Milligram to Cup Conversion CalculatorBy / Milligram to Cup Converter Milligram to Cup Converter Enter Weight (Milligrams): Select Substance: Water (1 g/mL) Milk (0.85 g/mL) Oil (0.92 g/mL) Sugar (1.42 g/mL) Flour (1.25 g/mL) Salt (2.16 g/mL) Honey (1.36 g/mL) Other (Custom) Enter Density (g/mL): Convert Conversion Result