How many kJ is 1,000 kcal?
1,000 kcal = 4,184 kJ
It is 4,184 kJ, so saying 4,184 kJ is fine — rounding is within 0.5%.
And how many kcal is 1,000 kJ?
1,000 kJ = 239.01 kcal
Formula: kJ = kcal × 4.184
kcal to kJ around this value
100 kcal418.4kJ
200 kcal836.8kJ
300 kcal1,255.2kJ
400 kcal1,673.6kJ
500 kcal2,092kJ
600 kcal2,510.4kJ
700 kcal2,928.8kJ
800 kcal3,347.2kJ
900 kcal3,765.6kJ
1,000 kcal4,184kJ
1,100 kcal4,602.4kJ
1,200 kcal5,020.8kJ
1,300 kcal5,439.2kJ
1,400 kcal5,857.6kJ
1,500 kcal6,276kJ
1,600 kcal6,694.4kJ
1,700 kcal7,112.8kJ
1,800 kcal7,531.2kJ
1,900 kcal7,949.6kJ
2,000 kcal8,368kJ