The term 'LIKE GRAMS AND LITERS' can be summarized by the answer to the crossword clue 'METRIC' (6 letters). Metric is a system of measurement used in many countries around the world, including the United States. It is based on the metric system, which uses the units of grams and liters to measure mass and volume respectively. This system is often used in scientific and engineering applications, as well as in everyday life.