What is my menstrual flow?

Absorption ml Tampons Serviettes Cups
15ml or less of blood 1 regular pad 1 sanitary pad ½ cup
15 to 50ml of blood 3 regular pads 2 sanitary pads 1 cup
50 to 80ml of blood 6 regular pads 4 sanitary pads 2 cups
More than 80ml of blood 8+ regular pads 6+ sanitary pads 3+ cups