1,800 Calories to kJ

The working

Shown to 2 decimal places, as the app shows it. One food Calorie (kcal) is 4.184 kilojoules.

kJ, Calories and kcal

Calories are the unit most recipes and fitness apps use. A food Calorie, written Cal here and also called kcal, is 4.184 kJ, and kilojoules (kJ) are what many food labels show. 1,800 Cal is 7,531.2 kJ, so a tracker that says 1,800 Cal and a label that says 7,531.2 kJ describe the same energy.

This is a large amount of energy. It is usually a total across many foods rather than a single item.

For scale, half of this amount is 900 Cal, which is 3,765.6 kJ. Twice it is 3,600 Cal, which is 15,062.4 kJ.

Foods with about this much energy

• About the same as a whole large pizzaOne serving is 2400 Cal (10,041.6 kJ).
• About 1.5 × a Mexican feastOne serving is 1200 Cal (5,020.8 kJ).
• About 2 × a Korean BBQ mealOne serving is 900 Cal (3,765.6 kJ).

These are everyday single-serving estimates from the app's food list, not nutrition labels. Recipes and portions vary. See the whole list.

Walking guide

206 to 550 min of walking.

Adult reference guide: 45 to 120 kg at a reference walking pace. Actual times may be outside this range. The exercise page lists the other activities.

Nearby values

• 1,500 Cal is 6,276 kJ
• 1,600 Cal is 6,694.4 kJ
• 2,000 Cal is 8,368 kJ
• 2,200 Cal is 9,204.8 kJ

• Previous: 1,600 Cal
• Next: 2,000 Cal
• The other way: 7,500 kJ to Calories
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