Guideline arithmetic, not advice
How much cooking fat does your family need?
The ICMR-NIN dietary guidelines give a visible-fat band per person per day. Tell us who eats at home and we do the multiplication — that is all this is.
Adults
Children (4–12)
Most adults are…
—litres a month, all visible fat combined
Source: ICMR-NIN Dietary Guidelines for Indians — visible-fat guidance of about 25–30 g per day for a sedentary adult, more with heavy physical work, about 20–25 g for children. "Visible fat" means all cooking oil, ghee and butter together. This is the guideline multiplied out for your household, not medical or dietary advice — anyone with a medical condition should follow their doctor, not a calculator.