Gram Calories: 1 kilojoule = 239.006 gram calories
  • Gram Calories to Kilojoules: 1 gram calorie = 0.004184 kilojoules

How to Convert Kilojoules to Gram Calories:

To convert kilojoules to gram calories, multiply the number of kilojoules by 239.006.

Gram Calories = Kilojoules×239.006

Example:

Convert 5 kilojoules to gram calories.

Gram Calories = 5×239.006 = 1195.03 cal

How to Convert Gram Calories to Kilojoules:

To convert gram calories to kilojoules, divide the number of gram calories by 239.006.

Kilojoules = Gram Calories/239.006

Example:

Convert 500 gram calories to kilojoules.

Kilojoules = 500/239.006 = 2.092 kJ

Kilo Joule to Gram Calories Conversion Table

Kilojoules (kJ)Gram Calories (cal)
1 kJ239.006 cal
2 kJ478.012 cal
3 kJ717.018 cal
4 kJ956.024 cal
5 kJ1195.03 cal
6 kJ1434.036 cal
7 kJ1673.042 cal
8 kJ1912.048 cal
9 kJ2151.054 cal
10 kJ2390.06 cal
20 kJ4780.12 cal
30 kJ7170.18 cal
40 kJ9560.24 cal
50 kJ11950.3 cal
60 kJ14340.36 cal
70 kJ16730.42 cal
80 kJ19120.48 cal
90 kJ21510.54 cal
100 kJ23900.6 cal

kJ to cal Conversion Chart

Gram Calories to Kilo Joule Conversion Table

Gram Calories (cal)Kilojoules (kJ)
1 cal0.004184 kJ
2 cal0.008368 kJ
3 cal0.012552 kJ
4 cal0.016736 kJ
5 cal0.02092 kJ
6 cal0.025104 kJ
7 cal0.029288 kJ
8 cal0.033472 kJ
9 cal0.037656 kJ
10 cal0.04184 kJ
20 cal0.08368 kJ
30 cal0.12552 kJ
40 cal0.16736 kJ
50 cal0.2092 kJ
60 cal0.25104 kJ
70 cal0.29288 kJ
80 cal0.33472 kJ
90 cal0.37656 kJ
100 cal0.4184 kJ

cal to kJ Conversion Chart

Difference Between Kilo Joule to Gram Calories

AspectKilojoule (kJ)Gram Calorie (cal)
DefinitionA unit of energy in the International System of Units (SI).A unit of energy commonly used in nutrition.
SymbolkJcal
Conversion Factor1 kJ = 239.006 cal1 cal = 0.004184 kJ
UsageCommonly used in scientific and engineering contexts.Commonly used to measure the energy content of food.
Measurement ContextMeasures larger amounts of energy.Measures smaller amounts of energy.
Common ApplicationUsed to quantify work, heat, and energy transfer.Used to indicate the energy content in food labels.
ScaleSuitable for large-scale energy measurements.Suitable for dietary and nutritional information.
OriginDerived from the joule, named after James Prescott Joule.Derived from the small calorie, often referred to simply as “calorie”.

1. Solved Examples on Converting Kilo Joule to Gram Calories

Example 1:

Convert 2 kilojoules to gram calories.

Gram Calories = 2×239.006 = 478.012 cal

Example 2:

Convert 5 kilojoules to gram calories.

Gram Calories = 5×239.006 = 1195.03 cal

Example 3:

Convert 8 kilojoules to gram calories.

Gram Calories = 8×239.006 = 1912.048 cal

Example 4:

Convert 10 kilojoules to gram calories.

Gram Calories = 10×239.006 = 2390.06 cal

Example 5:

Convert 15 kilojoules to gram calories.

Gram Calories = 15×239.006 = 3585.09 cal

2. Solved Examples on Converting Gram Calories to Kilo Joules

Example 1:

Convert 100 gram calories to kilojoules.

Kilojoules = 100/239.006 = 0.4184 kJ

Example 2:

Convert 250 gram calories to kilojoules.

Kilojoules = 250/239.006 = 1.046 kJ

Example 3:

Convert 500 gram calories to kilojoules.

Kilojoules = 500/239.006 = 2.092 kJ

Example 4:

Convert 750 gram calories to kilojoules.

Kilojoules = 750/239.006 = 3.138 kJ

Example 5:

Convert 1000 gram calories to kilojoules.

Kilojoules = 1000/239.006 = 4.184 kJ

Why do we need to convert kilojoules to gram calories?

Converting kilojoules to gram calories is useful in nutrition and dietetics, where food energy is often expressed in calories rather than kilojoules.

Can I use online calculators to convert kilojoules to gram calories?

Yes, many online calculators are available that can quickly and accurately convert kilojoules to gram calories and vice versa.

Why are kilojoules used in scientific contexts while gram calories are used in nutrition?

Kilojoules are part of the International System of Units (SI) and are commonly used in scientific and engineering contexts for measuring energy. Gram calories are used in nutrition because they provide a convenient way to express the energy content of food.

What tools can help with converting kilojoules to gram calories?

There are many tools available for converting kilojoules to gram calories, including online calculators, mobile apps, and conversion charts. These tools simplify the process and ensure accurate results.

Why is it important to understand the conversion between kilojoules and gram calories?

Understanding the conversion between kilojoules and gram calories is important for interpreting food labels, managing dietary intake, and understanding nutritional information, especially in regions where different units are used.