Our expert says:
1 cal = 4,2 kJ, thus 100 cal = 420 kJ and vice versa. Both are measures of energy with calories being the non-metric measure and kJ being the metric measure or unit. If you are an adult woman you require 1500 cal or 6300 kJ per day to stay healthy and lose some weight.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.