Convert Calories to kJ

1 Calories = 4.184 kJ. Type any value below, or use the chart.

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Popular conversions

Calories to kJ chart

CaloriesKJ
50 Calories209.2 kJ
100 Calories418.4 kJ
200 Calories836.8 kJ
500 Calories2,092 kJ
1,000 Calories4,184 kJ
1,500 Calories6,276 kJ
2,000 Calories8,368 kJ
2,500 Calories10,460 kJ

Formula

kJ = Calories × 4.184. To go the other way, divide by 4.184 (1 kJ = 0.23901 Calories).

Food labels in Canada show Calories (kcal); 1 Calorie = 4.184 kJ.

Units here: Kilocalories (food Calories) → Kilojoules. The converter above also handles every other energy unit.

Frequently asked questions

How many centimetres are in an inch?

Exactly 2.54 cm. The inch has been defined that way since 1959.

How do I convert kg to lbs?

Multiply kilograms by 2.20462. For example, 23 kg × 2.20462 ≈ 50.7 lb.

What’s the formula for Celsius to Fahrenheit?

°F = °C × 9/5 + 32. So 20 °C is 68 °F and 37 °C is 98.6 °F.

Are these US or imperial gallons?

Both are available. “Gallons (US)” is 3.785 L and “Gallons (UK)” is 4.546 L.

Why does my 1 TB drive show less space?

The drive is sold in decimal terabytes, but your computer reports binary tebibytes. 1 TB = 0.909 TiB, so you see about 931 GB.

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