NiftyRecipe Online energy conversion
BTU/cal 252.164401 MJ/cal 239005.736138 MJ/kJ 1000 BTU/kJ 1.055056 kWh/BTU 3412.141633 cal/MJ 0.000004
cal / J

1800 calories in joule

7531.2 joule

1 cal = 4.184 J · factor

1800 calories equals 7531.2 joule. Factor: 1 calorie = 4.184 joule.

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Common values

joule to calorie 1 calorie in joule 2 calories in joule 3 calories in joule 4 calories in joule 5 calories in joule 6 calories in joule 8 calories in joule 10 calories in joule 12 calories in joule 15 calories in joule

Same amount, other units

1800 calories → kcal 1800 calories → BTU 1800 calories → kJ 1800 calories → kWh 1800 calories → MJ

Related converters

cal → kcal cal → BTU cal → kJ cal → kWh cal → MJ
Formula: calorie to joule

J = cal × 4.184 (1 CAL = 4.184 J)

Reference values: calorie → joule
cal J
1 cal 4.184 J
100 cal 418.4 J
200 cal 836.8 J
500 cal 2092 J
1000 cal 4184 J
2000 cal 8368 J

All amounts for this pair

FAQ for cal → J
1800 calories in joule

NiftyRecipe converts 1800 calories to 7531.2 joule with a fixed SI-linked factor.

Kilojoules and megajoules describe energy on a scientific scale. The ratio applied here is 1 calorie = 4.184 joule, so this amount is 7531.2 joule. Reverse check: 1 joule ≈ 0.239006 calorie. That helps when a lab notebook or spreadsheet only lists one column.

Change the value in the calculator for homework, datasheets or rough process estimates. The wording stays technical on purpose so these pages read differently from food-label articles on the same site.