Kilocalorie Converter - Convert kcal to Joules, BTU, Calories & More
Result:
1 kcal = 4.184e+3 J
About Our Kilocalorie Converter
Our kilocalorie converter helps you convert kcal to joules, BTU, calories, and many other energy units quickly and easily. This kcal converter online tool is perfect for nutrition planning, cooking, and scientific calculations.
A kilocalorie (kcal) is a unit of energy commonly used in nutrition. When you see "calories" on food labels, they actually mean kilocalories. Our kilocalorie calculator makes it simple to convert between different energy units for your daily needs.
Whether you need a kcal to joules converter for physics homework or a kcal to BTU calculator for engineering work, this tool provides accurate results with detailed conversion formulas and examples.
How Our Energy Unit Converter Works
Enter Value
Type your kilocalorie amount
Pick Units
Choose what to convert to
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Conversion Formulas
Kilocalorie to Joule
Formula: J = kcal × 4,184
Example: 1 kcal = 1 × 4,184 = 4,184 J
Kilocalorie to BTU
Formula: BTU = kcal × 3.9683
Example: 1 kcal = 1 × 3.9683 = 3.9683 BTU
Kilocalorie to Calorie
Formula: cal = kcal × 1,000
Example: 1 kcal = 1 × 1,000 = 1,000 cal
Kilocalorie to kWh
Formula: kWh = kcal × 0.001162
Example: 1 kcal = 1 × 0.001162 = 0.001162 kWh
Kilocalorie Conversion Table
| kcal | Joules (J) | kJ | Calories | BTU | Wh |
|---|---|---|---|---|---|
| 0.1 | 418.4 | 0.42 | 100 | 0.397 | 0.116 |
| 0.5 | 2,092 | 2.09 | 500 | 1.984 | 0.581 |
| 1 | 4,184 | 4.18 | 1,000 | 3.968 | 1.162 |
| 2 | 8,368 | 8.37 | 2,000 | 7.937 | 2.324 |
| 5 | 20,920 | 20.92 | 5,000 | 19.841 | 5.810 |
| 10 | 41,840 | 41.84 | 10,000 | 39.683 | 11.620 |
| 20 | 83,680 | 83.68 | 20,000 | 79.366 | 23.240 |
| 50 | 209,200 | 209.20 | 50,000 | 198.415 | 58.100 |
| 100 | 418,400 | 418.40 | 100,000 | 396.830 | 116.200 |
| 200 | 836,800 | 836.80 | 200,000 | 793.660 | 232.400 |
| 500 | 2,092,000 | 2092.00 | 500,000 | 1984.150 | 581.000 |
| 1000 | 4,184,000 | 4184.00 | 1,000,000 | 3968.300 | 1162.000 |
| 2000 | 8,368,000 | 8368.00 | 2,000,000 | 7936.600 | 2324.000 |
| 5000 | 20,920,000 | 20920.00 | 5,000,000 | 19841.500 | 5810.000 |
| 10000 | 41,840,000 | 41840.00 | 10,000,000 | 39683.000 | 11620.000 |
Energy Units Progression Chart
1 kcal
10 kcal
100 kcal
500 kcal
1000 kcal
2000 kcal
Frequently Asked Questions
What is the difference between calories and kilocalories?
A kilocalorie (kcal) equals 1,000 calories. Food labels use "calories" but actually mean kilocalories. Our kcal to calories conversion tool shows this clearly: 1 kcal = 1,000 cal.
How do I convert kcal to joules?
Use our kcal to joules converter or multiply by 4,184. For example: 100 kcal × 4,184 = 418,400 joules. This energy conversion formula is scientifically accurate.
Why use a kilocalorie calculator?
Our kilocalorie calculator saves time and prevents errors. It's perfect for nutrition planning, cooking, homework, and any situation requiring accurate energy unit conversions.
Can I convert kcal to BTU?
Yes! Our kcal to BTU calculator makes this easy. Simply multiply kilocalories by 3.9683. For example: 500 kcal × 3.9683 = 1,984 BTU.
Is this energy unit converter accurate?
Absolutely! Our energy unit converter uses official conversion factors from scientific standards. All calculations are precise and reliable for any purpose.
Practice Problems with Solutions
Problem 1: Food Energy
A slice of pizza has 250 kcal. Convert to joules.
Solution: 250 × 4,184 = 1,046,000 J
Problem 2: Exercise Energy
Burned 500 kcal jogging. Convert to BTU.
Solution: 500 × 3.9683 = 1,984.15 BTU
Problem 3: Daily Intake
Daily diet: 1,200 kcal. Convert to kWh.
Solution: 1,200 × 0.001162 = 1.394 kWh
Problem 4: Snack Energy
Granola bar: 75 kcal. Convert to calories.
Solution: 75 × 1,000 = 75,000 cal
Problem 5: Meal Planning
Lunch: 2,000 kcal. Convert to kilojoules.
Solution: 2,000 × 4.184 = 8,368 kJ
Problem 6: Recipe Energy
Cake recipe: 300 kcal per slice. Convert to Wh.
Solution: 300 × 1.162 = 348.6 Wh
Common Kilocalorie Conversion Examples
Food & Nutrition
Apple (medium): 95 kcal = 397,480 joules
Use our nutrition energy calculator for meal planning
Banana: 105 kcal = 439,320 joules
Perfect for dietary calorie converter needs
Daily intake: 2000 kcal = 8.368 million joules
Track with our food energy converter
Exercise & Fitness
Running 1 hour: 600 kcal = 2,510,400 joules
Calculate with metabolic energy calculator
Walking 1 hour: 300 kcal = 1,255,200 joules
Easy conversion for fitness tracking
Cycling 1 hour: 500 kcal = 2,092,000 joules
Perfect for workout planning
When to Use Our Kilocalorie Converter
Reading food labels that show energy in kilocalories
Planning daily meals and tracking calorie intake
Converting exercise calories to other energy units
Science homework requiring energy unit conversions
Cooking recipes with different energy measurements
Medical calculations involving metabolic energy
Related Energy Converters
Universal Energy Converter
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Joule Converter
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BTU Converter
Convert BTU units
Calorie Converter
Convert calorie units
Calorie to Joule
Convert cal to J
Joule to kWh
Convert J to kWh
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