How much baking powder for three cups of flour four eggs and two cups of sugar?

For a recipe with three cups of flour, you typically need about 1 to 1.5 teaspoons of baking powder per cup of flour. Therefore, for three cups of flour, you would use approximately 3 to 4.5 teaspoons of baking powder. The number of eggs and sugar does not significantly affect the amount of baking powder needed. Always check specific recipes for best results, as they may vary.