One cup = 6 measurements. Adjusts from 1 cup to 1/8 cup. Twist base and platform rises to adjust capacity. Accurate measurements as it locks into place for each measurement. Easy to read measurements on side of cup. Measurements include: 1 cup, 3/4 cup, 1/2 cup, 1/3 cup, 1/4 cup & 1/8 cup. Easily disassembles for cleaning. Dishwasher safe — top rack only.