How many Kilojoules are in one Kilocalorie?

There are 4.184 Kilojoules in one Kilocalorie. This means 1 kcal equals 4.184 kJ.

What is the formula for Kilocalories to Kilojoules?

The conversion formula is: Kilojoules = Kilocalories × 4.184. Simply multiply your value in Kilocalories by 4.184 to get the result in Kilojoules.

Convert Kilocalories to Kilojoules (kcal to kJ)

Use this tool to convert between energy units like Watt-second, Watt-minute, Watt-hour etc.

Amount

From

Result

41.84

Use this calculator to convert Kilocalories (kcal) to Kilojoules (kJ) with ease. Get accurate energy conversions instantly.

How to Convert Kilocalories to Kilojoules

Converting Kilocalories to Kilojoules is straightforward. The conversion formula is:

Kilojoules = Kilocalories × 4.184

This means that 1 Kilocalorie equals 4.184 Kilojoules. Conversely, 1 Kilojoule equals 0.23900573613767 Kilocalories.

Example Calculation

To convert 10 Kilocalories to Kilojoules:

10 kcal × 4.184 = 41.84 kJ

Common Kilocalories to Kilojoules Conversions

1 kcal = 4.184 kJ
5 kcal = 20.92 kJ
10 kcal = 41.84 kJ
50 kcal = 209.2 kJ
100 kcal = 418.4 kJ

Quick Reference

Conversion Formula: Kilojoules = Kilocalories × 4.184

Conversion Ratio: 1 kcal = 4.184 kJ

Inverse Conversion: 1 kJ = 0.23900573613767 kcal

Common Applications

Converting between Kilocalories and Kilojoules is frequently needed in:

Industrial power measurements
Electrical consumption tracking
Nutritional energy calculations
Physics and engineering

Whether you're working on a professional project or need conversions for everyday tasks, this energy converter provides accurate results instantly.

Frequently Asked Questions

How do you convert Kilocalories to Kilojoules?

To convert Kilocalories to Kilojoules, multiply the value by 4.184. The formula is: Kilojoules = Kilocalories × 4.184. For example, 10 kcal = 41.84 kJ.

How many Kilojoules are in 1 Kilocalorie?

There are 4.184 Kilojoules in 1 Kilocalorie. This is the standard conversion factor for energy measurements.

What is the formula for converting kcal to kJ?

The conversion formula is: kJ = kcal × 4.184. Simply multiply your Kilocalories value by 4.184 to get the equivalent in Kilojoules.

How do you convert Kilojoules to Kilocalories?

To convert Kilojoules back to Kilocalories, multiply by 0.23900573613767. The inverse formula is: Kilocalories = Kilojoules × 0.23900573613767.

Is Kilocalories to Kilojoules conversion accurate?

Yes, this converter uses the standard international conversion factor of 4.184, ensuring accurate and reliable results for all energy conversions.

When should I use Kilocalories vs Kilojoules?

Kilocalories and Kilojoules are different units of energy. Use Kilocalories for various applications and Kilojoules for various applications.

Quick Reference - kcal to kJ

Quick reference table showing common Kilocalories to Kilojoules conversions. Use this chart for fast lookups of frequently used values.

kcal	kJ
0.1 kcal	0.4184 kJ
0.2 kcal	0.8368 kJ
0.3 kcal	1.2552 kJ
0.4 kcal	1.6736 kJ
0.5 kcal	2.092 kJ
0.6 kcal	2.5104 kJ
0.7 kcal	2.9288 kJ
0.8 kcal	3.3472 kJ
0.9 kcal	3.7656 kJ

kcal	kJ
1 kcal	4.184 kJ
2 kcal	8.368 kJ
3 kcal	12.552 kJ
4 kcal	16.736 kJ
5 kcal	20.92 kJ
6 kcal	25.104 kJ
7 kcal	29.288 kJ
8 kcal	33.472 kJ
9 kcal	37.656 kJ

kcal	kJ
10 kcal	41.84 kJ
20 kcal	83.68 kJ
30 kcal	125.52 kJ
40 kcal	167.36 kJ
50 kcal	209.2 kJ
60 kcal	251.04 kJ
70 kcal	292.88 kJ
80 kcal	334.72 kJ
90 kcal	376.56 kJ

kcal	kJ
100 kcal	418.4 kJ
200 kcal	836.8 kJ
300 kcal	1255.2 kJ
400 kcal	1673.6 kJ
500 kcal	2092 kJ
600 kcal	2510.4 kJ
700 kcal	2928.8 kJ
800 kcal	3347.2 kJ
900 kcal	3765.6 kJ

kcal	kJ
1000 kcal	4184 kJ
2000 kcal	8368 kJ
3000 kcal	12552 kJ
4000 kcal	16736 kJ
5000 kcal	20920 kJ
6000 kcal	25104 kJ
7000 kcal	29288 kJ
8000 kcal	33472 kJ
9000 kcal	37656 kJ

kcal	kJ
10000 kcal	41840 kJ
20000 kcal	83680 kJ
30000 kcal	125520 kJ
40000 kcal	167360 kJ
50000 kcal	209200 kJ
60000 kcal	251040 kJ
70000 kcal	292880 kJ
80000 kcal	334720 kJ
90000 kcal	376560 kJ

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