Question: how many grams of sugar should a child have a day uk?
Answer: This means: Adults should have no more than 30g of free sugars a day, (roughly equivalent to 7 sugar cubes). Children aged 7 to 10 should have no more than 24g of free sugars a day (6 sugar cubes). Children aged 4 to 6 should have no more than 19g of free sugars a day (5 sugar cubes).